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class=\"wp-block-heading\" id=\"navigating-public-wifi-in-2026-whats-changed-and-what-hasnt\">2026\u5e74\u306e\u516c\u5171Wi-Fi\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\uff1a\u5909\u308f\u3063\u305f\u3053\u3068\uff08\u305d\u3057\u3066\u5909\u308f\u3089\u306a\u3044\u3053\u3068\uff09<\/h2>\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Navigating-Public-WiFi-in-2026-1024x576.jpg\" alt=\"2026\u5e74\u306e\u516c\u5171Wi-Fi\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\" class=\"wp-image-5212\" srcset=\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Navigating-Public-WiFi-in-2026-1024x576.jpg 1024w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Navigating-Public-WiFi-in-2026-300x169.jpg 300w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Navigating-Public-WiFi-in-2026-768x432.jpg 768w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Navigating-Public-WiFi-in-2026-1536x864.jpg 1536w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Navigating-Public-WiFi-in-2026-18x10.jpg 18w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Navigating-Public-WiFi-in-2026-1568x882.jpg 1568w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Navigating-Public-WiFi-in-2026.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30ab\u30d5\u30a7\u3001\u7a7a\u6e2f\u3001\u30db\u30c6\u30eb\u3001\u56f3\u66f8\u9928\u3001\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30bb\u30f3\u30bf\u30fc\u3001\u4ea4\u901a\u30cf\u30d6\u306e\u516c\u5171Wi-Fi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u5171\u6709\u3057\u3001\u3057\u3070\u3057\u3070\u76e3\u8996\u304c\u4e0d\u5341\u5206\u3067\u3001\u983b\u7e41\u306b\u8aa4\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u53e4\u304f\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u9b45\u529b\u7684\u306a\u30bf\u30fc\u30b2\u30c3\u30c8\u3067\u3042\u308a\u7d9a\u3051\u307e\u3059\u3002\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8105\u5a01\u306f\u3001\u540c\u3058\u516c\u5171Wi-Fi\u306b\u63a5\u7d9a\u3057\u3066\u3044\u308b\u30cf\u30c3\u30ab\u30fc\u304c\u5f31\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5229\u7528\u3057\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u508d\u53d7\u3057\u305f\u308a\u3001\u6697\u53f7\u5316\u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u308a\u3001\u60aa\u610f\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6ce8\u5165\u3057\u305f\u308a\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u30af\u30c3\u30ad\u30fc\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u74b0\u5883\u3067\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u306f\u3001\u3053\u3046\u3057\u305f\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u73fe\u4ee3\u306e\u30c7\u30d0\u30a4\u30b9\u306f10\u5e74\u524d\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u305f\u3082\u306e\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u5b89\u5168\u3067\u3059\u304c\u3001\u516c\u5171\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6839\u672c\u7684\u306a\u30ea\u30b9\u30af\u306f\u6d88\u3048\u3066\u3044\u307e\u305b\u3093\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3057\u3070\u3057\u3070\u6700\u5c0f\u9650\u3067\u3001\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306f\u5f31\u304f\u3001\u7ba1\u7406\u8005\u306f\u60aa\u610f\u306e\u3042\u308b\u6d3b\u52d5\u3092\u7a4d\u6975\u7684\u306b\u76e3\u8996\u3057\u3066\u3044\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u306e\u69cb\u9020\u7684\u306a\u5f31\u70b9\u306b\u3088\u308a\u3001\u516c\u5171Wi-Fi\u306f\u4fe1\u983c\u3067\u304d\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u306f\u6839\u672c\u7684\u306b\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u540c\u6642\u306b\u3001\u91cd\u8981\u306a\u6539\u5584\u304c\u884c\u308f\u308c\u307e\u3057\u305f\u3002\u307b\u3068\u3093\u3069\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067HTTPS\u3092\u5f37\u5236\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u5b89\u5168\u3067\u306a\u3044\u30da\u30fc\u30b8\u306b\u3064\u3044\u3066\u30e6\u30fc\u30b6\u30fc\u306b\u8b66\u544a\u3057\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u7d44\u307f\u8fbc\u307f\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5909\u66f4\u306b\u3088\u308a\u57fa\u672c\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5411\u4e0a\u3057\u307e\u3057\u305f\u304c\u3001\u7279\u306b\u6a5f\u5bc6\u30c7\u30fc\u30bf\u304c\u95a2\u4e0e\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u304c\u4e0d\u8981\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p><a