{"id":5252,"date":"2026-02-11T14:31:02","date_gmt":"2026-02-11T14:31:02","guid":{"rendered":"https:\/\/securitybriefing.net\/?p=5252"},"modified":"2026-02-24T13:41:11","modified_gmt":"2026-02-24T13:41:11","slug":"%e6%9a%97%e5%8f%b7%e5%8c%96%e3%81%95%e3%82%8c%e3%81%9f%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e9%80%81%e4%bf%a1%e3%81%99%e3%82%8b%e3%81%9f%e3%82%81%e3%81%ab%e4%bd%bf%e7%94%a8%e3%81%95%e3%82%8c%e3%82%8b","status":"publish","type":"post","link":"https:\/\/securitybriefing.net\/ja\/%e3%82%b5%e3%82%a4%e3%83%90%e3%83%bc%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3\/%e6%9a%97%e5%8f%b7%e5%8c%96%e3%81%95%e3%82%8c%e3%81%9f%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e9%80%81%e4%bf%a1%e3%81%99%e3%82%8b%e3%81%9f%e3%82%81%e3%81%ab%e4%bd%bf%e7%94%a8%e3%81%95%e3%82%8c%e3%82%8b\/","title":{"rendered":"\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3069\u308c\u3067\u3059\u304b\uff1f\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u306f\u3001\u73fe\u4ee3\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u304a\u3051\u308b\u57fa\u672c\u7684\u306a\u8981\u4ef6\u3067\u3059\u3002\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u3001\u30af\u30e9\u30a6\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30e1\u30fc\u30eb\u901a\u4fe1\u3001API\u30ea\u30af\u30a8\u30b9\u30c8\u3001\u91d1\u878d\u53d6\u5f15\u3092\u542b\u3080\u3059\u3079\u3066\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306f\u3001\u508d\u53d7\u3084\u6539\u3056\u3093\u3092\u9632\u3050\u305f\u3081\u306b\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>AI CRM <a href=\"https:\/\/securitybriefing.net\/ja\/%e3%82%b5%e3%82%a4%e3%83%90%e3%83%bc%e8%84%85%e5%a8%81\/\">\u30b5\u30a4\u30d0\u30fc\u8105\u5a01<\/a> \u9032\u5316\u3057\u7d9a\u3051\u308b\u4e2d\u3067\u3001\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u4e2d\u306b\u4fdd\u8b77\u3059\u308b\u3053\u3068\u306f\u3082\u306f\u3084\u9078\u629e\u80a2\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7d44\u7e54\u3084\u500b\u4eba\u306f\u3001\u6a5f\u5bc6\u6027\u3001\u5b8c\u5168\u6027\u3001\u8a8d\u8a3c\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5b9f\u8a3c\u6e08\u307f\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u4f9d\u5b58\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u5b89\u5168\u306b\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u8981\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08TLS\uff09\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u306a\u305cTLS\u304c\u652f\u914d\u7684\u3067\u3042\u308b\u306e\u304b\u3001\u95a2\u9023\u6280\u8853\u3068\u3069\u306e\u3088\u3046\u306b\u9023\u643a\u3057\u3066\u6a5f\u80fd\u3059\u308b\u306e\u304b\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u3068\u305d\u308c\u3092\u4fdd\u8b77\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3064\u3044\u3066\u3088\u308a\u6df1\u304f\u6398\u308a\u4e0b\u3052\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"quick-fix-summary-table\"><strong>\u30af\u30a4\u30c3\u30af\u30d5\u30a3\u30c3\u30af\u30b9\u8981\u7d04\u8868<\/strong><\/h2>\n\n\n<p>\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5373\u5ea7\u306b\u6539\u5584\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u304b\u3089\u59cb\u3081\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TLS 1.3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\uff1a<\/strong> \u53e4\u3044\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u5b58\u5728\u3059\u308b\u8106\u5f31\u6027\u3092\u6392\u9664\u3059\u308b\u305f\u3081\u306b\u6700\u65b0\u306eTLS\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>HTTPS Everywhere\u3092\u5b9f\u88c5\uff1a<\/strong> \u3059\u3079\u3066\u306e\u30a6\u30a7\u30d6\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092HTTPS\u3067\u6697\u53f7\u5316\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5f37\u529b\u306a\u6697\u53f7\u30b9\u30a4\u30fc\u30c8\u3092\u4f7f\u7528\uff1a<\/strong> \u73fe\u4ee3\u306e\u6697\u53f7\u5316\u5f37\u5ea6\u306e\u305f\u3081\u306bAES-256-GCM\u307e\u305f\u306fChaCha20-Poly1305\u3092\u512a\u5148\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u8a3c\u660e\u66f8\u7ba1\u7406\u3092\u81ea\u52d5\u5316\uff1a<\/strong> Let\u2019s Encrypt\u306e\u3088\u3046\u306a\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u7528\u3057\u3066\u6709\u52b9\u306aTLS\u8a3c\u660e\u66f8\u3092\u7dad\u6301\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5b8c\u5168\u524d\u65b9\u79d8\u533f\u6027\uff08PFS\uff09\u3092\u6709\u52b9\u5316\uff1a<\/strong> \u9577\u671f\u30ad\u30fc\u304c\u5f8c\u306b\u4fb5\u5bb3\u3055\u308c\u3066\u3082\u30bb\u30c3\u30b7\u30e7\u30f3\u30ad\u30fc\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5ec3\u6b62\u3055\u308c\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u7121\u52b9\u5316\uff1a<\/strong> SSL\u3001TLS 1.0\u3001\u304a\u3088\u3073TLS 1.1\u3092\u69cb\u6210\u304b\u3089\u524a\u9664\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5bfe\u7b56\u306f\u3001\u30de\u30f3\u30a4\u30f3\u30b6\u30df\u30c9\u30eb\uff08MITM\uff09\u653b\u6483\u3001\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u653b\u6483\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u653b\u6483\u30d9\u30af\u30c8\u30eb\u3078\u306e\u9732\u51fa\u3092\u5927\u5e45\u306b\u6e1b\u5c11\u3055\u305b\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"what-is-encrypted-data\"><strong>\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u3068\u306f\u4f55\u304b\uff1f<\/strong><\/h2>\n\n\n<p>\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u3068\u306f\u3001\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u5909\u63db\u3055\u308c\u305f\u60c5\u5831\u306e\u3053\u3068\u3067\u3001\u7121\u8a31\u53ef\u306e\u30a2\u30af\u30bb\u30b9\u3092\u9632\u304e\u307e\u3059\u3002\u6697\u53f7\u5316\u306f\u3001\u6570\u5b66\u7684\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u6697\u53f7\u9375\u3092\u4f7f\u7528\u3057\u3066\u8aad\u307f\u53d6\u308a\u53ef\u80fd\u306a\u5e73\u6587\u3092\u6697\u53f7\u6587\u306b\u5909\u63db\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u5fa9\u53f7\u9375\u3092\u6301\u3064\u8a31\u53ef\u3055\u308c\u305f\u5f53\u4e8b\u8005\u306e\u307f\u304c\u5143\u306e\u60c5\u5831\u3092\u5fa9\u5143\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u6697\u53f7\u5316\u306f3\u3064\u306e\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u539f\u5247\u3092\u78ba\u4fdd\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6a5f\u5bc6\u6027\uff1a<\/strong> \u6a5f\u5bc6\u30c7\u30fc\u30bf\u3078\u306e\u7121\u8a31\u53ef\u306e\u30a2\u30af\u30bb\u30b9\u3092\u9632\u304e\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5b8c\u5168\u6027\uff1a<\/strong> \u9001\u4fe1\u4e2d\u306b\u30c7\u30fc\u30bf\u304c\u5909\u66f4\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u8a8d\u8a3c:<\/strong> \u901a\u4fe1\u5f53\u4e8b\u8005\u306e\u8eab\u5143\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u306f\u4ee5\u4e0b\u306e\u4fdd\u8b77\u306b\u4e0d\u53ef\u6b20\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831<\/li>\n\n\n\n<li>\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u756a\u53f7<\/li>\n\n\n\n<li>\u500b\u4eba\u8b58\u5225\u30c7\u30fc\u30bf<\/li>\n\n\n\n<li>\u4f01\u696d\u901a\u4fe1<\/li>\n\n\n\n<li>API\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30af\u30e9\u30a6\u30c9\u30ef\u30fc\u30af\u30ed\u30fc\u30c9<\/li>\n<\/ul>\n\n\n\n<p>\u30c7\u30fc\u30bf\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306a\u3069\u306e\u516c\u5171\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u904e\u3059\u308b\u969b\u306b\u306f\u3001\u5fc5\u7136\u7684\u306b\u9732\u51fa\u3057\u307e\u3059\u3002\u6697\u53f7\u5316\u304c\u306a\u3051\u308c\u3070\u3001\u653b\u6483\u8005\u306f\u30d1\u30b1\u30c3\u30c8\u30b9\u30cb\u30c3\u30d5\u30a3\u30f3\u30b0\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u508d\u53d7\u3057\u3001\u8cb4\u91cd\u306a\u60c5\u5831\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u508d\u53d7\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u8aad\u307f\u53d6\u308c\u305a\u3001\u4f7f\u7528\u3067\u304d\u306a\u3044\u72b6\u614b\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"internet-protocols-and-secure-data-transmission\"><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u9001\u4fe1<\/strong><\/h2>\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u3067\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u30c7\u30fc\u30bf\u304c\u3069\u306e\u3088\u3046\u306b\u9001\u4fe1\u3055\u308c\u308b\u304b\u3092\u898f\u5b9a\u3059\u308b\u30eb\u30fc\u30eb\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002HTTP\u3084FTP\u306e\u3088\u3046\u306a\u57fa\u672c\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u6a5f\u80fd\u6027\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u304c\u3001\u5b89\u5168\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u8ee2\u9001\u4e2d\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u6697\u53f7\u5316\u3092\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3059\u308b\u969b\u3001\u3044\u304f\u3064\u304b\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u767b\u5834\u3057\u307e\u3059\uff1a<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"1-transport-layer-security-tls\"><strong>1. \u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08TLS\uff09<\/strong><\/h3>\n\n\n<p>\u30a6\u30a7\u30d6\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3001API\u3001\u591a\u304f\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u8981\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002TLS\u306f\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u3067\u52d5\u4f5c\u3057\u3001\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u6697\u53f7\u5316\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"2-internet-protocol-security-ipsec\"><strong>2. \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08IPsec\uff09<\/strong><\/h3>\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3067IP\u30d1\u30b1\u30c3\u30c8\u3092\u6697\u53f7\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002VPN\u3084\u30b5\u30a4\u30c8\u9593\u30c8\u30f3\u30cd\u30eb\u3067\u4e00\u822c\u7684\u306b\u5b9f\u88c5\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"3-secure-shell-ssh\"><strong>3. \u30bb\u30ad\u30e5\u30a2\u30b7\u30a7\u30eb\uff08SSH\uff09<\/strong><\/h3>\n\n\n<p>\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u30ea\u30e2\u30fc\u30c8\u7ba1\u7406\u30a2\u30af\u30bb\u30b9\u3068\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u901a\u4fe1\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001TCP\/IP\u30e2\u30c7\u30eb\u5185\u3067\u7570\u306a\u308b\u76ee\u7684\u3092\u679c\u305f\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d7\u30ed\u30c8\u30b3\u30eb<\/th><th>\u5c64<\/th><th>\u4e3b\u306a\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>TLS<\/td><td>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/td><td>\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u3001\u30e1\u30fc\u30eb\u3001API<\/td><\/tr><tr><td>IPsec<\/td><td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64<\/td><td>VPN\u3068\u5b89\u5168\u306a\u30c8\u30f3\u30cd\u30eb<\/td><\/tr><tr><td>SSH<\/td><td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/td><td>\u5b89\u5168\u306a\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u4e2d\u3067\u3001TLS\u306f\u7279\u306bHTTPS\u63a5\u7d9a\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3001\u516c\u5171\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"tls-security-the-core-protocol-for-encrypted-data-transmission\"><strong>TLS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff1a\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u4e2d\u6838\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong><\/h2>\n\n\n<p><strong>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08TLS\uff09<\/strong> \u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u8981\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002TCP\/IP\u30e2\u30c7\u30eb\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u3067\u52d5\u4f5c\u3057\u3001\u901a\u5e38\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u306a\u3069\uff09\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u5b89\u5168\u306a\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>TLS\u306f\u30013\u3064\u306e\u57fa\u672c\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u8a3c\u3092\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6a5f\u5bc6\u6027<\/strong> \u2013 \u7121\u8a31\u53ef\u306e\u5f53\u4e8b\u8005\u304c\u9001\u4fe1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u8aad\u3080\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5b8c\u5168\u6027<\/strong> \u2013 \u9001\u4fe1\u4e2d\u306b\u30c7\u30fc\u30bf\u304c\u5909\u66f4\u3055\u308c\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u8a8d\u8a3c<\/strong> \u2013 \u901a\u4fe1\u5f53\u4e8b\u8005\u306e\u8eab\u5143\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p>TLS\u306f\u4ee5\u4e0b\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a6\u30a7\u30d6\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\uff08HTTPS\uff09<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\uff08SMTP\u3001IMAP\u3001POP3 over TLS\uff09<\/li>\n\n\n\n<li>API\u3068\u30a6\u30a7\u30d6\u30b5\u30fc\u30d3\u30b9<\/li>\n\n\n\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/li>\n\n\n\n<li>\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/li>\n<\/ul>\n\n\n<h3 