{"id":2507,"date":"2024-05-28T18:35:35","date_gmt":"2024-05-28T18:35:35","guid":{"rendered":"https:\/\/securitybriefing.net\/?p=2507"},"modified":"2024-05-28T18:35:39","modified_gmt":"2024-05-28T18:35:39","slug":"dau-hieu-nao-co-the-la-malware-xac-dinh-cac-chi-so-pho-bien","status":"publish","type":"post","link":"https:\/\/securitybriefing.net\/vi\/phan-mem-doc-hai\/dau-hieu-nao-co-the-la-malware-xac-dinh-cac-chi-so-pho-bien\/","title":{"rendered":"D\u1ea5u hi\u1ec7u c\u00f3 th\u1ec3 c\u00f3 c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i l\u00e0 g\u00ec? Nh\u1eadn d\u1ea1ng c\u00e1c ch\u1ec9 s\u1ed1 ph\u1ed5 bi\u1ebfn D\u1ea5u hi\u1ec7u c\u00f3 th\u1ec3 c\u00f3 c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i l\u00e0 g\u00ec?"},"content":{"rendered":"<ul class=\"simpletoc-list\">\n<li><a href=\"#strange-system-activities\">Ho\u1ea1t \u0111\u1ed9ng k\u1ef3 l\u1ea1 c\u1ee7a h\u1ec7 th\u1ed1ng<\/a>\n\n\n<\/li>\n\n<li><a href=\"#suspicious-computer-behavior\">H\u00e0nh vi m\u00e1y t\u00ednh \u0111\u00e1ng ng\u1edd<\/a>\n\n\n<\/li>\n\n<li><a href=\"#compromised-security-software\">Ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt b\u1ecb x\u00e2m ph\u1ea1m<\/a>\n\n\n<\/li>\n\n<li><a href=\"#network-anomalies\">S\u1ef1 b\u1ea5t th\u01b0\u1eddng c\u1ee7a m\u1ea1ng<\/a>\n\n\n<\/li>\n\n<li><a href=\"#file-and-data-anomalies\">S\u1ef1 b\u1ea5t th\u01b0\u1eddng c\u1ee7a t\u1ec7p v\u00e0 d\u1eef li\u1ec7u<\/a>\n\n\n<\/li>\n\n<li><a href=\"#unusual-security-notifications\">Th\u00f4ng b\u00e1o b\u1ea3o m\u1eadt b\u1ea5t th\u01b0\u1eddng<\/a>\n\n\n<\/li>\n\n<li><a href=\"#increase-in-resource-usage\">T\u0103ng c\u01b0\u1eddng s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean<\/a>\n\n\n<\/li>\n\n<li><a href=\"#email-and-account-irregularities\">B\u1ea5t th\u01b0\u1eddng v\u1ec1 Email v\u00e0 T\u00e0i kho\u1ea3n<\/a>\n\n\n<\/li>\n\n<li><a href=\"#in-conclusion\">K\u1ebft lu\u1eadn<\/a>\n<\/li><\/ul>\n\n\n<p>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i l\u00e0 b\u1ea5t k\u1ef3 ph\u1ea7n m\u1ec1m n\u00e0o \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 g\u00e2y h\u01b0 h\u1ea1i ho\u1eb7c truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh. \u0110\u00e2y l\u00e0 thu\u1eadt ng\u1eef chung cho nhi\u1ec1u ch\u01b0\u01a1ng tr\u00ecnh th\u00f9 \u0111\u1ecbch, x\u00e2m nh\u1eadp ho\u1eb7c g\u00e2y phi\u1ec1n nhi\u1ec5u. Ch\u00fang c\u00f3 th\u1ec3 \u1edf d\u1ea1ng vi-r\u00fat, s\u00e2u, ng\u1ef1a th\u00e0nh Troy, ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n ho\u1eb7c ph\u1ea7n m\u1ec1m gi\u00e1n \u0111i\u1ec7p. Tri\u1ec7u ch\u1ee9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i l\u00e0 h\u1ec7 th\u1ed1ng ch\u1eadm l\u1ea1i. M\u1ed9t trong nh\u1eefng l\u00fd do cho \u0111i\u1ec1u n\u00e0y l\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i c\u00f3 th\u1ec3 d\u00e0nh t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng cho c\u00e1c t\u00e1c v\u1ee5 nh\u01b0 khai th\u00e1c ti\u1ec1n k\u1ef9 thu\u1eadt s\u1ed1, g\u1eedi email r\u00e1c v\u00e0 t\u1ea5n c\u00f4ng h\u1ec7 th\u1ed1ng kh\u00e1c, trong s\u1ed1 nh\u1eefng t\u00e1c v\u1ee5 kh\u00e1c.