href=\"https:\/\/securitybriefing.net\/cybersecurity\/cybersecurity-incidents-cost-more-than-you-think-planning-for-the-financial-impact\/\">\u591a\u304f\u306e\u30c7\u30fc\u30bf\u4fb5\u5bb3\u4e8b\u4ef6<\/a> \u304c\u516c\u5171Wi-Fi\u306b\u95a2\u9023\u3057\u3066\u767a\u751f\u3059\u308b\u306e\u306f\u3001\u6697\u53f7\u5316\u304c\u6b20\u5982\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5b89\u5168\u3067\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u9ad8\u30ea\u30b9\u30af\u306e\u884c\u52d5\u3092\u3068\u308b\u305f\u3081\u3067\u3059\u3002\u9280\u884c\u696d\u52d9\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u30ea\u30bb\u30c3\u30c8\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u56de\u5fa9\u3001\u8eab\u5143\u78ba\u8a8d\u3001\u7ba1\u7406\u30a2\u30af\u30bb\u30b9\u306f\u3001\u3053\u308c\u3089\u306e\u74b0\u5883\u3067\u306f\u7279\u306b\u8106\u5f31\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u304b\u3089\u3001\u516c\u5171Wi-Fi\u3067\u6700\u3082\u5f31\u3044\u30dd\u30a4\u30f3\u30c8\u306f\u3057\u3070\u3057\u3070\u30e6\u30fc\u30b6\u30fc\u306e\u610f\u601d\u6c7a\u5b9a\u3067\u3059\u3002\u5b89\u5168\u306a\u63a5\u7d9a\u304c\u5fc5\u8981\u306a\u3068\u304d\u3001\u884c\u52d5\u3092\u9045\u3089\u305b\u308b\u3079\u304d\u3068\u304d\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5207\u308a\u66ff\u3048\u308b\u3079\u304d\u3068\u304d\u3092\u77e5\u308b\u3053\u3068\u306f\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u7dad\u6301\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n\n\n\n<p>2026\u5e74\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u30d1\u30cb\u30c3\u30af\u3067\u306f\u306a\u304f\u3001\u5c64\u72b6\u306e\u9632\u5fa1\u306b\u3064\u3044\u3066\u3067\u3059\u3002\u516c\u5171Wi-Fi\u306f\u3001\u305d\u306e\u5236\u9650\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306a\u4fdd\u8b77\u3092\u4e00\u8cab\u3057\u3066\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u5b89\u5168\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"whats-relatively-safe-vs-unsafe-on-public-wifi\">\u516c\u5171Wi-Fi\u4e0a\u3067\u306e\u6bd4\u8f03\u7684\u5b89\u5168\u306a\u3082\u306e\u3068\u4e0d\u5b89\u5168\u306a\u3082\u306e<\/h2>\n\n\n<p>\u3059\u3079\u3066\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u6d3b\u52d5\u304c\u516c\u5171Wi-Fi\u4e0a\u3067\u540c\u3058\u30ec\u30d9\u30eb\u306e\u30ea\u30b9\u30af\u3092\u6301\u3064\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f55\u304c\u8a31\u5bb9\u3055\u308c\u308b\u304b\u3092\u5224\u65ad\u3059\u308b\u306b\u306f\u3001\u305d\u306e\u6d3b\u52d5\u304c\u8a8d\u8a3c\u3001\u652f\u6255\u3044\u3001\u500b\u4eba\u8b58\u5225\u5b50\u3001\u307e\u305f\u306f\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u542b\u3080\u304b\u3069\u3046\u304b\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u539f\u5247\u3068\u5b89\u5168\u306a\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u7fd2\u6163\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u3053\u308c\u3089\u306e\u533a\u5225\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p><p>\u4f4e\u30ea\u30b9\u30af\u306e\u6d3b\u52d5\u306f\u4e00\u822c\u7684\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u53d7\u52d5\u7684\u306a\u6d88\u8cbb\u3092\u4f34\u3044\u3001\u9ad8\u30ea\u30b9\u30af\u306e\u884c\u52d5\u306f\u30a2\u30ab\u30a6\u30f3\u30c8\u3001\u30b7\u30b9\u30c6\u30e0\u3001\u307e\u305f\u306f\u8ca1\u52d9\u60c5\u5831\u3068\u306e\u3084\u308a\u53d6\u308a\u3092\u4f34\u3044\u307e\u3059\u3002\u76ee\u6a19\u306f\u516c\u5171Wi-Fi\u306e\u4f7f\u7528\u3092\u5b8c\u5168\u306b\u6392\u9664\u3059\u308b\u3053\u3068\u3067\u306f\u306a\u304f\u3001\u5229\u7528\u53ef\u80fd\u306a\u4fdd\u8b77\u30ec\u30d9\u30eb\u306b\u884c\u52d5\u3092\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3059\u3002.