class=\"wp-block-heading\" id=\"how-tls-encryption-works\"><strong>TLS\u6697\u53f7\u5316\u306e\u4ed5\u7d44\u307f<\/strong><\/h3>\n\n\n<p>TLS\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4e21\u65b9\u3092\u8003\u616e\u3057\u305f\u975e\u5bfe\u79f0\u6697\u53f7\u5316\u3068\u5bfe\u79f0\u6697\u53f7\u5316\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u6697\u53f7\u5316\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>TLS\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\uff08\u975e\u5bfe\u79f0\u6697\u53f7\u5316\uff09\uff1a<\/strong><br>\u521d\u671f\u63a5\u7d9a\u6642\u306b\u3001\u975e\u5bfe\u79f0\u6697\u53f7\u5316\uff08RSA\u3084ECC\u306a\u3069\uff09\u304c\u30b5\u30fc\u30d0\u30fc\u3092\u8a8d\u8a3c\u3057\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u30ad\u30fc\u3092\u5b89\u5168\u306b\u4ea4\u63db\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30bb\u30c3\u30b7\u30e7\u30f3\u6697\u53f7\u5316\uff08\u5bfe\u79f0\u6697\u53f7\u5316\uff09\uff1a<\/strong><br>\u5b89\u5168\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u78ba\u7acb\u3055\u308c\u308b\u3068\u3001\u5bfe\u79f0\u6697\u53f7\u5316\uff08AES-256-GCM\u3084ChaCha20-Poly1305\u306a\u3069\uff09\u304c\u8fc5\u901f\u304b\u3064\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u4e8c\u91cd\u5c64\u30e2\u30c7\u30eb\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u5f37\u529b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"authentication-through-digital-certificates\"><strong>\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u306b\u3088\u308b\u8a8d\u8a3c<\/strong><\/h3>\n\n\n<p>TLS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u91cd\u8981\u306a\u8981\u7d20\u306f\u3001\u8a3c\u660e\u66f8\u30d9\u30fc\u30b9\u306e\u8a8d\u8a3c\u3067\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u4fe1\u983c\u3055\u308c\u305f\u8a3c\u660e\u66f8\u6a5f\u95a2\uff08CA\uff09\u306b\u3088\u3063\u3066\u767a\u884c\u3055\u308c\u305f\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3092\u63d0\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u8a3c\u660e\u66f8\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30fc\u30d0\u30fc\u306e\u8eab\u5143\u3092\u78ba\u8a8d\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30b5\u30fc\u30d0\u30fc\u306e\u516c\u958b\u9375\u3092\u542b\u307f\u307e\u3059<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u4ea4\u63db\u304c\u59cb\u307e\u308b\u524d\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u3088\u3063\u3066\u691c\u8a3c\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<p>\u8a3c\u660e\u66f8\u304c\u6709\u52b9\u3067\u4fe1\u983c\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u63a5\u7d9a\u304c\u9032\u884c\u3057\u307e\u3059\u3002\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30e6\u30fc\u30b6\u30fc\u306b\u8b66\u544a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u3084\u30de\u30f3\u30a4\u30f3\u30b6\u30df\u30c9\u30eb\uff08MITM\uff09\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"ssl-certificates-now-tls-certificates\"><strong>SSL\u8a3c\u660e\u66f8\uff08\u73fe\u5728\u306fTLS\u8a3c\u660e\u66f8\uff09<\/strong><\/h2>\n\n\n<p>\u300cSSL\u8a3c\u660e\u66f8\u300d\u3068\u3044\u3046\u7528\u8a9e\u306f\u4f9d\u7136\u3068\u3057\u3066\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u73fe\u4ee3\u306e\u5b89\u5168\u306a\u63a5\u7d9a\u306fTLS\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u2014SSL\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30bb\u30ad\u30e5\u30a2\u30bd\u30b1\u30c3\u30c8\u30ec\u30a4\u30e4\u30fc\uff08SSL\uff09\u306f\u3001\u6df1\u523b\u306a\u8106\u5f31\u6027\uff08\u7279\u306bSSL 2.0\u3068SSL 3.0\uff09\u306b\u3088\u308a\u5ec3\u6b62\u3055\u308c\u307e\u3057\u305f\u3002.<\/p>\n\n\n\n<p>\u4eca\u65e5\u3001\u300cSSL\u8a3c\u660e\u66f8\u300d\u3068\u8a00\u308f\u308c\u308b\u3068\u304d\u3001\u305d\u308c\u306f\u5b9f\u969b\u306b\u306fTLS\u8a3c\u660e\u66f8\u3092\u6307\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"what-an-ssltls-certificate-contains\"><strong>SSL\/TLS\u8a3c\u660e\u66f8\u306b\u542b\u307e\u308c\u308b\u3082\u306e<\/strong><\/h3>\n\n\n<p>TLS\u8a3c\u660e\u66f8\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c9\u30e1\u30a4\u30f3\u540d<\/li>\n\n\n\n<li>\u7d44\u7e54\u306e\u8eab\u5143\uff08OV\/EV\u8a3c\u660e\u66f8\u306e\u5834\u5408\uff09<\/li>\n\n\n\n<li>\u516c\u958b\u6697\u53f7\u9375<\/li>\n\n\n\n<li>\u767a\u884c\u8a3c\u660e\u66f8\u6a5f\u95a2<\/li>\n\n\n\n<li>\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9593<\/li>\n<\/ul>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u304cHTTPS\u7d4c\u7531\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u8a2a\u554f\u3059\u308b\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u306fTLS\u8a3c\u660e\u66f8\u3092\u63d0\u793a\u3057\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306f\u6b21\u3092\u78ba\u8a8d\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8a3c\u660e\u66f8\u304c\u6709\u52b9\u3067\u3042\u308b\u3053\u3068<\/li>\n\n\n\n<li>\u671f\u9650\u304c\u5207\u308c\u3066\u3044\u306a\u3044\u3053\u3068<\/li>\n\n\n\n<li>\u4fe1\u983c\u3055\u308c\u305fCA\u306b\u3088\u3063\u3066\u7f72\u540d\u3055\u308c\u3066\u3044\u308b\u3053\u3068<\/li>\n\n\n\n<li>\u30c9\u30e1\u30a4\u30f3\u304c\u8a3c\u660e\u66f8\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068<\/li>\n<\/ul>\n\n\n\n<p>\u3059\u3079\u3066\u306e\u30c1\u30a7\u30c3\u30af\u304c\u901a\u904e\u3059\u308b\u3068\u3001\u5b89\u5168\u306aTLS\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u59cb\u307e\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"why-certificates-matter-for-encrypted-data\"><strong>\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u306b\u304a\u3051\u308b\u8a3c\u660e\u66f8\u306e\u91cd\u8981\u6027<\/strong><\/h3>\n\n\n<p>\u8a3c\u660e\u66f8\u306f\u4fe1\u983c\u3092\u78ba\u7acb\u3057\u3001\u6697\u53f7\u5316\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u305d\u308c\u304c\u306a\u3051\u308c\u3070\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6697\u53f7\u5316\u901a\u4fe1\u306f\u8a8d\u8a3c\u3055\u308c\u307e\u305b\u3093<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fc\u306f\u6b63\u5f53\u306a\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u305b\u3093<\/li>\n\n\n\n<li>MITM\u653b\u6483\u304c\u5927\u5e45\u306b\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<p>\u8a3c\u660e\u66f8\u306e\u7ba1\u7406\u3001\u66f4\u65b0\u306e\u81ea\u52d5\u5316\u3001\u5931\u52b9\u306e\u76e3\u8996\u306f\u3001\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"https-how-encrypted-web-traffic-works\"><strong>HTTPS\uff1a\u6697\u53f7\u5316\u3055\u308c\u305f\u30a6\u30a7\u30d6\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u4ed5\u7d44\u307f<\/strong><\/h2>\n\n\n<p>HTTPS\uff08\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb\u30bb\u30ad\u30e5\u30a2\uff09\u306f\u3001HTTP\u306e\u5b89\u5168\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002HTTP\u3068TLS\u6697\u53f7\u5316\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30a6\u30a7\u30d6\u901a\u4fe1\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u304c <code>https:\/\/<\/code>, \u3067\u59cb\u307e\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u8a2a\u554f\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>TLS\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u958b\u59cb\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30b5\u30fc\u30d0\u30fc\u306e\u8a3c\u660e\u66f8\u3092\u691c\u8a3c\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u6697\u53f7\u5316\u3055\u308c\u305f\u30bb\u30c3\u30b7\u30e7\u30f3\u30ad\u30fc\u3092\u78ba\u7acb\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u3059\u3079\u3066\u306e\u5f8c\u7d9a\u306e\u30c7\u30fc\u30bf\u4ea4\u63db\u3092\u6697\u53f7\u5316\u3057\u307e\u3059<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u6b21\u3092\u4fdd\u8a3c\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u304c\u6a5f\u5bc6\u306b\u4fdd\u305f\u308c\u308b<\/li>\n\n\n\n<li>\u652f\u6255\u3044\u60c5\u5831\u304c\u508d\u53d7\u3055\u308c\u306a\u3044<\/li>\n\n\n\n<li>\u500b\u4eba\u60c5\u5831\u304c\u4fdd\u8b77\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u5b8c\u5168\u6027\u304c\u7dad\u6301\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n<h3 class=\"wp-block-heading\" id=\"why-https-is-the-standard-today\"><strong>\u306a\u305cHTTPS\u304c\u4eca\u65e5\u306e\u6a19\u6e96\u306a\u306e\u304b<\/strong><\/h3>\n\n\n<p>2023\u5e74\u307e\u3067\u306b\u3001\u4e16\u754c\u306e\u30a6\u30a7\u30d6\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e95%\u4ee5\u4e0a\u304cHTTPS\u3092\u4f7f\u7528\u3057\u3066\u6697\u53f7\u5316\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u5e83\u7bc4\u306a\u63a1\u7528\u306f\u6b21\u306b\u3088\u3063\u3066\u63a8\u9032\u3055\u308c\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u975eHTTPS\u30b5\u30a4\u30c8\u3092\u300c\u5b89\u5168\u3067\u306a\u3044\u300d\u3068\u30de\u30fc\u30af\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u201c<\/li>\n\n\n\n<li>HTTPS\u30b5\u30a4\u30c8\u306e\u305f\u3081\u306e\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u512a\u5148\u9806\u4f4d<\/li>\n\n\n\n<li>\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u610f\u8b58\u306e\u5411\u4e0a<\/li>\n\n\n\n<li>\u898f\u5236\u9075\u5b88\u8981\u4ef6\uff08GDPR\u3001PCI-DSS\u3001HIPAA\u306a\u3069\uff09<\/li>\n<\/ul>\n\n\n\n<p>HTTPS\u306f\u4eca\u3084\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u901a\u4fe1\u306e\u57fa\u6e96\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"comparison-of-https-vs-http\"><strong>HTTPS\u3068HTTP\u306e\u6bd4\u8f03<\/strong><\/h3>\n\n\n<p>\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u8b70\u8ad6\u3059\u308b\u969b\u3001HTTPS\u3068HTTP\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u3067\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"https-vs-http\"><strong>HTTPS \u5bfe HTTP<\/strong><\/h4>\n\n\n<p>HTTPS\uff08\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb\u30bb\u30ad\u30e5\u30a2\uff09\u306fHTTP\uff08\u30cf\u30a4\u30d1\u30fc\u30c6\u30ad\u30b9\u30c8\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u306e\u62e1\u5f35\u3067\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306e\u5b89\u5168\u306a\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002HTTPS\u3068HTTP\u306e\u4e3b\u306a\u9055\u3044\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6697\u53f7\u5316<\/strong>: HTTPS\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3066\u4fdd\u8b77\u3057\u307e\u3059\u304c\u3001HTTP\u306f\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u305b\u305a\u3001\u508d\u53d7\u306b\u5bfe\u3057\u3066\u8106\u5f31\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30c7\u30fc\u30bf\u306e\u5b8c\u5168\u6027<\/strong>: HTTPS\u306f\u9001\u4fe1\u4e2d\u306b\u30c7\u30fc\u30bf\u304c\u5909\u66f4\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u306e\u5b8c\u5168\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u304c\u3001HTTP\u306f\u305d\u306e\u3088\u3046\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u305b\u3093\u3002.<\/li>\n\n\n\n<li><strong>\u8a8d\u8a3c<\/strong>: HTTPS\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8eab\u5143\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u8a8d\u8a3c\u3092\u63d0\u4f9b\u3057\u3001\u30de\u30f3\u30a4\u30f3\u30b6\u30df\u30c9\u30eb\u653b\u6483\u306e\u30ea\u30b9\u30af\u3092\u6e1b\u5c11\u3055\u305b\u307e\u3059\u3002HTTP\u306f\u3053\u306e\u6a5f\u80fd\u3092\u6b20\u3044\u3066\u304a\u308a\u3001\u653b\u6483\u8005\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u507d\u88c5\u3059\u308b\u306e\u304c\u5bb9\u6613\u3067\u3059\u3002.<\/li>\n<\/ul>\n\n\n<h3 class=\"wp-block-heading\" id=\"importance-of-https\"><strong>HTTPS\u306e\u91cd\u8981\u6027<\/strong><\/h3>\n\n\n<p>HTTPS\u306e\u4f7f\u7528\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u9001\u4fe1\u3055\u308c\u308b\u6a5f\u5bc6\u60c5\u5831\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30c7\u30fc\u30bf\u304c\u6a5f\u5bc6\u3067\u5b89\u5168\u306b\u4fdd\u305f\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5b89\u5168\u306a\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u4f53\u9a13\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u591a\u304f\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306bHTTP\u304b\u3089HTTPS\u306b\u79fb\u884c\u3057\u307e\u3057\u305f\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"tls-vs-ssl-whats-the-difference\"><strong>TLS\u3068SSL\uff1a\u9055\u3044\u306f\u4f55\u304b\uff1f<\/strong><\/h2>\n\n\n<p>SSL\u3068TLS\u306f\u3057\u3070\u3057\u3070\u4e00\u7dd2\u306b\u8a00\u53ca\u3055\u308c\u307e\u3059\u304c\u3001\u540c\u7b49\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p>SSL\uff08\u30bb\u30ad\u30e5\u30a2\u30bd\u30b1\u30c3\u30c8\u30ec\u30a4\u30e4\u30fc\uff09\u306f1990\u5e74\u4ee3\u306b\u958b\u767a\u3055\u308c\u305f\u5143\u306e\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u8907\u6570\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u6b20\u9665\u306b\u3088\u308a\u3001\u6b63\u5f0f\u306b\u5ec3\u6b62\u3055\u308c\u3001TLS\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u307e\u3057\u305f\u3002.<\/p>\n\n\n\n<p>\u3053\u3053\u306b\u660e\u78ba\u306a\u6bd4\u8f03\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u5fb4<\/th><th>SSL<\/th><th>TLS<\/th><\/tr><\/thead><tbody><tr><td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/td><td>\u653b\u6483\u306b\u5bfe\u3057\u3066\u8106\u5f31<\/td><td>\u3088\u308a\u5f37\u529b\u306a\u6697\u53f7\u8a2d\u8a08<\/td><\/tr><tr><td>\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3<\/td><td>SSL 3.0\uff08\u5ec3\u6b62\uff09<\/td><td>TLS 1.3\uff08\u73fe\u5728\u306e\u6a19\u6e96\uff09<\/td><\/tr><tr><td>\u6697\u53f7\u30b9\u30a4\u30fc\u30c8<\/td><td>\u9650\u5b9a\u7684\u3067\u6642\u4ee3\u9045\u308c<\/td><td>\u73fe\u4ee3\u306e\u5b89\u5168\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/td><\/tr><tr><td>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u30d7\u30ed\u30bb\u30b9<\/td><td>\u9045\u304f\u3066\u5b89\u5168\u6027\u304c\u4f4e\u3044<\/td><td>\u30b9\u30c8\u30ea\u30fc\u30e0\u30e9\u30a4\u30f3\u5316\u3055\u308c\u3066\u9ad8\u901f<\/td><\/tr><tr><td>\u696d\u754c\u3067\u306e\u4f7f\u7528<\/td><td>\u5ec3\u6b62<\/td><td>\u5e83\u304f\u63a1\u7528<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"why-tls-13-is-the-current-standard\"><strong>\u306a\u305cTLS 1.3\u304c\u73fe\u5728\u306e\u6a19\u6e96\u306a\u306e\u304b<\/strong><\/h3>\n\n\n<p>TLS 1.3\u306f\u4e3b\u8981\u306a\u6539\u5584\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b89\u5168\u3067\u306a\u3044\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u524a\u9664<\/li>\n\n\n\n<li>\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u306e\u5f85\u3061\u6642\u9593\u3092\u77ed\u7e2e<\/li>\n\n\n\n<li>\u524d\u65b9\u79d8\u533f\u6027\u3092\u5f37\u5236<\/li>\n\n\n\n<li>\u6697\u53f7\u30b9\u30a4\u30fc\u30c8\u306e\u4ea4\u6e09\u3092\u7c21\u7d20\u5316<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5f37\u5316\u306b\u3088\u308a\u3001TLS 1.3\u306f\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3088\u308a\u3082\u9ad8\u901f\u3067\u5b89\u5168\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u8a8d\u8a3c\u6027\u3092\u78ba\u4fdd\u3057\u3001\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u304b\u3089\u6a5f\u5bc6\u60c5\u5831\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u30c7\u30b8\u30bf\u30eb\u74b0\u5883\u304c\u9032\u5316\u3057\u7d9a\u3051\u308b\u4e2d\u3067\u3001\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u91cd\u8981\u6027\u306f\u307e\u3059\u307e\u3059\u9ad8\u307e\u308a\u3001\u7d44\u7e54\u3084\u500b\u4eba\u304c\u60c5\u5831\u3092\u5f97\u3066\u30c7\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"why-tls-and-https-are-essential-for-secure-data-transmission\"><strong>\u306a\u305cTLS\u3068HTTPS\u304c\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u306b\u4e0d\u53ef\u6b20\u306a\u306e\u304b<\/strong><\/h2>\n\n\n<p>\u8cea\u554f\u306b\u7b54\u3048\u308b\u969b\u3001, <em>\u201c\u300c\u3069\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u304b\uff1f\u300d\u201d<\/em>, \u3001\u660e\u78ba\u3067\u6a29\u5a01\u3042\u308b\u7b54\u3048\u306f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08TLS\uff09<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>TLS\u306f\u3001HTTPS\u3092\u901a\u3058\u3066\u6700\u3082\u4e00\u822c\u7684\u306b\u5b9f\u88c5\u3055\u308c\u3001\u4eca\u65e5\u306e\u307b\u307c\u3059\u3079\u3066\u306e\u6697\u53f7\u5316\u3055\u308c\u305f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u5f37\u529b\u306a\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3001\u8a3c\u660e\u66f8\u30d9\u30fc\u30b9\u306e\u8a8d\u8a3c\u3001\u524d\u65b9\u79d8\u533f\u6027\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001TLS\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u304c\u6a5f\u5bc6\u6027\u3092\u4fdd\u3061\u3001\u5b8c\u5168\u3067\u78ba\u8a8d\u3055\u308c\u305f\u72b6\u614b\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30af\u30e9\u30a6\u30c9\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3001IoT\u30c7\u30d0\u30a4\u30b9\u3001API\u3001\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u901a\u3058\u3066\u30c7\u30b8\u30bf\u30eb\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u304c\u62e1\u5927\u3057\u7d9a\u3051\u308b\u4e2d\u3067\u3001TLS\u30d9\u30fc\u30b9\u306e\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u91cd\u8981\u6027\u306f\u307e\u3059\u307e\u3059\u5897\u5927\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"data-encryption-and-secure-information-exchange\"><strong>\u30c7\u30fc\u30bf\u6697\u53f7\u5316\u3068\u5b89\u5168\u306a\u60c5\u5831\u4ea4\u63db<\/strong><\/h2>\n\n\n<p>\u30c7\u30fc\u30bf\u6697\u53f7\u5316\u306f\u73fe\u4ee3\u306e\u30c7\u30b8\u30bf\u30eb\u901a\u4fe1\u306e\u57fa\u672c\u7684\u306a\u67f1\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u7279\u306b\u516c\u5171\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u79fb\u52d5\u3059\u308b\u969b\u306b\u60c5\u5831\u304c\u6a5f\u5bc6\u3067\u4fdd\u8b77\u3055\u308c\u305f\u307e\u307e\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u6697\u53f7\u5316\u306f\u3001\u8aad\u307f\u53d6\u308a\u53ef\u80fd\u306a\u5e73\u6587\u3092\u6697\u53f7\u5316\u3055\u308c\u305f\u6697\u53f7\u6587\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3057\u3001\u6b63\u3057\u3044\u5fa9\u53f7\u9375\u304c\u306a\u3051\u308c\u3070\u7406\u89e3\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u3001\u91d1\u878d\u53d6\u5f15\u3001\u500b\u4eba\u8a18\u9332\u3001\u4f01\u696d\u306e\u6a5f\u5bc6\u60c5\u5831\u306a\u3069\u306e\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u6697\u53f7\u5316\u304c\u306a\u3051\u308c\u3070\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306f\u7121\u8a31\u53ef\u306e\u5f53\u4e8b\u8005\u306b\u3088\u3063\u3066\u508d\u53d7\u3001\u8aad\u307f\u53d6\u308a\u3001\u307e\u305f\u306f\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"types-of-data-encryption\"><strong>\u30c7\u30fc\u30bf\u6697\u53f7\u5316\u306e\u7a2e\u985e<\/strong><\/h3>\n\n\n<p>\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u3067\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u306a\u6697\u53f7\u5316\u30e2\u30c7\u30eb\u306f2\u3064\u3042\u308a\u307e\u3059\uff1a <strong>\u5bfe\u79f0\u6697\u53f7\u5316<\/strong> \u305d\u3057\u3066 <strong>\u975e\u5bfe\u79f0\u6697\u53f7\u5316<\/strong>. \u3002\u305d\u308c\u305e\u308c\u304c\u73fe\u4ee3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u5185\u3067\u7279\u5b9a\u306e\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"symmetric-encryption\">\u5bfe\u79f0\u6697\u53f7\u5316<\/h4>\n\n\n<p>\u5bfe\u79f0\u6697\u53f7\u5316\u306f\u3001\u6697\u53f7\u5316\u3068\u5fa9\u53f7\u306e\u4e21\u65b9\u306b\u5358\u4e00\u306e\u5171\u6709\u9375\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u540c\u3058\u9375\u304c\u4e21\u7aef\u3067\u4f7f\u7528\u3055\u308c\u308b\u305f\u3081\u3001\u3053\u306e\u65b9\u6cd5\u306f\u975e\u5e38\u306b\u52b9\u7387\u7684\u3067\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3059\u308b\u306e\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u6700\u3082\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u5bfe\u79f0\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f <strong>\u9ad8\u5ea6\u6697\u53f7\u5316\u6a19\u6e96\uff08AES\uff09<\/strong>. \u3067\u3059\u3002AES\u306f\u305d\u306e\u5f37\u529b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7279\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u52b9\u7387\u306e\u305f\u3081\u306b\u4e16\u754c\u7684\u306b\u4fe1\u983c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u5b9f\u88c5\u306b\u306fAES-128\u3001AES-192\u3001AES-256\u304c\u3042\u308a\u3001AES-256\u304c\u6700\u9ad8\u30ec\u30d9\u30eb\u306e\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u5bfe\u79f0\u6697\u53f7\u5316\u306f\u4e00\u822c\u7684\u306b\u4ee5\u4e0b\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b89\u5168\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u78ba\u7acb\u3055\u308c\u305f\u5f8c\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u6697\u53f7\u5316<\/li>\n\n\n\n<li>\u30c7\u30a3\u30b9\u30af\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e0a\u306e\u30c7\u30fc\u30bf\u306e\u4fdd\u8b77<\/li>\n\n\n\n<li>VPN\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3068\u6697\u53f7\u5316\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u4fdd\u8b77<\/li>\n<\/ul>\n\n\n<h4 class=\"wp-block-heading\" id=\"asymmetric-encryption\">\u975e\u5bfe\u79f0\u6697\u53f7\u5316<\/h4>\n\n\n<p>\u975e\u5bfe\u79f0\u6697\u53f7\u5316\u306f\u3001\u6697\u53f7\u5316\u7528\u306e<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>\u516c\u958b\u9375<\/strong> \u3068\u5fa9\u53f7\u7528\u306e<\/li>\n\n\n\n<li>A <strong>\u79d8\u5bc6\u9375<\/strong> \u306e\u30da\u30a2\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306f\u3001\u5bfe\u79f0\u6697\u53f7\u5316\u306b\u5185\u5728\u3059\u308b\u9375\u914d\u5e03\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002\u516c\u958b\u9375\u306f\u30aa\u30fc\u30d7\u30f3\u306b\u5171\u6709\u3067\u304d\u308b\u305f\u3081\u3001\u975e\u5bfe\u79f0\u6697\u53f7\u5316\u306f\u4fe1\u983c\u3067\u304d\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u306e\u5b89\u5168\u306a\u63a5\u7d9a\u306e\u78ba\u7acb\u306b\u7406\u60f3\u7684\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u975e\u5bfe\u79f0\u6697\u53f7\u5316\u306f\u3001\u6700\u3082\u4e00\u822c\u7684\u306b\u4ee5\u4e0b\u306e\u969b\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\uff1a.<\/p>\n\n\n\n<p>TLS\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b89\u5168\u306a\u9375\u4ea4\u63db\u30d7\u30ed\u30bb\u30b9<\/li>\n\n\n\n<li>\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3068\u8a8d\u8a3c<\/li>\n\n\n\n<li>\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3068\u8a8d\u8a3c<\/li>\n<\/ul>\n\n\n\n<p>\u975e\u5bfe\u79f0\u6697\u53f7\u5316\u306f\u8a08\u7b97\u30b3\u30b9\u30c8\u304c\u9ad8\u3044\u3067\u3059\u304c\u3001\u4ee5\u524d\u306b\u3084\u308a\u53d6\u308a\u3057\u305f\u3053\u3068\u306e\u306a\u3044\u5f53\u4e8b\u8005\u9593\u3067\u306e\u5b89\u5168\u306a\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"role-of-encryption-in-data-security\"><strong>\u30c7\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u304a\u3051\u308b\u6697\u53f7\u5316\u306e\u5f79\u5272<\/strong><\/h3>\n\n\n<p>\u6697\u53f7\u5316\u306f\u30c7\u30fc\u30bf\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u5168\u4f53\u3092\u901a\u3058\u3066\u30c7\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u9001\u4fe1\u4e2d\u306b\u508d\u53d7\u3055\u308c\u305f\u5834\u5408\u3067\u3082\u3001\u9069\u5207\u306a\u5fa9\u53f7\u30ad\u30fc\u304c\u306a\u3051\u308c\u3070\u8aad\u3081\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p>\u6697\u53f7\u5316\u306f\u4ee5\u4e0b\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9<\/li>\n\n\n\n<li>\u76d7\u8074<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u6539\u3056\u3093<\/li>\n\n\n\n<li>\u8cc7\u683c\u60c5\u5831\u306e\u76d7\u96e3<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u4fdd\u8b77\u306f\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6a5f\u5bc6\u30c7\u30fc\u30bf\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u500b\u4eba\u3092\u7279\u5b9a\u3067\u304d\u308b\u60c5\u5831\uff08PII\uff09<\/li>\n\n\n\n<li>\u91d1\u878d\u304a\u3088\u3073\u652f\u6255\u3044\u30c7\u30fc\u30bf<\/li>\n\n\n\n<li>\u6a5f\u5bc6\u306e\u4f01\u696d\u901a\u4fe1<\/li>\n\n\n\n<li>\u8a8d\u8a3c\u8cc7\u683c\u60c5\u5831<\/li>\n<\/ul>\n\n\n\n<p>\u6a5f\u5bc6\u6027\u3068\u5b8c\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u3001\u6697\u53f7\u5316\u306f\u30c7\u30b8\u30bf\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u4fe1\u983c\u306e\u57fa\u76e4\u3092\u5f62\u6210\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"secure-transmission-explained\"><strong>\u5b89\u5168\u306a\u9001\u4fe1\u306e\u8aac\u660e<\/strong><\/h2>\n\n\n<p>\u5b89\u5168\u306a\u9001\u4fe1\u3068\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3084\u30b7\u30b9\u30c6\u30e0\u9593\u3067\u30c7\u30fc\u30bf\u304c\u79fb\u52d5\u3059\u308b\u969b\u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6280\u8853\u3084\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6307\u3057\u307e\u3059\u3002\u76ee\u7684\u306f\u3001\u30c7\u30fc\u30bf\u304c\u8ee2\u9001\u4e2d\u306b\u508d\u53d7\u3001\u6539\u3056\u3093\u3001\u307e\u305f\u306f\u507d\u88c5\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u5b89\u5168\u306a\u9001\u4fe1\u306f\u4ee5\u4e0b\u3092\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f37\u529b\u306a\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/li>\n\n\n\n<li>\u8a8d\u8a3c\u30e1\u30ab\u30cb\u30ba\u30e0<\/li>\n\n\n\n<li>\u5b8c\u5168\u6027\u306e\u691c\u8a3c<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u8981\u7d20\u304c\u4e00\u4f53\u3068\u306a\u3063\u3066\u3001\u30de\u30f3\u30a4\u30f3\u30b6\u30df\u30c9\u30eb\u653b\u6483\u3001\u30d1\u30b1\u30c3\u30c8\u30b9\u30cb\u30c3\u30d5\u30a3\u30f3\u30b0\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"protocols-for-secure-transmission\"><strong>\u5b89\u5168\u306a\u9001\u4fe1\u306e\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong><\/h3>\n\n\n<p>\u3044\u304f\u3064\u304b\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6a5f\u5bc6\u6027\u3068\u5b8c\u5168\u6027\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u6697\u53f7\u5316\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"transport-layer-security-tls\"><strong>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08TLS\uff09<\/strong><\/h3>\n\n\n<p>TLS\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306e\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u305f\u3081\u306b\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u305f\u3081\u306b\u6697\u53f7\u5316\u3055\u308c\u305f\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a6\u30a7\u30d6\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\uff08HTTPS\uff09<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9<\/li>\n\n\n\n<li>API\u304a\u3088\u3073\u30af\u30e9\u30a6\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/li>\n\n\n\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0<\/li>\n<\/ul>\n\n\n\n<p>TLS\u306f\u3001\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u4e2d\u306b\u6697\u53f7\u5316\u3057\u3001\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\u3092\u4f7f\u7528\u3057\u3066\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u8eab\u5143\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"secure-shell-ssh\"><strong>\u30bb\u30ad\u30e5\u30a2\u30b7\u30a7\u30eb\uff08SSH\uff09<\/strong><\/h3>\n\n\n<p>SSH\u306f\u3001\u5b89\u5168\u3067\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u30b7\u30b9\u30c6\u30e0\u306b\u5b89\u5168\u306b\u30a2\u30af\u30bb\u30b9\u3057\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u4ee5\u4e0b\u3092\u63d0\u4f9b\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f37\u529b\u306a\u8a8d\u8a3c<\/li>\n\n\n\n<li>\u6697\u53f7\u5316\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u5b9f\u884c<\/li>\n\n\n\n<li>\u5b89\u5168\u306a\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001<\/li>\n<\/ul>\n\n\n\n<p>SSH\u306f\u3001\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u7ba1\u7406\u3084\u5b89\u5168\u306a\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"why-secure-transmission-matters\"><strong>\u306a\u305c\u5b89\u5168\u306a\u9001\u4fe1\u304c\u91cd\u8981\u306a\u306e\u304b<\/strong><\/h3>\n\n\n<p>\u5b89\u5168\u306a\u9001\u4fe1\u306f\u3001\u73fe\u4ee3\u306e\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u304b\u3089\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u6697\u53f7\u5316\u3084\u5b89\u5168\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u306a\u3051\u308c\u3070\u3001\u9001\u4fe1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u508d\u53d7\u3001\u6539\u3056\u3093\u3001\u60aa\u7528\u306e\u5371\u967a\u306b\u3055\u3089\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p>TLS\u3084SSH\u306a\u3069\u306e\u5b89\u5168\u306a\u9001\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u7d44\u7e54\u3084\u500b\u4eba\u306f\u4ee5\u4e0b\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u6a5f\u5bc6\u6027\u304c\u7dad\u6301\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u901a\u4fe1\u304c\u771f\u6b63\u3067\u3042\u308b<\/li>\n\n\n\n<li>\u60c5\u5831\u306e\u5b8c\u5168\u6027\u304c\u4fdd\u305f\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u307e\u3059\u307e\u3059\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30b8\u30bf\u30eb\u74b0\u5883\u3067\u306f\u3001\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u306f\u3082\u306f\u3084\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3001\u4fe1\u983c\u306e\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u8981\u4ef6\u3067\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"wireless-encryption-securing-data-over-wifi-networks\"><strong>\u30ef\u30a4\u30e4\u30ec\u30b9\u6697\u53f7\u5316\uff1aWi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30c7\u30fc\u30bf\u306e\u4fdd\u8b77<\/strong><\/h2>\n\n\n<p>\u30ef\u30a4\u30e4\u30ec\u30b9\u6697\u53f7\u5316\u306f\u3001Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002 <a href=\"https:\/\/securitybriefing.net\/ja\/%e3%83%af%e3%82%a4%e3%83%95%e3%82%a1%e3%82%a4\/%e6%ac%a1%e3%81%ae%e3%81%86%e3%81%a1%e3%80%81%e5%85%ac%e5%85%b1%e3%81%aewi-fi%e3%81%a7%e5%ae%89%e5%85%a8%e3%81%ab%e8%a1%8c%e3%81%88%e3%82%8b%e3%81%ae%e3%81%af%e3%81%a9%e3%82%8c%e3%81%a7%e3%81%99\/\">Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/a>. \u6709\u7dda\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u306f\u7570\u306a\u308a\u3001\u30ef\u30a4\u30e4\u30ec\u30b9\u4fe1\u53f7\u306f\u7a7a\u4e2d\u3092\u4f1d\u308f\u308b\u305f\u3081\u3001\u508d\u53d7\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3001\u30d1\u30b1\u30c3\u30c8\u30b9\u30cb\u30c3\u30d5\u30a3\u30f3\u30b0\u653b\u6483\u306b\u5bfe\u3057\u3066\u672c\u8cea\u7684\u306b\u8106\u5f31\u3067\u3059\u3002\u9069\u5207\u306a\u6697\u53f7\u5316\u304c\u306a\u3044\u5834\u5408\u3001\u30ef\u30a4\u30e4\u30ec\u30b9\u4fe1\u53f7\u306e\u7bc4\u56f2\u5185\u306b\u3044\u308b\u653b\u6483\u8005\u306f\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u3053\u306e\u305f\u3081\u3001\u5f37\u529b\u306a\u30ef\u30a4\u30e4\u30ec\u30b9\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u500b\u4eba\u304a\u3088\u3073\u4f01\u696d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"types-of-wireless-encryption-protocols\"><strong>\u30ef\u30a4\u30e4\u30ec\u30b9\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u7a2e\u985e<\/strong><\/h3>\n\n\n<p>\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u3001Wi-Fi\u6697\u53f7\u5316\u57fa\u6e96\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u3044\u304f\u3064\u304b\u306e\u30ef\u30a4\u30e4\u30ec\u30b9\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"wired-equivalent-privacy-wep\">\u6709\u7dda\u7b49\u4fa1\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\uff08WEP\uff09<\/h4>\n\n\n<p>WEP\u306f\u3001Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u57fa\u672c\u7684\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u521d\u671f\u306e\u30ef\u30a4\u30e4\u30ec\u30b9\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u306e1\u3064\u3067\u3059\u3002\u3057\u304b\u3057\u3001WEP\u306b\u306f\u91cd\u5927\u306a\u6697\u53f7\u306e\u5f31\u70b9\u304c\u3042\u308a\u3001\u73fe\u4ee3\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u6570\u5206\u3067\u7834\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u4eca\u65e5\u3067\u306f\u3001WEP\u306f\u6642\u4ee3\u9045\u308c\u3068\u898b\u306a\u3055\u308c\u3001\u5b9f\u7a3c\u50cd\u74b0\u5883\u3067\u4f7f\u7528\u3055\u308c\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"wifi-protected-access-wpa-and-wpa2\">Wi-Fi\u30d7\u30ed\u30c6\u30af\u30c6\u30c3\u30c9\u30a2\u30af\u30bb\u30b9\uff08WPA\u304a\u3088\u3073WPA2\uff09<\/h4>\n\n\n<p>WPA\u306fWEP\u306e\u4ee3\u66ff\u3068\u3057\u3066\u5c0e\u5165\u3055\u308c\u3001\u6697\u53f7\u5316\u304c\u6539\u5584\u3055\u308c\u3001\u3088\u308a\u5f37\u529b\u306a\u8a8d\u8a3c\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3057\u305f\u3002.<\/p>\n\n\n\n<p>WPA2\u306f\u3001\u4ee5\u4e0b\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u30ef\u30a4\u30e4\u30ec\u30b9\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u3055\u3089\u306b\u5f37\u5316\u3057\u307e\u3057\u305f\uff1a <strong>AES\uff08Advanced Encryption Standard\uff09<\/strong> \u6697\u53f7\u5316\u306b\u3088\u308a\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306b\u5bfe\u3059\u308b\u5f37\u529b\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>WPA2\u306f\u9577\u5e74\u306b\u308f\u305f\u308a\u696d\u754c\u6a19\u6e96\u3068\u306a\u308a\u3001\u9069\u5207\u306b\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u5b89\u5168\u3067\u3059\u3002.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"wpa3-current-recommended-standard\">WPA3\uff08\u73fe\u5728\u63a8\u5968\u3055\u308c\u308b\u6a19\u6e96\uff09<\/h4>\n\n\n<p>\u4eca\u65e5\u6700\u3082\u5b89\u5168\u306a\u30ef\u30a4\u30e4\u30ec\u30b9\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u306f <strong>WPA3<\/strong>. \u3067\u3059\u3002WPA2\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3067\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d1\u30b9\u30ef\u30fc\u30c9\u30d9\u30fc\u30b9\u306e\u8a8d\u8a3c\u3092\u5f37\u5316<\/li>\n\n\n\n<li>\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3092\u5f37\u5316<\/li>\n\n\n\n<li>\u30ef\u30a4\u30e4\u30ec\u30b9\u30bb\u30c3\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u524d\u65b9\u79d8\u533f\u6027\u3092\u63d0\u4f9b<\/li>\n\n\n\n<li>\u500b\u5225\u30c7\u30fc\u30bf\u6697\u53f7\u5316\u306b\u3088\u308b\u30aa\u30fc\u30d7\u30f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4fdd\u8b77<\/li>\n<\/ul>\n\n\n\n<p>\u73fe\u4ee3\u306eWi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001WPA3\u304c\u6697\u53f7\u5316\u3055\u308c\u305f\u30ef\u30a4\u30e4\u30ec\u30b9\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u63a8\u5968\u6a19\u6e96\u3067\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"challenges-in-wireless-network-security\"><strong>\u30ef\u30a4\u30e4\u30ec\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8ab2\u984c<\/strong><\/h3>\n\n\n<p>\u30ef\u30a4\u30e4\u30ec\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u4ee5\u4e0b\u3092\u542b\u3080\u72ec\u81ea\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306b\u76f4\u9762\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd1\u304f\u306e\u653b\u6483\u8005\u306b\u3088\u308b\u4fe1\u53f7\u306e\u508d\u53d7<\/li>\n\n\n\n<li>\u6b63\u898f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u507d\u88c5\u3059\u308b\u4e0d\u6b63\u306a\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8<\/li>\n\n\n\n<li>\u5f31\u3044\u307e\u305f\u306f\u518d\u5229\u7528\u3055\u308c\u305fWi-Fi\u30d1\u30b9\u30ef\u30fc\u30c9<\/li>\n\n\n\n<li>\u53e4\u3044\u30eb\u30fc\u30bf\u30fc\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WPA3\uff08\u307e\u305f\u306f\u6700\u4f4e\u9650WPA2\uff09\u3092\u6709\u52b9\u306b\u3059\u308b<\/li>\n\n\n\n<li>\u5f37\u529b\u3067\u30e6\u30cb\u30fc\u30af\u306a\u30d1\u30b9\u30d5\u30ec\u30fc\u30ba\u3092\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u30eb\u30fc\u30bf\u30fc\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3092\u5b9a\u671f\u7684\u306b\u66f4\u65b0\u3059\u308b<\/li>\n\n\n\n<li>\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b5\u30fc\u30d3\u30b9\u3092\u7121\u52b9\u306b\u3059\u308b<\/li>\n\n\n\n<li>\u516c\u5171Wi-Fi\u306b\u63a5\u7d9a\u3059\u308b\u969b\u306fVPN\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u30ef\u30a4\u30e4\u30ec\u30b9\u6697\u53f7\u5316\u306f\u3001\u30ab\u30d5\u30a7\u3001\u7a7a\u6e2f\u3001\u30db\u30c6\u30eb\u306a\u3069\u306e\u516c\u5171\u74b0\u5883\u3067\u7279\u306b\u91cd\u8981\u3067\u3059\u3002\u653b\u6483\u8005\u304c\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u76e3\u8996\u3057\u3088\u3046\u3068\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"email-encryption-protecting-sensitive-communications\"><strong>\u30e1\u30fc\u30eb\u6697\u53f7\u5316\uff1a\u6a5f\u5bc6\u901a\u4fe1\u306e\u4fdd\u8b77<\/strong><\/h2>\n\n\n<p>\u96fb\u5b50\u30e1\u30fc\u30eb\u306f\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306b\u3088\u3063\u3066\u6700\u3082\u72d9\u308f\u308c\u308b\u3082\u306e\u306e\u4e00\u3064\u3067\u3059\u3002\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u306f\u3001\u9001\u4fe1\u4e2d\u306b\u30e1\u30fc\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5185\u5bb9\u3092\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u6697\u53f7\u5316\u304c\u306a\u3044\u5834\u5408\u3001\u30e1\u30fc\u30eb\u306f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u9593\u3092\u79fb\u52d5\u3059\u308b\u969b\u306b\u508d\u53d7\u3055\u308c\u3001\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u3001\u8ca1\u52d9\u8a18\u9332\u3001\u6a5f\u5bc6\u6587\u66f8\u306a\u3069\u306e\u6a5f\u5bc6\u60c5\u5831\u304c\u9732\u51fa\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"methods-of-email-encryption\"><strong>\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u306e\u65b9\u6cd5<\/strong><\/h3>\n\n\n<p>\u30e1\u30fc\u30eb\u901a\u4fe1\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3044\u304f\u3064\u304b\u306e\u6697\u53f7\u5316\u6280\u8853\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"pretty-good-privacy-pgp\">Pretty Good Privacy\uff08PGP\uff09<\/h4>\n\n\n<p>PGP\u306f\u3001\u30e1\u30fc\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u8a8d\u8a3c\u306e\u4e21\u65b9\u3092\u63d0\u4f9b\u3059\u308b\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u6697\u53f7\u5316\u6a19\u6e96\u3067\u3059\u3002\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u6697\u53f7\u5316\u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b89\u5168\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u30ad\u30fc\u3092\u4ea4\u63db\u3059\u308b\u305f\u3081\u306e\u975e\u5bfe\u79f0\u6697\u53f7\u5316<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u5185\u5bb9\u3092\u6697\u53f7\u5316\u3059\u308b\u305f\u3081\u306e\u5bfe\u79f0\u6697\u53f7\u5316<\/li>\n<\/ul>\n\n\n\n<p>PGP\u306f\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u53d7\u4fe1\u8005\u304c\u9001\u4fe1\u8005\u306e\u771f\u6b63\u6027\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"smime-securemultipurpose-internet-mail-extensions\">S\/MIME\uff08Secure\/Multipurpose Internet Mail Extensions\uff09<\/h4>\n\n\n<p>S\/MIME\u306f\u3001\u4f01\u696d\u3084\u6cd5\u4eba\u74b0\u5883\u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u516c\u958b\u9375\u6697\u53f7\u5316\u6a19\u6e96\u3067\u3059\u3002\u4ee5\u4e0b\u3092\u63d0\u4f9b\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u30e1\u30fc\u30eb\u6697\u53f7\u5316<\/li>\n\n\n\n<li>\u30c7\u30b8\u30bf\u30eb\u7f72\u540d<\/li>\n\n\n\n<li>\u8a3c\u660e\u66f8\u306b\u3088\u308b\u8eab\u5143\u78ba\u8a8d<\/li>\n<\/ul>\n\n\n\n<p>S\/MIME\u306f\u591a\u304f\u306e\u4f01\u696d\u30e1\u30fc\u30eb\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u76f4\u63a5\u7d71\u5408\u3055\u308c\u3001\u8a8d\u8a3c\u306b\u306f\u4fe1\u983c\u3067\u304d\u308b\u8a3c\u660e\u66f8\u6a5f\u95a2\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"why-email-encryption-is-essential\"><strong>\u306a\u305c\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u304c\u4e0d\u53ef\u6b20\u306a\u306e\u304b<\/strong><\/h3>\n\n\n<p>\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u306f\u4ee5\u4e0b\u3092\u78ba\u4fdd\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u610f\u56f3\u3057\u305f\u53d7\u4fe1\u8005\u306e\u307f\u304c\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8aad\u3081\u308b<\/li>\n\n\n\n<li>\u6a5f\u5bc6\u30c7\u30fc\u30bf\u304c\u8ee2\u9001\u4e2d\u306b\u508d\u53d7\u3055\u308c\u306a\u3044<\/li>\n\n\n\n<li>\u30e1\u30fc\u30eb\u5185\u5bb9\u304c\u691c\u51fa\u3055\u308c\u305a\u306b\u6539\u3056\u3093\u3055\u308c\u306a\u3044<\/li>\n\n\n\n<li>\u9001\u4fe1\u8005\u306e\u8eab\u5143\u304c\u78ba\u8a8d\u3067\u304d\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u306f\u7279\u306b\u4ee5\u4e0b\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u91d1\u878d\u53d6\u5f15<\/li>\n\n\n\n<li>\u6cd5\u7684\u6587\u66f8<\/li>\n\n\n\n<li>\u533b\u7642\u901a\u4fe1<\/li>\n\n\n\n<li>\u4f01\u696d\u306e\u77e5\u7684\u8ca1\u7523<\/li>\n<\/ul>\n\n\n\n<p>\u73fe\u4ee3\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u306f\u3001GDPR\u3001HIPAA\u3001\u91d1\u878d\u30c7\u30fc\u30bf\u4fdd\u8b77\u57fa\u6e96\u3092\u542b\u3080\u898f\u5236\u9075\u5b88\u306e\u305f\u3081\u306b\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30fc\u30eb\u901a\u4fe1\u304c\u3057\u3070\u3057\u3070\u8981\u6c42\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"public-wifi-security-protecting-encrypted-data-on-unsecured-networks\"><strong>\u516c\u5171WiFi\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff1a\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b<\/strong><\/h2>\n\n\n<p>\u516c\u5171WiFi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u4fbf\u5229\u3067\u3059\u304c\u3001\u91cd\u5927\u306a\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u7a7a\u6e2f\u3001\u30db\u30c6\u30eb\u3001\u30ab\u30d5\u30a7\u3001\u305d\u306e\u4ed6\u306e\u516c\u5171\u306e\u5834\u6240\u306f\u3001\u30aa\u30fc\u30d7\u30f3\u307e\u305f\u306f\u4e0d\u5341\u5206\u306b\u4fdd\u8b77\u3055\u308c\u305f\u30ef\u30a4\u30e4\u30ec\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u5171\u6709\u3055\u308c\u3001\u6642\u306b\u306f\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u653b\u6483\u8005\u304c\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u508d\u53d7\u3057\u3088\u3046\u3068\u3059\u308b\u4e3b\u8981\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u9069\u5207\u306a\u4fdd\u8b77\u304c\u306a\u3044\u5834\u5408\u3001\u516c\u5171WiFi\u306b\u63a5\u7d9a\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u30c7\u30fc\u30bf\u306e\u508d\u53d7\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3001\u8cc7\u683c\u60c5\u5831\u306e\u76d7\u96e3\u306b\u5bfe\u3057\u3066\u8106\u5f31\u3067\u3059\u3002\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3067\u3042\u3063\u3066\u3082\u3001\u5b89\u5168\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u9069\u5207\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u30ea\u30b9\u30af\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"risks-associated-with-public-wifi\"><strong>\u516c\u5171WiFi\u306b\u95a2\u9023\u3059\u308b\u30ea\u30b9\u30af<\/strong><\/h3>\n\n<h4 