<\/p><\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"essential-wifi-safety-tips\">\u5fc5\u8981\u306aWi-Fi\u5b89\u5168\u5bfe\u7b56<\/h2>\n\n\n<p>\u516c\u5171Wi-Fi\u3092\u5b89\u5168\u306b\u30ca\u30d3\u30b2\u30fc\u30c8\u3059\u308b\u306b\u306f\u3001\u30ea\u30b9\u30af\u306e\u3042\u308b\u6d3b\u52d5\u3092\u907f\u3051\u308b\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002\u8ce2\u660e\u306a\u5b9f\u8df5\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u3001\u8105\u5a01\u3078\u306e\u9732\u51fa\u3092\u5927\u5e45\u306b\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5e38\u306b\u30c7\u30d0\u30a4\u30b9\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u6709\u52b9\u306b\u3057\u3001\u65e2\u77e5\u306e\u8106\u5f31\u6027\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3061\u307e\u3057\u3087\u3046\u3002.<\/p>\n\n\n\n<p><strong>\u30d2\u30f3\u30c8\uff1a<\/strong> \u30c7\u30d0\u30a4\u30b9\u306e\u81ea\u52d5\u63a5\u7d9a\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3057\u3066\u3001\u6f5c\u5728\u7684\u306b\u60aa\u610f\u306e\u3042\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u81ea\u52d5\u7684\u306b\u63a5\u7d9a\u3055\u308c\u308b\u306e\u3092\u9632\u304e\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001Wi-Fi\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u65bd\u8a2d\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u540d\u3092\u78ba\u8a8d\u3059\u308b\u7fd2\u6163\u3092\u3064\u3051\u3001\u507d\u306e\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u306b\u63a5\u7d9a\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002.<\/p>\n\n\n\n<p>\u53ef\u80fd\u306a\u9650\u308a <a href=\"https:\/\/securitybriefing.net\/ja\/%e3%83%96%e3%82%a4%e3%83%94%e3%83%bc%e3%82%a8%e3%83%8c\/vpn-101\/\">\u30d0\u30fc\u30c1\u30e3\u30eb\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08VPN\uff09<\/a> \u3092\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046\u3002VPN\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u3001\u653b\u6483\u8005\u304c\u30c7\u30fc\u30bf\u3092\u508d\u53d7\u3059\u308b\u306e\u3092\u975e\u5e38\u306b\u56f0\u96e3\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u7279\u306b\u6a5f\u5bc6\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u3001\u53d6\u5f15\u3092\u884c\u3063\u305f\u308a\u3059\u308b\u969b\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/VPN-1024x576.jpg\" alt=\"\u30d0\u30fc\u30c1\u30e3\u30eb\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08VPN\uff09 \" class=\"wp-image-5205\" srcset=\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/VPN-1024x576.jpg 1024w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/VPN-300x169.jpg 300w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/VPN-768x432.jpg 768w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/VPN-1536x864.jpg 1536w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/VPN-18x10.jpg 18w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/VPN-1568x882.jpg 1568w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/VPN.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>\u4f8b<\/strong> \u30ab\u30d5\u30a7\u3067\u4f5c\u696d\u3059\u308b\u969b\u306f\u3001\u4ed5\u4e8b\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u524d\u306bVPN\u306b\u63a5\u7d9a\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d3\u30b8\u30cd\u30b9\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306b\u4fdd\u305f\u308c\u308b\u305f\u3081\u306e\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c64\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"public-wifi-safety-table-2026\">\u516c\u5171Wi-Fi\u5b89\u5168\u30c6\u30fc\u30d6\u30eb\uff082026\u5e74\uff09<\/h3>\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6d3b\u52d5 \/ \u30b7\u30ca\u30ea\u30aa<\/th><th>\u3053\u308c\u3092\u884c\u3046\u3068\u3088\u308a\u5b89\u5168<\/th><th>\u3053\u308c\u3092\u884c\u3046\u3068\u4e0d\u5b89\u5168<\/th><\/tr><\/thead><tbody><tr><td>\u30cb\u30e5\u30fc\u30b9\u3084\u30d6\u30ed\u30b0\u3092\u8aad\u3080<\/td><td>HTTPS\u5f37\u5236\u3001VPN\u4f7f\u7528\u3001\u5b89\u5168\u306a\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u7fd2\u6163<\/td><td>\u30d7\u30ec\u30fc\u30f3HTTP\u30b5\u30a4\u30c8\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6<\/td><\/tr><tr><td>\u30d3\u30c7\u30aa\u3084\u97f3\u697d\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0<\/td><td>\u6697\u53f7\u5316\u3055\u308c\u305f\u30a2\u30d7\u30ea\u3001VPN\u6709\u52b9<\/td><td>\u30a2\u30ab\u30a6\u30f3\u30c8\u3084\u652f\u6255\u3044\u306e\u5909\u66f4<\/td><\/tr><tr><td>\u30e1\u30fc\u30eb\u30a2\u30af\u30bb\u30b9<\/td><td>\u307e\u305aVPN\u3001HTTPS\u3001\u30a2\u30d7\u30ea\u30d9\u30fc\u30b9\u306e\u8a8d\u8a3c<\/td><td>\u4fdd\u8b77\u306a\u3057\u3067\u306e\u30d6\u30e9\u30a6\u30b6\u30ed\u30b0\u30a4\u30f3<\/td><\/tr><tr><td>\u30aa\u30f3\u30e9\u30a4\u30f3\u30d0\u30f3\u30ad\u30f3\u30b0\u3084\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0<\/td><td>\u30e2\u30d0\u30a4\u30eb\u30c7\u30fc\u30bf\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\u907f\u3051\u3089\u308c\u306a\u3044\u5834\u5408\u306fVPN\u3068\u6697\u53f7\u5316<\/td><td>\u30aa\u30fc\u30d7\u30f3Wi-Fi\u3067\u306e\u30ab\u30fc\u30c9\u60c5\u5831\u5165\u529b<\/td><\/tr><tr><td>\u4ed5\u4e8b\u7528VPN\u307e\u305f\u306f\u7ba1\u7406\u8005\u30a2\u30af\u30bb\u30b9<\/td><td>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30baVPN\u3001\u53b3\u683c\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5236\u5fa1<\/td><td>\u516c\u5171Wi-Fi\u7d4c\u7531\u3067\u306e\u76f4\u63a5\u30a2\u30af\u30bb\u30b9<\/td><\/tr><tr><td>\u30d5\u30a1\u30a4\u30eb\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/td><td>\u516c\u5f0f\u30bd\u30fc\u30b9\u3001\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u304c\u30a2\u30af\u30c6\u30a3\u30d6<\/td><td>\u6d77\u8cca\u7248\u307e\u305f\u306f\u4e0d\u660e\u306a\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/td><\/tr><tr><td>\u5730\u56f3\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3001\u53c2\u7167\u30c1\u30a7\u30c3\u30af<\/td><td>HTTPS\u30a2\u30d7\u30ea\u3001\u30ed\u30b0\u30a4\u30f3\u306a\u3057<\/td><td>\u30dd\u30fc\u30bf\u30eb\u3067\u306e\u500b\u4eba\u60c5\u5831\u5165\u529b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5b9f\u969b\u306b\u306f\u30012026\u5e74\u306e\u516c\u5171Wi-Fi\u306e\u5b89\u5168\u6027\u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30c1\u30e3\u30cd\u30eb\u3001\u8eab\u5143\u78ba\u8a8d\u3001\u898f\u5f8b\u3042\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30af\u30bb\u30b9\u3092\u901a\u3058\u3066\u5b89\u5168\u306a\u63a5\u7d9a\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u4e0d\u5b89\u5168\u306a\u884c\u52d5\u306f\u901a\u5e38\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3001\u9280\u884c\u8cc7\u683c\u60c5\u5831\u3001\u307e\u305f\u306f\u8a8d\u8a3c\u30c8\u30fc\u30af\u30f3\u3092\u5b89\u5168\u3067\u306a\u3044\u516c\u5171\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u9001\u4fe1\u3059\u308b\u3053\u3068\u3092\u4f34\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u5b89\u5168\u306a\u5b9f\u8df5\u306f\u514d\u75ab\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u9732\u51fa\u3092\u5287\u7684\u306b\u6e1b\u5c11\u3055\u305b\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7fd2\u6163\u3092\u4e00\u8cab\u3057\u3066\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u516c\u5171Wi-Fi\u3092\u9ad8\u30ea\u30b9\u30af\u306e\u74b0\u5883\u304b\u3089\u3001\u9650\u3089\u308c\u305f\u30aa\u30f3\u30e9\u30a4\u30f3\u6d3b\u52d5\u306b\u5bfe\u3057\u3066\u7ba1\u7406\u53ef\u80fd\u306a\u3082\u306e\u306b\u5909\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"updated-public-wifi-risks-in-2026\">2026\u5e74\u306b\u304a\u3051\u308b\u66f4\u65b0\u3055\u308c\u305f\u516c\u5171Wi-Fi\u30ea\u30b9\u30af<\/h2>\n\n\n<p>Wi-Fi\u306e\u30ea\u30b9\u30af\u306f\u6d88\u6ec5\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u653b\u6483\u6280\u8853\u306f\u3001\u7279\u306b\u516c\u5171Wi-Fi\u304c\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u3001\u76e3\u67fb\u3055\u308c\u308b\u3053\u3068\u304c\u5c11\u306a\u3044\u9ad8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5834\u6240\u3067\u3001\u30b9\u30b1\u30fc\u30eb\u3067\u5c55\u958b\u3059\u308b\u306e\u304c\u5bb9\u6613\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u8105\u5a01\u306b\u306f\u3001\u6b63\u5f53\u306a\u516c\u5171\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u6a21\u5023\u3059\u308b\u507d\u306e\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u307e\u305f\u306f\u5909\u66f4\u3059\u308b\u508d\u53d7\u653b\u6483\u3001\u6697\u53f7\u5316\u306e\u5f37\u5236\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3001\u76d7\u307e\u308c\u305f\u30af\u30c3\u30ad\u30fc\u3092\u4ecb\u3057\u305f\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3001\u59a5\u5354\u3057\u305f\u30eb\u30fc\u30bf\u30fc\u3092\u901a\u3058\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u6ce8\u5165\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u540c\u3058\u516c\u5171Wi-Fi\u4e0a\u306e\u7b2c\u4e8c\u306e\u30cf\u30c3\u30ab\u30fc\u304c\u76ee\u7acb\u305f\u305a\u306b\u64cd\u4f5c\u3057\u3001\u8cc7\u683c\u60c5\u5831\u3092\u53ce\u96c6\u3057\u305f\u308a\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u76e3\u8996\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30ea\u30b9\u30af\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u306b\u3088\u3063\u3066\u5897\u5e45\u3055\u308c\u307e\u3059\u3002\u591a\u304f\u306e\u4eba\u3005\u306f\u3001\u76ee\u306b\u898b\u3048\u308b\u63a5\u7d9a\u6027\u304c\u5b89\u5168\u6027\u3092\u610f\u5473\u3059\u308b\u3068\u4eee\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u516c\u5171Wi-Fi\u306f\u76e3\u8996\u3001\u4fb5\u5165\u691c\u77e5\u3001\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u6b20\u3051\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u4fdd\u8b77\u306e\u5931\u6557\u3084\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4fb5\u5bb3\u3078\u306e\u9732\u51fa\u304c\u5897\u52a0\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u304b\u3089\u3001\u516c\u5171Wi-Fi\u306f\u5e38\u306b\u6575\u5bfe\u7684\u306a\u74b0\u5883\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3079\u304d\u3067\u3059\u3002\u76ee\u6a19\u306f\u6050\u6016\u3067\u306f\u306a\u304f\u3001\u610f\u8b58\u3068\u6e96\u5099\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c02\u9580\u5bb6\u306f\u4e00\u8cab\u3057\u3066\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308a\u3001\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u306a\u3044\u3068\u5f37\u8abf\u3057\u3066\u3044\u307e\u3059\u3002\u516c\u5171\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4f7f\u7528\u306f\u3001\u7279\u306b\u653b\u6483\u8005\u304c\u9632\u5fa1\u306e\u6539\u5584\u306b\u9069\u5fdc\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306e\u7d99\u7d9a\u7684\u306a\u8a55\u4fa1\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"understanding-wifi-vulnerabilities-in-2026\">2026\u5e74\u306b\u304a\u3051\u308bWi-Fi\u306e\u8106\u5f31\u6027\u306e\u7406\u89e3<\/h2>\n\n\n<p>Wi-Fi\u306e\u8106\u5f31\u6027\u306f\u3001\u516c\u5171\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u6700\u3082\u91cd\u8981\u306a\u5f31\u70b9\u306e1\u3064\u3067\u3042\u308a\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002\u4e2d\u9593\u8005\u653b\u6483\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u30c7\u30d0\u30a4\u30b9\u3068\u30eb\u30fc\u30bf\u30fc\u9593\u306e\u901a\u4fe1\u3092\u508d\u53d7\u3057\u3001\u5b89\u5168\u306a\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u3068\u30aa\u30f3\u30e9\u30a4\u30f3\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u640d\u306a\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u4e0d\u6b63\u306a\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306f\u6301\u7d9a\u7684\u306a\u8105\u5a01\u3092\u8868\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u507d\u306e\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u306f\u6b63\u5f53\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