class=\"wp-block-heading\" id=\"data-interception\">\u30c7\u30fc\u30bf\u306e\u508d\u53d7<\/h4>\n\n\n<p>\u516c\u5171WiFi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u653b\u6483\u8005\u304c\u30d1\u30b1\u30c3\u30c8\u30b9\u30cb\u30c3\u30d5\u30a3\u30f3\u30b0\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Web\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304cHTTPS\u3084TLS\u306a\u3069\u306e\u5b89\u5168\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u9001\u4fe1\u3055\u308c\u305f\u60c5\u5831\uff08\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u3001\u500b\u4eba\u60c5\u5831\u3001\u652f\u6255\u3044\u30c7\u30fc\u30bf\u3092\u542b\u3080\uff09\u304c\u9732\u51fa\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u95b2\u89a7\u30d1\u30bf\u30fc\u30f3\u306a\u3069\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u3067\u3055\u3048\u3001\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u53ce\u96c6\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"maninthemiddle-mitm-attacks\">\u30de\u30f3\u30a4\u30f3\u30b6\u30df\u30c9\u30eb\uff08MITM\uff09\u653b\u6483<\/h4>\n\n\n<p>\u30de\u30f3\u30a4\u30f3\u30b6\u30df\u30c9\u30eb\u653b\u6483\u3067\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30bf\u30fc\u304c\u30e6\u30fc\u30b6\u30fc\u3068\u6b63\u898f\u306e\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u3092\u508d\u53d7\u3057\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u4ee5\u4e0b\u3092\u884c\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u4ea4\u63db\u3092\u76d7\u8074\u3059\u308b<\/li>\n\n\n\n<li>\u9001\u4fe1\u3055\u308c\u305f\u60c5\u5831\u3092\u6539\u3056\u3093\u3059\u308b<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fc\u3092\u4e0d\u6b63\u306aWeb\u30b5\u30a4\u30c8\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b<\/li>\n\n\n\n<li>\u8a8d\u8a3c\u8cc7\u683c\u60c5\u5831\u3092\u76d7\u3080<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u653b\u6483\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u3088\u308a\u7c21\u5358\u306b\u64cd\u4f5c\u3055\u308c\u308b\u30aa\u30fc\u30d7\u30f3WiFi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u7279\u306b\u5371\u967a\u3067\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"enhancing-public-wifi-security\"><strong>\u516c\u5171WiFi\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316<\/strong><\/h3>\n\n\n<p>\u516c\u5171WiFi\u3092\u4f7f\u7528\u3057\u3066\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u5b89\u5168\u306b\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u304c\u4e0d\u53ef\u6b20\u3067\u3059\uff1a<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"use-a-vpn\">VPN\u3092\u4f7f\u7528\u3059\u308b<\/h4>\n\n\n<p>\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08VPN\uff09\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3068\u5b89\u5168\u306a\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u3059\u3079\u3066\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u304c\u508d\u53d7\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u4fdd\u8b77\u3055\u308c\u305f\u30c8\u30f3\u30cd\u30eb\u304c\u4f5c\u6210\u3055\u308c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u78ba\u4fdd\u3055\u308c\u3066\u3044\u306a\u3044WiFi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3082\u5b89\u5168\u3067\u3059\u3002.<\/p>\n\n\n\n<p>VPN\u306f\u4ee5\u4e0b\u3092\u78ba\u4fdd\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u304c\u8ee2\u9001\u4e2d\u306b\u6697\u53f7\u5316\u3055\u308c\u305f\u307e\u307e\u3067\u3042\u308b<\/li>\n\n\n\n<li>\u95b2\u89a7\u6d3b\u52d5\u304c\u653b\u6483\u8005\u304b\u3089\u96a0\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u6a5f\u5bc6\u901a\u4fe1\u304c\u4fdd\u8b77\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n<h4 class=\"wp-block-heading\" id=\"enable-https\">HTTPS\u3092\u6709\u52b9\u306b\u3059\u308b<\/h4>\n\n\n<p>\u5e38\u306bWeb\u30b5\u30a4\u30c8\u304cHTTPS\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002HTTPS\u306fTLS\u6697\u53f7\u5316\u306b\u4f9d\u5b58\u3057\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6\u306f\u3001\u5b89\u5168\u306aTLS\u63a5\u7d9a\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u5834\u5408\u306b\u30d1\u30c9\u30ed\u30c3\u30af\u30a2\u30a4\u30b3\u30f3\u3092\u8868\u793a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30b5\u30a4\u30c8\u304cHTTPS\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u6a5f\u5bc6\u60c5\u5831\u3092\u5165\u529b\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"disable-file-sharing\">\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u3092\u7121\u52b9\u306b\u3059\u308b<\/h4>\n\n\n<p>\u516c\u5171WiFi\u306b\u63a5\u7d9a\u3057\u3066\u3044\u308b\u3068\u304d\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a2\u7d22\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u6709\u52b9\u306b\u3057\u3066\u304a\u304f\u3068\u3001\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u4ed6\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u30ed\u30fc\u30ab\u30eb\u30d5\u30a1\u30a4\u30eb\u3084\u30c7\u30d0\u30a4\u30b9\u3092\u3055\u3089\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"enable-multifactor-authentication-mfa\">\u591a\u8981\u7d20\u8a8d\u8a3c\uff08MFA\uff09\u3092\u6709\u52b9\u306b\u3059\u308b<\/h4>\n\n\n<p>\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u304c\u508d\u53d7\u3055\u308c\u305f\u5834\u5408\u3067\u3082\u3001\u591a\u8981\u7d20\u8a8d\u8a3c\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u7b2c2\u5c64\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8ffd\u52a0\u306e\u691c\u8a3c\u8981\u7d20\u306a\u3057\u3067\u653b\u6483\u8005\u304c\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"vpn-usage\"><strong>VPN\u306e\u4f7f\u7528<\/strong><\/h3>\n\n\n<p>\u30d0\u30fc\u30c1\u30e3\u30eb\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08VPN\uff09\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u6642\u4ee3\u306b\u304a\u3051\u308b\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002VPN\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u30c7\u30d0\u30a4\u30b9\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u9593\u306b\u5b89\u5168\u306a\u30c8\u30f3\u30cd\u30eb\u3092\u4f5c\u6210\u3057\u3001\u901a\u904e\u3059\u308b\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u307e\u3059\u3002\u3053\u306e\u6697\u53f7\u5316\u306b\u3088\u308a\u3001\u500b\u4eba\u30c7\u30fc\u30bf\u3084\u95b2\u89a7\u6d3b\u52d5\u306a\u3069\u306e\u6a5f\u5bc6\u60c5\u5831\u304c\u3001\u30cf\u30c3\u30ab\u30fc\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u542b\u3080\u8997\u304d\u898b\u304b\u3089\u96a0\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p>VPN\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u96a0\u3059\u3053\u3068\u3067\u3042\u308a\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u306e\u533f\u540d\u6027\u3092\u7dad\u6301\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002VPN\u306b\u63a5\u7d9a\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u3092\u7d4c\u7531\u3057\u3066\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5225\u306e\u5834\u6240\u304b\u3089\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u5730\u7406\u7684\u5236\u9650\u3092\u56de\u907f\u3057\u3001\u7279\u5b9a\u306e\u5730\u57df\u3067\u306e\u691c\u95b2\u3092\u907f\u3051\u308b\u306e\u306b\u7279\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n\n\n\n<p>VPN\u306f\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3055\u307e\u3056\u307e\u306a\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u306fOpenVPN\u3001L2TP\/IPsec\u3001\u304a\u3088\u3073IKEv2\/IPsec\u304c\u3042\u308a\u307e\u3059\u3002OpenVPN\u306f\u901f\u5ea6\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u53d6\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u5e83\u304f\u8a55\u4fa1\u3055\u308c\u3066\u304a\u308a\u3001IKEv2\/IPsec\u306f\u7279\u306b\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3067\u306e\u5b89\u5b9a\u6027\u304c\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u9078\u629e\u306f\u3001VPN\u63a5\u7d9a\u306e\u901f\u5ea6\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u5805\u7262\u306a\u6697\u53f7\u5316\u57fa\u6e96\u3092\u63d0\u4f9b\u3059\u308bVPN\u30b5\u30fc\u30d3\u30b9\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u6697\u53f7\u5316\u306b\u52a0\u3048\u3066\u3001VPN\u306f\u30ad\u30eb\u30b9\u30a4\u30c3\u30c1\u3084DNS\u30ea\u30fc\u30af\u4fdd\u8b77\u306a\u3069\u306e\u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3082\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30ad\u30eb\u30b9\u30a4\u30c3\u30c1\u306f\u3001VPN\u63a5\u7d9a\u304c\u5207\u65ad\u3055\u308c\u305f\u5834\u5408\u306b\u30e6\u30fc\u30b6\u30fc\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u81ea\u52d5\u7684\u306b\u5207\u65ad\u3057\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30fc\u30bf\u304c\u9001\u4fe1\u3055\u308c\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002DNS\u30ea\u30fc\u30af\u4fdd\u8b77\u306f\u3001DNS\u30af\u30a8\u30ea\u304cVPN\u3092\u7d4c\u7531\u3057\u3066\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306eISP\u304c\u305d\u306e\u95b2\u89a7\u6d3b\u52d5\u3092\u8ffd\u8de1\u3059\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n\n\n\n<p>VPN\u306f\u500b\u4eba\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u305f\u3081\u3060\u3051\u3067\u306a\u304f\u3001\u4f01\u696d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u3082\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u4f01\u696d\u306f\u3057\u3070\u3057\u3070VPN\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ea\u30e2\u30fc\u30c8\u306e\u5f93\u696d\u54e1\u306b\u4f1a\u793e\u306e\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u5b89\u5168\u306a\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306b\u3088\u308a\u3001\u5f93\u696d\u54e1\u304c\u516c\u5171\u307e\u305f\u306f\u5b89\u5168\u3067\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u4f5c\u696d\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u6a5f\u5bc6\u306e\u4f01\u696d\u30c7\u30fc\u30bf\u304c\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304b\u3089\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"full-disk-encryption\"><strong>\u30d5\u30eb\u30c7\u30a3\u30b9\u30af\u6697\u53f7\u5316<\/strong><\/h3>\n\n\n<p>\u30d5\u30eb\u30c7\u30a3\u30b9\u30af\u6697\u53f7\u5316\uff08FDE\uff09\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u4fdd\u8b77\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u3092\u7269\u7406\u7684\u306b\u53d6\u5f97\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u304c\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002FDE\u306f\u3001\u76d7\u96e3\u3084\u7d1b\u5931\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u3044\u30ce\u30fc\u30c8\u30d1\u30bd\u30b3\u30f3\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3001\u305d\u306e\u4ed6\u306e\u643a\u5e2f\u30c7\u30d0\u30a4\u30b9\u4e0a\u306e\u6a5f\u5bc6\u60c5\u5831\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u7279\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>FDE\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30c9\u30e9\u30a4\u30d6\u5168\u4f53\u304c\u6697\u53f7\u5316\u3055\u308c\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6b63\u3057\u3044\u8a8d\u8a3c\u8cc7\u683c\u60c5\u5831\uff08\u30d1\u30b9\u30ef\u30fc\u30c9\u3084\u751f\u4f53\u8a8d\u8a3c\u306a\u3069\uff09\u304c\u306a\u3044\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u3092\u8d77\u52d5\u3057\u305f\u308a\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u3067\u304d\u307e\u305b\u3093\u3002FDE\u306f\u901a\u5e38\u3001\u5c02\u7528\u306e\u6697\u53f7\u5316\u30c1\u30c3\u30d7\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d9\u30fc\u30b9\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30ec\u30d9\u30eb\u3067\u5b9f\u88c5\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p>FDE\u306e\u4e3b\u306a\u5229\u70b9\u306e1\u3064\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u4ecb\u5165\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u5305\u62ec\u7684\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u4e00\u5ea6\u8a2d\u5b9a\u3055\u308c\u308b\u3068\u3001\u6697\u53f7\u5316\u30d7\u30ed\u30bb\u30b9\u306f\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u900f\u660e\u3067\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u901a\u5e38\u3069\u304a\u308a\u30c7\u30d0\u30a4\u30b9\u3092\u4f7f\u7528\u3057\u7d9a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u4f7f\u3044\u3084\u3059\u3055\u306f\u3001\u30c7\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u305f\u3044\u500b\u4eba\u30e6\u30fc\u30b6\u30fc\u3084\u7d44\u7e54\u306b\u3068\u3063\u3066FDE\u3092\u9b45\u529b\u7684\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>FDE\u306f\u3001Windows\u3001macOS\u3001Linux\u3092\u542b\u3080\u307b\u3068\u3093\u3069\u306e\u6700\u65b0\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002Windows\u306fFDE\u306bBitLocker\u3092\u4f7f\u7528\u3057\u3001macOS\u306fFileVault\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7d44\u307f\u8fbc\u307f\u30c4\u30fc\u30eb\u306f\u3001\u30d5\u30eb\u30c7\u30a3\u30b9\u30af\u6697\u53f7\u5316\u306e\u6709\u52b9\u5316\u3068\u7ba1\u7406\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7c21\u7d20\u5316\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u6280\u8853\u7684\u5c02\u9580\u77e5\u8b58\u3092\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u305d\u306e\u5229\u70b9\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001FDE\u306b\u306f\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002\u8ee2\u9001\u4e2d\u306e\u30c7\u30fc\u30bf\u3084USB\u30c9\u30e9\u30a4\u30d6\u306a\u3069\u306e\u5916\u90e8\u30c7\u30d0\u30a4\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3055\u3089\u306b\u3001FDE\u306f\u30b7\u30b9\u30c6\u30e0\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u73fe\u4ee3\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u306f\u3053\u306e\u5f71\u97ff\u306f\u3057\u3070\u3057\u3070\u7121\u8996\u3067\u304d\u308b\u7a0b\u5ea6\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u8a8d\u8a3c\u8cc7\u683c\u60c5\u5831\u3092\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u5931\u3046\u3068\u3001\u30c7\u30fc\u30bf\u304c\u6c38\u4e45\u306b\u5931\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"wireless-network-security\"><strong>\u30ef\u30a4\u30e4\u30ec\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong><\/h3>\n\n\n<p>\u30ef\u30a4\u30e4\u30ec\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u4eca\u65e5\u306e\u30c7\u30b8\u30bf\u30eb\u74b0\u5883\u3067\u5e83\u304f\u666e\u53ca\u3057\u3066\u304a\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30d0\u30a4\u30b9\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u4fbf\u5229\u306a\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30ef\u30a4\u30e4\u30ec\u30b9\u30a2\u30af\u30bb\u30b9\u306e\u4fbf\u5229\u3055\u306b\u306f\u3001\u6a5f\u5bc6\u60c5\u5831\u3092\u4fdd\u8b77\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u5bfe\u51e6\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8ab2\u984c\u304c\u4f34\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30ef\u30a4\u30e4\u30ec\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4fdd\u8b77\u3059\u308b\u306b\u306f\u3001\u30ef\u30a4\u30e4\u30ec\u30b9\u30eb\u30fc\u30bf\u30fc\u306e\u8a2d\u5b9a\u304b\u3089\u59cb\u3081\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u7ba1\u7406\u8005\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u91cd\u8981\u306a\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u8cc7\u683c\u60c5\u5831\u306f\u4e00\u822c\u306b\u516c\u958b\u3055\u308c\u3066\u304a\u308a\u3001\u653b\u6483\u8005\u306b\u3088\u3063\u3066\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u30ef\u30a4\u30e4\u30ec\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u306f\u6700\u3082\u5f37\u529b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3059\u308bWPA3\u6697\u53f7\u5316\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002WPA3\u304c\u5229\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001\u6700\u4f4e\u9650WPA2\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>SSID\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3092\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u3082\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u6f5c\u5728\u7684\u306a\u653b\u6483\u8005\u306b\u5bfe\u3057\u3066\u76ee\u7acb\u305f\u306a\u304f\u3059\u308b\u3053\u3068\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5bfe\u7b56\u306f\u3001\u6c7a\u610f\u306e\u3042\u308b\u30cf\u30c3\u30ab\u30fc\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u767a\u898b\u3059\u308b\u306e\u3092\u9632\u3050\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u8a66\u307f\u308b\u30ab\u30b8\u30e5\u30a2\u30eb\u306a\u8a66\u307f\u3092\u6291\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001MAC\u30a2\u30c9\u30ec\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30eb\u30fc\u30bf\u30fc\u304c\u7279\u5b9a\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u306e\u307f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u3055\u3089\u306b\u5f37\u5316\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30eb\u30fc\u30bf\u30fc\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3092\u5b9a\u671f\u7684\u306b\u66f4\u65b0\u3059\u308b\u3053\u3068\u306f\u3001\u8106\u5f31\u6027\u304b\u3089\u4fdd\u8b77\u3057\u3001\u6700\u65b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u591a\u304f\u306e\u30eb\u30fc\u30bf\u30fc\u306f\u81ea\u52d5\u66f4\u65b0\u3092\u63d0\u4f9b\u3057\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u7c21\u7d20\u5316\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u516c\u5171Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u983b\u7e41\u306b\u63a5\u7d9a\u3059\u308b\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306b\u306f\u3001\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3066\u76d7\u8074\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306bVPN\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u4f7f\u7528\u5f8c\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5fd8\u308c\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3001\u6f5c\u5728\u7684\u306b\u5371\u967a\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u81ea\u52d5\u518d\u63a5\u7d9a\u3092\u9632\u3050\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u5927\u898f\u6a21\u306a\u30ef\u30a4\u30e4\u30ec\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u6301\u3064\u7d44\u7e54\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3084\u4f01\u696d\u5411\u3051\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4f7f\u7528\u306a\u3069\u3001\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u5b9f\u65bd\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u305d\u308c\u305e\u308c\u72ec\u81ea\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u3092\u6301\u3064\u30bb\u30b0\u30e1\u30f3\u30c8\u306b\u5206\u5272\u3059\u308b\u3053\u3068\u3092\u542b\u307f\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fb5\u5bb3\u306e\u6f5c\u5728\u7684\u306a\u5f71\u97ff\u304c\u5236\u9650\u3055\u308c\u3001\u653b\u6483\u8005\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3092\u6a2a\u79fb\u52d5\u3059\u308b\u3053\u3068\u304c\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"encryption-standards\"><strong>\u6697\u53f7\u5316\u6a19\u6e96<\/strong><\/h2>\n\n\n<p>\u6697\u53f7\u5316\u6a19\u6e96\u306f\u3001\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u57fa\u76e4\u3067\u3042\u308a\u3001\u5e73\u6587\u3092\u6697\u53f7\u6587\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6a19\u6e96\u306f\u3001\u30c7\u30fc\u30bf\u304c\u4e0d\u5b89\u5168\u306a\u30c1\u30e3\u30cd\u30eb\u3092\u4ecb\u3057\u3066\u9001\u4fe1\u3055\u308c\u308b\u5834\u5408\u3067\u3082\u3001\u6a5f\u5bc6\u6027\u3068\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u6697\u53f7\u5316\u6a19\u6e96\u306e1\u3064\u306f\u3001Advanced Encryption Standard\uff08AES\uff09\u3067\u3042\u308a\u3001\u653f\u5e9c\u3001\u91d1\u878d\u6a5f\u95a2\u3001\u305d\u306e\u4ed6\u306e\u7d44\u7e54\u304c\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002AES\u306f\u5bfe\u79f0\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3042\u308a\u3001\u6697\u53f7\u5316\u3068\u5fa9\u53f7\u5316\u306e\u4e21\u65b9\u306b\u540c\u3058\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002128\u3001192\u3001\u304a\u3088\u3073256\u30d3\u30c3\u30c8\u306e\u30ad\u30fc\u30b5\u30a4\u30ba\u3092\u63d0\u4f9b\u3057\u3001\u30ad\u30fc\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044\u307b\u3069\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>RSA\u306f\u3001\u8ee2\u9001\u4e2d\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u3082\u3046\u4e00\u3064\u306e\u8457\u540d\u306a\u6697\u53f7\u5316\u6a19\u6e96\u3067\u3059\u3002AES\u3068\u306f\u7570\u306a\u308a\u3001RSA\u306f\u975e\u5bfe\u79f0\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3042\u308a\u3001\u6697\u53f7\u5316\u306b\u516c\u958b\u9375\u3001\u5fa9\u53f7\u306b\u79d8\u5bc6\u9375\u3092\u4f7f\u7528\u3059\u308b\u9375\u30da\u30a2\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u7279\u6027\u306b\u3088\u308a\u3001RSA\u306f\u5b89\u5168\u306a\u9375\u4ea4\u63db\u306b\u7406\u60f3\u7684\u3067\u3042\u308a\u3001\u5b89\u5168\u3067\u306a\u3044\u30c1\u30e3\u30cd\u30eb\u3092\u4ecb\u3057\u3066\u5f53\u4e8b\u8005\u304c\u5171\u6709\u306e\u79d8\u5bc6\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>Diffie-Hellman\u30ad\u30fc\u4ea4\u63db\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001RSA\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u5b89\u5168\u306a\u901a\u4fe1\u3092\u4fc3\u9032\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3088\u308a\u30012\u3064\u306e\u5f53\u4e8b\u8005\u304c\u30ad\u30fc\u81ea\u4f53\u3092\u9001\u4fe1\u305b\u305a\u306b\u5171\u6709\u79d8\u5bc6\u30ad\u30fc\u3092\u751f\u6210\u3067\u304d\u308b\u305f\u3081\u3001\u508d\u53d7\u306e\u30ea\u30b9\u30af\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u6955\u5186\u66f2\u7dda\u6697\u53f7\uff08ECC\uff09\u306f\u3001RSA\u306e\u4ee3\u66ff\u3068\u3057\u3066\u4eba\u6c17\u304c\u9ad8\u307e\u3063\u3066\u304a\u308a\u3001\u3088\u308a\u5c0f\u3055\u306a\u30ad\u30fc\u30b5\u30a4\u30ba\u3067\u540c\u69d8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002ECC\u306f\u3001\u8a08\u7b97\u30ea\u30bd\u30fc\u30b9\u3068\u96fb\u529b\u6d88\u8cbb\u304c\u9650\u3089\u308c\u3066\u3044\u308b\u30e2\u30d0\u30a4\u30eb\u304a\u3088\u3073IoT\u30c7\u30d0\u30a4\u30b9\u306b\u7279\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u6697\u53f7\u5316\u6a19\u6e96\u306f\u3001\u65b0\u305f\u306a\u8105\u5a01\u3084\u8106\u5f31\u6027\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u7d99\u7d9a\u7684\u306b\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u7c73\u56fd\u56fd\u7acb\u6a19\u6e96\u6280\u8853\u7814\u7a76\u6240\uff08NIST\uff09\u306f\u3001\u3053\u308c\u3089\u306e\u6a19\u6e96\u3092\u958b\u767a\u304a\u3088\u3073\u7dad\u6301\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u304a\u308a\u3001\u73fe\u4ee3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u306e\u53b3\u3057\u3044\u8981\u6c42\u3092\u6e80\u305f\u3059\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"secure-web-browsing\"><strong>\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u95b2\u89a7<\/strong><\/h2>\n\n\n<p>\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u95b2\u89a7\u306f\u3001\u500b\u4eba\u60c5\u5831\u3092\u4fdd\u8b77\u3057\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u30ca\u30d3\u30b2\u30fc\u30c8\u3059\u308b\u969b\u3001\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u3001\u652f\u6255\u3044\u60c5\u5831\u3001\u500b\u4eba\u60c5\u5831\u306a\u3069\u306e\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3059\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u3057\u3070\u3057\u3070\u906d\u9047\u3057\u307e\u3059\u3002\u3053\u306e\u30c7\u30fc\u30bf\u304c\u5b89\u5168\u306b\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3053\u3068\u306f\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3084\u30c7\u30fc\u30bf\u6f0f\u6d29\u3092\u9632\u3050\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u30a6\u30a7\u30d6\u95b2\u89a7\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u306a\u65b9\u6cd5\u306e1\u3064\u306f\u3001HTTPS\u306e\u4f7f\u7528\u3067\u3059\u3002HTTPS\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u3068Web\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u307e\u3059\u3002HTTPS\u306fSSL\/TLS\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u4f9d\u5b58\u3057\u3066\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3001\u9001\u4fe1\u4e2d\u306b\u30c7\u30fc\u30bf\u304c\u6a5f\u5bc6\u6027\u3068\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002HTTPS\u3092\u4f7f\u7528\u3059\u308bWeb\u30b5\u30a4\u30c8\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30a2\u30c9\u30ec\u30b9\u30d0\u30fc\u306b\u30d1\u30c9\u30ed\u30c3\u30af\u30a2\u30a4\u30b3\u30f3\u3092\u8868\u793a\u3057\u3001\u63a5\u7d9a\u304c\u5b89\u5168\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>HTTPS\u306b\u52a0\u3048\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30d6\u30e9\u30a6\u30b6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3084\u62e1\u5f35\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u30a6\u30a7\u30d6\u95b2\u89a7\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u6700\u65b0\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u5bfe\u3059\u308b\u7d44\u307f\u8fbc\u307f\u306e\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u6f5c\u5728\u7684\u306b\u6709\u5bb3\u306aWeb\u30b5\u30a4\u30c8\u3092\u8b66\u544a\u3057\u307e\u3059\u3002\u5e83\u544a\u30d6\u30ed\u30c3\u30ab\u30fc\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u30d6\u30ed\u30c3\u30ab\u30fc\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35\u6a5f\u80fd\u306f\u3001\u4e0d\u8981\u306a\u8ffd\u8de1\u3092\u9632\u304e\u3001\u60aa\u610f\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u3055\u3089\u306b\u5f37\u5316\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u500b\u4eba\u60c5\u5831\u3092\u8981\u6c42\u3059\u308bWeb\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002Web\u30b5\u30a4\u30c8\u306e\u6b63\u5f53\u6027\u3092\u78ba\u8a8d\u3057\u3001\u6709\u52b9\u306aSSL\u8a3c\u660e\u66f8\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u3084\u30c7\u30fc\u30bf\u306e\u76d7\u96e3\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u5404\u30aa\u30f3\u30e9\u30a4\u30f3\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u5f37\u529b\u3067\u30e6\u30cb\u30fc\u30af\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u4fb5\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30e2\u30d0\u30a4\u30eb\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u3082\u3001\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u95b2\u89a7\u306f\u540c\u69d8\u306b\u91cd\u8981\u3067\u3059\u3002\u30e2\u30d0\u30a4\u30eb\u30d6\u30e9\u30a6\u30b6\u306f\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30d6\u30e9\u30a6\u30b6\u3068\u540c\u69d8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3067\u5b89\u5168\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u95b2\u89a7\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3067VPN\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8ee2\u9001\u4e2d\u306e\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u96a0\u3059\u3053\u3068\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u3055\u3089\u306b\u5f37\u5316\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001\u516c\u5171Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u95a2\u9023\u3059\u308b\u30ea\u30b9\u30af\u3092\u8a8d\u8b58\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3057\u3070\u3057\u3070\u5b89\u5168\u3067\u306a\u304f\u3001\u653b\u6483\u8005\u304c\u305d\u308c\u3089\u3092\u4ecb\u3057\u3066\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u7c21\u5358\u306b\u508d\u53d7\u3067\u304d\u308b\u305f\u3081\u3067\u3059\u3002VPN\u3092\u4f7f\u7528\u3057\u3001\u516c\u5171Wi-Fi\u3067\u306e\u6a5f\u5bc6\u53d6\u5f15\u3092\u907f\u3051\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3057\u3001\u5b89\u5168\u306a\u95b2\u89a7\u4f53\u9a13\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u95b2\u89a7\u306f\u3001\u6697\u53f7\u5316\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u8b66\u6212\u5fc3\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u542b\u307f\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5b9f\u8df5\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u500b\u4eba\u60c5\u5831\u3092\u4fdd\u8b77\u3057\u3001\u307e\u3059\u307e\u3059\u63a5\u7d9a\u3055\u308c\u305f\u4e16\u754c\u3067\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c7\u30b8\u30bf\u30eb\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u91cd\u8981\u6027\u306f\u3001Sleep