u540d\u3092\u6a21\u5023\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u63a5\u7d9a\u3055\u305b\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u5ea6\u63a5\u7d9a\u3055\u308c\u308b\u3068\u3001\u653b\u6483\u8005\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u53ef\u8996\u5316\u3057\u3001\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u53e4\u3044\u30eb\u30fc\u30bf\u30fc\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u5f31\u3044\u6697\u53f7\u5316\u6a19\u6e96\u3001\u8ca7\u5f31\u306a\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u8cc7\u683c\u60c5\u5831\u306f\u3059\u3079\u3066Wi-Fi\u306e\u8106\u5f31\u6027\u306b\u5bc4\u4e0e\u3057\u3066\u3044\u307e\u3059\u3002VPN\u306e\u4f7f\u7528\u3001\u73fe\u4ee3\u306e\u6697\u53f7\u5316\u3001\u66f4\u65b0\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u3001\u9732\u51fa\u3092\u6e1b\u5c11\u3055\u305b\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u500b\u4eba\u306e\u30e2\u30d0\u30a4\u30eb\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u307b\u3068\u3093\u3069\u306e\u516c\u5171Wi-Fi\u74b0\u5883\u3088\u308a\u3082\u5f37\u529b\u306a\u30c7\u30fc\u30bf\u4fdd\u8b77\u3092\u5099\u3048\u305f\u5236\u5fa1\u3055\u308c\u305f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u7279\u306b\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u6271\u3063\u305f\u308a\u3001\u91cd\u8981\u306a\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u3059\u308b\u969b\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u65c5\u884c\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30ef\u30fc\u30af\u3001\u67d4\u8edf\u306a\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u306e\u62e1\u5927\u306f\u3001\u516c\u5171Wi-Fi\u3078\u306e\u4f9d\u5b58\u3092\u5897\u52a0\u3055\u305b\u7d9a\u3051\u3066\u304a\u308a\u3001\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u306b\u95a2\u3059\u308b\u6559\u80b2\u304c\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306b\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"essential-protection-in-2026-vpn-encryption-and-authentication\">2026\u5e74\u306e\u5fc5\u9808\u4fdd\u8b77\uff1aVPN\u3001\u6697\u53f7\u5316\u3001\u8a8d\u8a3c<\/h2>\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Essential-Protection-in-2026-VPN-Encryption-and-Authentication-1024x576.jpg\" alt=\"2026\u5e74\u306e\u5fc5\u9808\u4fdd\u8b77\uff1aVPN\u3001\u6697\u53f7\u5316\u3001\u8a8d\u8a3c\" class=\"wp-image-5213\" srcset=\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Essential-Protection-in-2026-VPN-Encryption-and-Authentication-1024x576.jpg 1024w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Essential-Protection-in-2026-VPN-Encryption-and-Authentication-300x169.jpg 300w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Essential-Protection-in-2026-VPN-Encryption-and-Authentication-768x432.jpg 768w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Essential-Protection-in-2026-VPN-Encryption-and-Authentication-1536x864.jpg 1536w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Essential-Protection-in-2026-VPN-Encryption-and-Authentication-18x10.jpg 18w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Essential-Protection-in-2026-VPN-Encryption-and-Authentication-1568x882.jpg 1568w, https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Essential-Protection-in-2026-VPN-Encryption-and-Authentication.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>VPN\u306f\u30c7\u30d0\u30a4\u30b9\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u9593\u306b\u6697\u53f7\u5316\u3055\u308c\u305f\u30c8\u30f3\u30cd\u30eb\u3092\u4f5c\u6210\u3057\u3001\u516c\u5171Wi-Fi\u4e0a\u3067\u306e\u30ed\u30fc\u30ab\u30eb\u508d\u53d7\u304b\u3089\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002VPN\u306e\u4f7f\u7528\u306f\u3001\u30c7\u30fc\u30bf\u4fdd\u8b77\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u6700\u3082\u52b9\u679c\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e1\u3064\u3067\u3042\u308a\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u6697\u53f7\u5316\u3001\u5b89\u5168\u306a\u63a5\u7d9a\u30d7\u30ed\u30c8\u30b3\u30eb\u3001HTTPS\u306e\u5f37\u5236\u306f\u3001\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u57fa\u76e4\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6280\u8853\u306f\u3001\u516c\u5171\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u3082\u3001\u9001\u4fe1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u4e0d\u6b63\u306a\u5f53\u4e8b\u8005\u306b\u8aad\u307e\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u8a8d\u8a3c\u3082\u540c\u69d8\u306b\u91cd\u8981\u3067\u3059\u3002\u30e6\u30cb\u30fc\u30af\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3001\u304a\u3088\u3073\u591a\u8981\u7d20\u8a8d\u8a3c\u306f\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u4e57\u3063\u53d6\u308a\u306e\u30ea\u30b9\u30af\u3092\u5287\u7684\u306b\u6e1b\u5c11\u3055\u305b\u307e\u3059\u3002.<\/p>\n\n\n\n<p>VPN\u306f\u5358\u72ec\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u3001\u5c64\u72b6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6226\u7565\u306e\u4e00\u90e8\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3079\u304d\u3067\u3059\u3002VPN\u306e\u4f7f\u7528\u3092\u6697\u53f7\u5316\u3001\u898f\u5f8b\u3042\u308b\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u884c\u52d5\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u610f\u8b58\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u6700\u3082\u5f37\u529b\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" 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id=\"realworld-examples-of-safer-public-wifi-use-in-2026\">2026\u5e74\u306b\u304a\u3051\u308b\u516c\u5171Wi-Fi\u306e\u3088\u308a\u5b89\u5168\u306a\u4f7f\u7528\u306e\u5b9f\u4f8b<\/h2>\n\n\n<p>\u7a7a\u6e2f\u30e9\u30a6\u30f3\u30b8\u3067\u306f\u3001\u516c\u5171Wi-Fi\u306e\u3088\u308a\u5b89\u5168\u306a\u4f7f\u7528\u306b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u540d\u306e\u78ba\u8a8d\u3001\u81ea\u52d5\u63a5\u7d9a\u306e\u7121\u52b9\u5316\u3001VPN\u306e\u6709\u52b9\u5316\u3001\u975e\u6a5f\u5bc6\u306e\u30e1\u30fc\u30eb\u3084\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u30bf\u30b9\u30af\u306b\u9650\u5b9a\u3059\u308b\u3053\u3068\u304c\u542b\u307e\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30db\u30c6\u30eb\u3067\u306f\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u7ba1\u7406\u3084\u6a5f\u5bc6\u30e1\u30fc\u30eb\u306f\u30e2\u30d0\u30a4\u30eb\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3092\u901a\u3058\u3066\u51e6\u7406\u3059\u308b\u65b9\u304c\u826f\u3044\u3067\u3059\u3002\u30db\u30c6\u30eb\u306eWi-Fi\u3092\u4f7f\u7528\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u5408\u306f\u3001VPN\u306e\u4f7f\u7528\u3068\u30a2\u30d7\u30ea\u30d9\u30fc\u30b9\u306e\u8a8d\u8a3c\u304c\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u65c5\u884c\u4e2d\u306b\u3001HTTPS\u3068\u5b89\u5168\u306a\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u516c\u5171Wi-Fi\u3067\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u95b2\u89a7\u3057\u305f\u308a\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u78ba\u8a8d\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u306f\u4e00\u822c\u7684\u306b\u8a31\u5bb9\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u60c5\u5831\u30ea\u30bd\u30fc\u30b9\u3084\u696d\u754c\u306b\u7279\u5316\u3057\u305f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u95b2\u89a7\u304c\u542b\u307e\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 <a href=\"https:\/\/www.gamblingpedia.co.uk\/\">\u30ae\u30e3\u30f3\u30d6\u30ea\u30f3\u30b0\u30da\u30c7\u30a3\u30a2<\/a>, \u3001\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u3084\u652f\u6255\u3044\u60c5\u5831\u3092\u5165\u529b\u3057\u306a\u3044\u9650\u308a\u3002\u652f\u6255\u3044\u306e\u5909\u66f4\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u30ea\u30bb\u30c3\u30c8\u3001\u304a\u3088\u3073\u9280\u884c\u306e\u64cd\u4f5c\u306f\u3001\u30e2\u30d0\u30a4\u30eb\u30c7\u30fc\u30bf\u307e\u305f\u306f\u4fe1\u983c\u3067\u304d\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u884c\u3046\u3079\u304d\u3067\u3059\u3002.