Token\u306eVessel\u306e\u6b63\u4f53\u3092\u5de1\u308b\u8b0e\u306e\u3088\u3046\u306b\u3001\u516c\u5171\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u4e16\u754c\u7684\u306a\u8b70\u8ad6\u306b\u306a\u308b\u5834\u5408\u306b\u7279\u306b\u95a2\u9023\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <a href=\"https:\/\/leofaulkner.net\/\">\u30ec\u30aa\u30fb\u30d5\u30a9\u30fc\u30af\u30ca\u30fc<\/a>? Sleep Token Vessel\u306e\u6b63\u4f53\u304c\u660e\u3089\u304b\u306b\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"data-protection-and-cybersecurity-measures\"><strong>\u30c7\u30fc\u30bf\u4fdd\u8b77\u3068\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/strong><\/h2>\n\n\n<p>\u30c7\u30b8\u30bf\u30eb\u901a\u4fe1\u304c\u666e\u53ca\u3059\u308b\u6642\u4ee3\u306b\u304a\u3044\u3066\u3001\u5805\u7262\u306a\u30c7\u30fc\u30bf\u4fdd\u8b77\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u30c7\u30fc\u30bf\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u79fb\u52d5\u3059\u308b\u969b\u3001\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30bf\u30fc\u306b\u3088\u3063\u3066\u508d\u53d7\u3055\u308c\u308b\u5371\u967a\u306b\u3055\u3089\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u52b9\u679c\u7684\u306a\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u306f\u3001\u6a5f\u5bc6\u60c5\u5831\u3092\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u30c7\u30fc\u30bf\u306e\u5b8c\u5168\u6027\u3068\u6a5f\u5bc6\u6027\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u6280\u8853\u7684\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3001\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3001\u304a\u3088\u3073\u30dd\u30ea\u30b7\u30fc\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u542b\u307e\u308c\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"network-security-and-encryption-protocols\"><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong><\/h3>\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u3042\u3089\u3086\u308b\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6226\u7565\u306e\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u30c7\u30fc\u30bf\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u9001\u4fe1\u3055\u308c\u308b\u969b\u306e\u5b8c\u5168\u6027\u3001\u6a5f\u5bc6\u6027\u3001\u304a\u3088\u3073\u53ef\u7528\u6027\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u8b1b\u3058\u3089\u308c\u308b\u5bfe\u7b56\u3092\u542b\u307f\u307e\u3059\u3002\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3001\u5e73\u6587\u30c7\u30fc\u30bf\u3092\u5fa9\u53f7\u30ad\u30fc\u3092\u6301\u305f\u306a\u3044\u8ab0\u306b\u3067\u3082\u8aad\u3081\u306a\u3044\u5f62\u5f0f\u306b\u5909\u63db\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u304c\u508d\u53d7\u3055\u308c\u305f\u5834\u5408\u3067\u3082\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304b\u3089\u5b89\u5168\u3067\u3042\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p>TLS\uff08Transport Layer Security\uff09\u3084SSL\uff08Secure Sockets Layer\uff09\u306a\u3069\u306e\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306e\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306b\u6697\u53f7\u5316\u30ea\u30f3\u30af\u3092\u78ba\u7acb\u3057\u3001\u4ea4\u63db\u3055\u308c\u308b\u30c7\u30fc\u30bf\u304c\u6a5f\u5bc6\u6027\u3092\u4fdd\u3061\u3001\u6539\u3056\u3093\u3055\u308c\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001IPsec\uff08Internet Protocol Security\uff09\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ec\u30d9\u30eb\u306e\u6697\u53f7\u5316\u3092\u63d0\u4f9b\u3057\u3001IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u79fb\u52d5\u3059\u308b\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"mobile-security\"><strong>\u30e2\u30d0\u30a4\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong><\/h3>\n\n\n<p>\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u30bf\u30d6\u30ec\u30c3\u30c8\u306e\u666e\u53ca\u306b\u4f34\u3044\u3001\u30e2\u30d0\u30a4\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u30c7\u30fc\u30bf\u4fdd\u8b77\u6226\u7565\u306e\u4e0d\u53ef\u6b20\u306a\u5074\u9762\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306f\u3057\u3070\u3057\u3070\u6a5f\u5bc6\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306e\u4e3b\u8981\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30e2\u30d0\u30a4\u30eb\u74b0\u5883\u306b\u5408\u308f\u305b\u305f\u5805\u7262\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u30e2\u30d0\u30a4\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u81ea\u4f53\u3001\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3001\u304a\u3088\u3073\u63a5\u7d9a\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u3092\u542b\u307f\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6697\u53f7\u5316\u3001\u5b89\u5168\u306a\u8a8d\u8a3c\u65b9\u6cd5\u3001\u5b9a\u671f\u7684\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u66f4\u65b0\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u3063\u3066\u9054\u6210\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u7ba1\u7406\uff08MDM\uff09\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u7d44\u7e54\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u3092\u5f37\u5236\u3057\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u4f7f\u7528\u3092\u76e3\u8996\u3057\u3066\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"frequently-asked-questions\"><strong>\u3088\u304f\u3042\u308b\u8cea\u554f<\/strong><\/h2>\n\n<h3 class=\"wp-block-heading\" id=\"what-internet-protocol-is-used-to-transmit-encrypted-data\"><strong>\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p>\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u8981\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306fTLS\uff08Transport Layer Security\uff09\u3067\u3059\u3002TLS\u306fSSL\uff08Secure Sockets Layer\uff09\u306e\u5f8c\u7d99\u3067\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306e\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u305f\u3081\u306e\u5b89\u5168\u306a\u30c1\u30e3\u30cd\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u8ee2\u9001\u4e2d\u306e\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3057\u3001\u6a5f\u5bc6\u6027\u3068\u5b8c\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"which-protocol-sends-encrypted-data\"><strong>\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3069\u308c\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p>\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u6700\u3082\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u306fTLS\uff08Transport Layer Security\uff09\u3067\u3059\u3002Web\u95b2\u89a7\u3001\u30e1\u30fc\u30eb\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u3001\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u4fdd\u8b77\u3057\u3001\u4e0d\u6b63\u306a\u5f53\u4e8b\u8005\u306b\u3088\u308b\u508d\u53d7\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"which-protocol-is-used-for-encryption\"><strong>\u6697\u53f7\u5316\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3069\u308c\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306b\u5fdc\u3058\u3066\u3001\u3044\u304f\u3064\u304b\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u6697\u53f7\u5316\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002TLS\uff08Transport Layer Security\uff09\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306e\u8ee2\u9001\u4e2d\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002IPsec\uff08Internet Protocol Security\uff09\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3067\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u3001AES\uff08Advanced Encryption Standard\uff09\u306a\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u4fdd\u5b58\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"is-aes256-still-considered-secure\"><strong>AES-256\u306f\u307e\u3060\u5b89\u5168\u3068\u898b\u306a\u3055\u308c\u307e\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p>\u306f\u3044\u3001AES-256\u306f\u307e\u3060\u5b89\u5168\u3068\u898b\u306a\u3055\u308c\u3066\u304a\u308a\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u306e\u6697\u53f7\u5316\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f256\u30d3\u30c3\u30c8\u306e\u30ad\u30fc\u9577\u3092\u4f7f\u7528\u3059\u308b\u5bfe\u79f0\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3042\u308a\u3001\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u306b\u5bfe\u3057\u3066\u975e\u5e38\u306b\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u3002AES-256\u306f\u7c73\u56fd\u56fd\u7acb\u6a19\u6e96\u6280\u8853\u7814\u7a76\u6240\uff08NIST\uff09\u306b\u3088\u3063\u3066\u627f\u8a8d\u3055\u308c\u3066\u304a\u308a\u3001\u6697\u53f7\u5316\u306e\u30b4\u30fc\u30eb\u30c9\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u3068\u898b\u306a\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"key-takeaways\"><strong>\u8981\u70b9<\/strong><\/h2>\n\n\n<p>\u30c7\u30b8\u30bf\u30eb\u6642\u4ee3\u306b\u304a\u3044\u3066\u3001\u30c7\u30fc\u30bf\u3092\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304b\u3089\u4fdd\u8b77\u3059\u308b\u3053\u3068\u306f\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306b\u91cd\u8981\u3067\u3059\u3002\u5805\u7262\u306a\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u4fdd\u8b77\u3092\u5927\u5e45\u306b\u5f37\u5316\u3057\u3001\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u5b89\u5168\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30e2\u30d0\u30a4\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073TLS\u3084AES\u306a\u3069\u306e\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u5305\u62ec\u7684\u306a\u30c7\u30fc\u30bf\u4fdd\u8b77\u6226\u7565\u306e\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u6700\u65b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5b9f\u8df5\u3068\u6280\u8853\u306b\u3064\u3044\u3066\u60c5\u5831\u3092\u5f97\u308b\u3053\u3068\u3067\u3001\u500b\u4eba\u3084\u7d44\u7e54\u306f\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u304b\u3089\u6a5f\u5bc6\u60c5\u5831\u3092\u3088\u308a\u52b9\u679c\u7684\u306b\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 (TLS) \u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u5b89\u5168\u306b\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u8981\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u3053\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u3067\u306f\u3001TLS\u3001HTTPS\u3001SSL\u8a3c\u660e\u66f8\u3001VPN\u3001\u304a\u3088\u3073AES\u306e\u3088\u3046\u306a\u6697\u53f7\u5316\u6a19\u6e96\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u901a\u4fe1\u4e2d\u306b\u6a5f\u5bc6\u60c5\u5831\u3092\u3069\u306e\u3088\u3046\u306b\u4fdd\u8b77\u3059\u308b\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>","protected":false},"author":3,"featured_media":5255,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[77,59,72,73,71,74,76,70,69,75],"class_list":["post-5252","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity","tag-aes-encryption","tag-cybersecurity","tag-data-encryption","tag-encrypted-data-transmission","tag-https","tag-network-security","tag-public-wifi-security","tag-tls-1-3","tag-transport-layer-security","tag-vpn-security","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Which Internet Protocol Is Used to Transmit Encrypted Data? A Complete Guide | Security Briefing<\/title>\n<meta name=\"description\" content=\"Transport Layer Security (TLS) is the primary internet protocol used to transmit encrypted data securely. This complete guide explains how TLS, HTTPS, SSL certificates, VPNs, and encryption standards like AES protect sensitive information during online communication.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/securitybriefing.net\/ja\/\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\/\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which Internet Protocol Is Used to Transmit Encrypted Data? A Complete Guide | Security Briefing\" \/>\n<meta property=\"og:description\" content=\"Transport Layer Security (TLS) is the primary internet protocol used to transmit encrypted data securely. This complete guide explains how TLS, HTTPS, SSL certificates, VPNs, and encryption standards like AES protect sensitive information during online communication.