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"key-takeaways\">\u8981\u70b9<\/h2>\n\n\n<p>\u516c\u5171Wi-Fi\u306f2026\u5e74\u306b\u81ea\u52d5\u7684\u306b\u4e0d\u5b89\u5168\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4e0d\u6ce8\u610f\u306a\u4f7f\u7528\u306f\u4f9d\u7136\u3068\u3057\u3066\u5b9f\u969b\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u5b89\u5168\u306a\u63a5\u7d9a\u306e\u7dad\u6301\u3001VPN\u306e\u4f7f\u7528\u3001\u6697\u53f7\u5316\u306e\u5f37\u5236\u3001\u30c7\u30fc\u30bf\u4fdd\u8b77\u306e\u5b9f\u8df5\u3001\u5b89\u5168\u306a\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u7fd2\u6163\u306e\u9075\u5b88\u3001\u9069\u5207\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u4f7f\u7528\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u516c\u5171Wi-Fi\u4e0a\u3067\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30aa\u30f3\u30e9\u30a4\u30f3\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4fdd\u8b77\u3057\u306a\u304c\u3089\u5b89\u5168\u306b\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u516c\u5171Wi-Fi\u306f\u3001\u4e0d\u6ce8\u610f\u306b\u4f7f\u7528\u3059\u308b\u3068\u30c7\u30fc\u30bf\u3092\u9732\u51fa\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u516c\u5171Wi-Fi\u3067\u5b89\u5168\u306b\u3067\u304d\u308b\u3053\u3068\u3001\u907f\u3051\u308b\u3079\u304d\u3053\u3068\u3001\u305d\u3057\u3066\u4fdd\u8b77\u3092\u7dad\u6301\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>","protected":false},"author":3,"featured_media":5210,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[59,61,60,58,57,62],"class_list":["post-5196","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wifi","tag-cybersecurity","tag-data-protection","tag-internet-safety","tag-online-security","tag-public-wi-fi","tag-wi-fi-best-practices","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Which of the Following Is Safe to Do Over Public Wi-Fi? A Practical Security Guide | Security Briefing<\/title>\n<meta name=\"description\" content=\"Public Wi-Fi can expose your data if used carelessly. This guide explains which of the following is safe to do over public Wi-Fi, what to avoid, and how to stay protected.\" \/>\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\/\u30ef\u30a4\u30d5\u30a1\u30a4\/\u6b21\u306e\u3046\u3061\u3001\u516c\u5171\u306ewi-fi\u3067\u5b89\u5168\u306b\u884c\u3048\u308b\u306e\u306f\u3069\u308c\u3067\u3059\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which of the Following Is Safe to Do Over Public Wi-Fi? A Practical Security Guide | Security Briefing\" \/>\n<meta property=\"og:description\" content=\"Public Wi-Fi can expose your data if used carelessly. This guide explains which of the following is safe to do over public Wi-Fi, what to avoid, and how to stay protected.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/securitybriefing.net\/ja\/\u30ef\u30a4\u30d5\u30a1\u30a4\/\u6b21\u306e\u3046\u3061\u3001\u516c\u5171\u306ewi-fi\u3067\u5b89\u5168\u306b\u884c\u3048\u308b\u306e\u306f\u3069\u308c\u3067\u3059\/\" \/>\n<meta property=\"og:site_name\" content=\"Security Briefing\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-02T21:18:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-24T13:29:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/securitybriefing.net\/wp-content\/uploads\/2026\/02\/Which-of-the-Following-Is-Safe-to-Do-Over-Public-WiFi.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\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=\"8\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/securitybriefing.net\/wifi\/which-of-the-following-is-safe-to-do-over-public-wi-fi\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/securitybriefing.net\/wifi\/which-of-the-following-is-safe-to-do-over-public-wi-fi\/\"},\"author\":{\"name\":\"C\u00e9sar Daniel Barreto\",\"@id\":\"https:\/\/securitybriefing.net\/#\/schema\/person\/164e5a0bfff5012ebfb8eb4d03c2c24c\"},\"headline\":\"Which of the Following Is Safe to Do Over Public Wi-Fi? 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