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/securitybriefing.net\/ja\/\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\/\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\/\" \/>\n<meta property=\"og:site_name\" content=\"Security Briefing\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-11T14:31:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-24T13:41:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-Internet-Protocol-Is-Used-to-Transmit-Encrypted-Data.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"C\u00e9sar Daniel Barreto\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"C\u00e9sar Daniel Barreto\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"24\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/\"},\"author\":{\"name\":\"C\u00e9sar Daniel Barreto\",\"@id\":\"https:\/\/securitybriefing.net\/#\/schema\/person\/164e5a0bfff5012ebfb8eb4d03c2c24c\"},\"headline\":\"Which Internet Protocol Is Used to Transmit Encrypted Data? A Complete Guide\",\"datePublished\":\"2026-02-11T14:31:02+00:00\",\"dateModified\":\"2026-02-24T13:41:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/\"},\"wordCount\":5374,\"publisher\":{\"@id\":\"https:\/\/securitybriefing.net\/#organization\"},\"image\":{\"@id\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-Internet-Protocol-Is-Used-to-Transmit-Encrypted-Data.jpg\",\"keywords\":[\"AES Encryption\",\"Cybersecurity\",\"Data Encryption\",\"Encrypted Data Transmission\",\"HTTPS\",\"Network Security\",\"Public WiFi Security\",\"TLS 1.3\",\"Transport Layer Security\",\"VPN Security\"],\"articleSection\":[\"cybersecurity\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/\",\"url\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/\",\"name\":\"Which Internet Protocol Is Used to Transmit Encrypted Data? A Complete Guide | Security Briefing\",\"isPartOf\":{\"@id\":\"https:\/\/securitybriefing.net\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-Internet-Protocol-Is-Used-to-Transmit-Encrypted-Data.jpg\",\"datePublished\":\"2026-02-11T14:31:02+00:00\",\"dateModified\":\"2026-02-24T13:41:11+00:00\",\"description\":\"Transport Layer Security (TLS) is the primary internet protocol used to transmit encrypted data securely. This complete guide explains how TLS, HTTPS, SSL certificates, VPNs, and encryption standards like AES protect sensitive information during online communication.\",\"breadcrumb\":{\"@id\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#primaryimage\",\"url\":\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-Internet-Protocol-Is-Used-to-Transmit-Encrypted-Data.jpg\",\"contentUrl\":\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-Internet-Protocol-Is-Used-to-Transmit-Encrypted-Data.jpg\",\"width\":1600,\"height\":800,\"caption\":\"Visual representation of encrypted data transmission using TLS and HTTPS protocols\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/securitybriefing.net\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Which Internet Protocol Is Used to Transmit Encrypted Data? A Complete Guide\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/securitybriefing.net\/#website\",\"url\":\"https:\/\/securitybriefing.net\/\",\"name\":\"Security Briefing\",\"description\":\"Read cybersecurity news, online safety guides, cyber threat updates, and use free security tools from Security Briefing.\",\"publisher\":{\"@id\":\"https:\/\/securitybriefing.net\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/securitybriefing.net\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/securitybriefing.net\/#organization\",\"name\":\"Security Briefing\",\"url\":\"https:\/\/securitybriefing.net\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/securitybriefing.net\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2023\/06\/security-briefing-logo-5.png\",\"contentUrl\":\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2023\/06\/security-briefing-logo-5.png\",\"width\":256,\"height\":70,\"caption\":\"Security Briefing\"},\"image\":{\"@id\":\"https:\/\/securitybriefing.net\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/securitybriefing.net\/#\/schema\/person\/164e5a0bfff5012ebfb8eb4d03c2c24c\",\"name\":\"C\u00e9sar Daniel Barreto\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/securitybriefing.net\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/9e709cab74f02e628ffc32849980d0ea51903be7d4bcb52e99250bac60f0b683?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/9e709cab74f02e628ffc32849980d0ea51903be7d4bcb52e99250bac60f0b683?s=96&d=mm&r=g\",\"caption\":\"C\u00e9sar Daniel Barreto\"},\"description\":\"C\u00e9sar Daniel Barreto is an esteemed cybersecurity writer and expert, known for his in-depth knowledge and ability to simplify complex cyber security topics. With extensive experience in network security and data protection, he regularly contributes insightful articles and analysis on the latest cybersecurity trends, educating both professionals and the public.\",\"url\":\"https:\/\/securitybriefing.net\/ja\/author\/cesarbarreto\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3069\u308c\u3067\u3059\u304b\uff1f\u5b8c\u5168\u30ac\u30a4\u30c9 | \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d6\u30ea\u30fc\u30d5\u30a3\u30f3\u30b0","description":"\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 (TLS) \u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u5b89\u5168\u306b\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u8981\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u3053\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u3067\u306f\u3001TLS\u3001HTTPS\u3001SSL\u8a3c\u660e\u66f8\u3001VPN\u3001\u304a\u3088\u3073AES\u306e\u3088\u3046\u306a\u6697\u53f7\u5316\u6a19\u6e96\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u901a\u4fe1\u4e2d\u306b\u6a5f\u5bc6\u60c5\u5831\u3092\u3069\u306e\u3088\u3046\u306b\u4fdd\u8b77\u3059\u308b\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/securitybriefing.net\/ja\/\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\/\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\/","og_locale":"ja_JP","og_type":"article","og_title":"Which Internet Protocol Is Used to Transmit Encrypted Data? A Complete Guide | Security Briefing","og_description":"Transport Layer Security (TLS) is the primary internet protocol used to transmit encrypted data securely. This complete guide explains how TLS, HTTPS, SSL certificates, VPNs, and encryption standards like AES protect sensitive information during online communication.","og_url":"https:\/\/securitybriefing.net\/ja\/\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\/\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\/","og_site_name":"Security Briefing","article_published_time":"2026-02-11T14:31:02+00:00","article_modified_time":"2026-02-24T13:41:11+00:00","og_image":[{"width":1600,"height":800,"url":"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-Internet-Protocol-Is-Used-to-Transmit-Encrypted-Data.jpg","type":"image\/jpeg"}],"author":"C\u00e9sar Daniel Barreto","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"C\u00e9sar Daniel Barreto","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"24\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#article","isPartOf":{"@id":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/"},"author":{"name":"C\u00e9sar Daniel Barreto","@id":"https:\/\/securitybriefing.net\/#\/schema\/person\/164e5a0bfff5012ebfb8eb4d03c2c24c"},"headline":"Which Internet Protocol Is Used to Transmit Encrypted Data? A Complete Guide","datePublished":"2026-02-11T14:31:02+00:00","dateModified":"2026-02-24T13:41:11+00:00","mainEntityOfPage":{"@id":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/"},"wordCount":5374,"publisher":{"@id":"https:\/\/securitybriefing.net\/#organization"},"image":{"@id":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-Internet-Protocol-Is-Used-to-Transmit-Encrypted-Data.jpg","keywords":["AES Encryption","Cybersecurity","Data Encryption","Encrypted Data Transmission","HTTPS","Network Security","Public WiFi Security","TLS 1.3","Transport Layer Security","VPN Security"],"articleSection":["cybersecurity"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/","url":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/","name":"\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3069\u308c\u3067\u3059\u304b\uff1f\u5b8c\u5168\u30ac\u30a4\u30c9 | \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d6\u30ea\u30fc\u30d5\u30a3\u30f3\u30b0","isPartOf":{"@id":"https:\/\/securitybriefing.net\/#website"},"primaryImageOfPage":{"@id":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#primaryimage"},"image":{"@id":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-Internet-Protocol-Is-Used-to-Transmit-Encrypted-Data.jpg","datePublished":"2026-02-11T14:31:02+00:00","dateModified":"2026-02-24T13:41:11+00:00","description":"\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 (TLS) \u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u5b89\u5168\u306b\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u8981\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u3053\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u3067\u306f\u3001TLS\u3001HTTPS\u3001SSL\u8a3c\u660e\u66f8\u3001VPN\u3001\u304a\u3088\u3073AES\u306e\u3088\u3046\u306a\u6697\u53f7\u5316\u6a19\u6e96\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u901a\u4fe1\u4e2d\u306b\u6a5f\u5bc6\u60c5\u5831\u3092\u3069\u306e\u3088\u3046\u306b\u4fdd\u8b77\u3059\u308b\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002.","breadcrumb":{"@id":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#primaryimage","url":"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-Internet-Protocol-Is-Used-to-Transmit-Encrypted-Data.jpg","contentUrl":"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-Internet-Protocol-Is-Used-to-Transmit-Encrypted-Data.jpg","width":1600,"height":800,"caption":"Visual representation of encrypted data transmission using TLS and HTTPS protocols"},{"@type":"BreadcrumbList","@id":"https:\/\/securitybriefing.net\/cybersecurity\/which-internet-protocol-is-used-to-transmit-encrypted-data-a-complete-guide\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/securitybriefing.net\/"},{"@type":"ListItem","position":2,"name":"Which Internet Protocol Is Used to Transmit Encrypted Data? A Complete Guide"}]},{"@type":"WebSite","@id":"https:\/\/securitybriefing.net\/#website","url":"https:\/\/securitybriefing.net\/","name":"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d6\u30ea\u30fc\u30d5\u30a3\u30f3\u30b0","description":"Read cybersecurity news, online safety guides, cyber threat updates, and use free security tools from Security Briefing.","publisher":{"@id":"https:\/\/securitybriefing.net\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/securitybriefing.net\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/securitybriefing.net\/#organization","name":"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d6\u30ea\u30fc\u30d5\u30a3\u30f3\u30b0","url":"https:\/\/securitybriefing.net\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/securitybriefing.net\/#\/schema\/logo\/image\/","url":"https:\/\/securitybriefing.net\/wp-content\/uploads\/2023\/06\/security-briefing-logo-5.png","contentUrl":"https:\/\/securitybriefing.net\/wp-content\/uploads\/2023\/06\/security-briefing-logo-5.png","width":256,"height":70,"caption":"Security Briefing"},"image":{"@id":"https:\/\/securitybriefing.net\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/securitybriefing.net\/#\/schema\/person\/164e5a0bfff5012ebfb8eb4d03c2c24c","name":"\u30bb\u30b5\u30eb\u30fb\u30c0\u30cb\u30a8\u30eb\u30fb\u30d0\u30ec\u30c3\u30c8","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/securitybriefing.net\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/9e709cab74f02e628ffc32849980d0ea51903be7d4bcb52e99250bac60f0b683?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/9e709cab74f02e628ffc32849980d0ea51903be7d4bcb52e99250bac60f0b683?s=96&d=mm&r=g","caption":"C\u00e9sar Daniel Barreto"},"description":"C\u00e9sar Daniel Barreto\u306f\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30e9\u30a4\u30bf\u30fc\u3067\u3042\u308a\u5c02\u9580\u5bb6\u3068\u3057\u3066\u5c0a\u656c\u3092\u96c6\u3081\u3066\u304a\u308a\u3001\u305d\u306e\u6df1\u3044\u77e5\u8b58\u3068\u8907\u96d1\u306a\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30c8\u30d4\u30c3\u30af\u3092\u5358\u7d14\u5316\u3059\u308b\u80fd\u529b\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30c7\u30fc\u30bf\u4fdd\u8b77\u306e\u5206\u91ce\u3067\u8c4a\u5bcc\u306a\u7d4c\u9a13\u3092\u6301\u3061\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u6700\u65b0\u52d5\u5411\u306b\u95a2\u3059\u308b\u6d1e\u5bdf\u306b\u6e80\u3061\u305f\u8a18\u4e8b\u3084\u5206\u6790\u3092\u5b9a\u671f\u7684\u306b\u5bc4\u7a3f\u3057\u3001\u5c02\u9580\u5bb6\u3068\u4e00\u822c\u5e02\u6c11\u306e\u4e21\u65b9\u3092\u6559\u80b2\u3057\u3066\u3044\u308b\u3002","url":"https:\/\/securitybriefing.net\/ja\/author\/cesarbarreto\/"}]}},"_links":{"self":[{"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/posts\/5252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/comments?post=5252"}],"version-history":[{"count":3,"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/posts\/5252\/revisions"}],"predecessor-version":[{"id":5492,"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/posts\/5252\/revisions\/5492"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/media\/5255"}],"wp:attachment":[{"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/media?parent=5252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/categories?post=5252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/securitybriefing.net\/ja\/wp-json\/wp\/v2\/tags?post=5252"}],"curies":[{"name":"\u30ef\u30fc\u30c9\u30d7\u30ec\u30b9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}