<\/p>\n\n\n\n<p>C\u00e1c d\u1ea5u hi\u1ec7u kh\u00e1c cho th\u1ea5y thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 b\u1ecb nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i bao g\u1ed3m c\u1eeda s\u1ed5 b\u1eadt l\u00ean xu\u1ea5t hi\u1ec7n khi ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng mong \u0111\u1ee3i, thanh c\u00f4ng c\u1ee5 kh\u00f4ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u xu\u1ea5t hi\u1ec7n v\u00e0 tr\u00ecnh duy\u1ec7t chuy\u1ec3n h\u01b0\u1edbng th\u01b0\u1eddng xuy\u00ean. M\u1ed9t thay \u0111\u1ed5i b\u1ea5t ng\u1edd tr\u00ean trang ch\u1ee7 ho\u1eb7c s\u1ef1 c\u1ed1 li\u00ean t\u1ee5c v\u00e0 th\u00f4ng b\u00e1o l\u1ed7i c\u0169ng c\u00f3 th\u1ec3 c\u00f3 ngh\u0129a l\u00e0 b\u1ecb nhi\u1ec5m. <\/p>\n\n\n\n<p>Ngo\u00e0i ra, n\u1ebfu c\u00e1c t\u1ec7p b\u1eaft \u0111\u1ea7u b\u1ecb m\u00e3 h\u00f3a v\u00e0 y\u00eau c\u1ea7u ti\u1ec1n chu\u1ed9c \u0111\u01b0\u1ee3c \u0111\u01b0a ra, th\u00ec \u0111\u00f3 l\u00e0 ransomware. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u1ec3 c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng k\u1ecbp th\u1eddi n\u1ebfu c\u00f3. \u0110\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, n\u00ean s\u1eed d\u1ee5ng c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t vi-r\u00fat m\u1ea1nh \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"strange-system-activities\">Ho\u1ea1t \u0111\u1ed9ng k\u1ef3 l\u1ea1 c\u1ee7a h\u1ec7 th\u1ed1ng<\/h2>\n\n\n<p>Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c nhau trong hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 ch\u1ec9 ra s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i. C\u00f3 hai v\u1ea5n \u0111\u1ec1 ch\u00ednh v\u1ec1 hi\u1ec7u su\u1ea5t m\u00e0 ng\u01b0\u1eddi d\u00f9ng n\u00ean ch\u00fa \u00fd: h\u1ec7 th\u1ed1ng b\u1ecb s\u1eadp v\u00e0 ch\u1eadm.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"frequent-crashes\">S\u1ef1 c\u1ed1 th\u01b0\u1eddng xuy\u00ean<\/h3>\n\n\n<p>Khi m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n li\u00ean t\u1ee5c b\u1ecb s\u1eadp, ngay c\u1ea3 khi th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 c\u01a1 b\u1ea3n, th\u00ec \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i. Theo Norton, ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u00e1c quy tr\u00ecnh c\u1ee7a h\u1ec7 th\u1ed1ng, d\u1eabn \u0111\u1ebfn m\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 h\u1ec7 th\u1ed1ng b\u1ecb s\u1eadp. \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 s\u1ef1 kh\u00f3 ch\u1ecbu th\u1ec9nh tho\u1ea3ng; vi\u1ec7c m\u00e1y t\u00ednh li\u00ean t\u1ee5c b\u1ecb s\u1eadp c\u00f3 th\u1ec3 b\u00e1o hi\u1ec7u t\u00e1c h\u1ea1i nghi\u00eam tr\u1ecdng \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ee7a m\u00e1y t\u00ednh.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"slow-operation\">Ho\u1ea1t \u0111\u1ed9ng ch\u1eadm<\/h3>\n\n\n<p>M\u1ed9t tri\u1ec7u ch\u1ee9ng r\u00f5 r\u00e0ng, <a href=\"https:\/\/heimdalsecurity.com\/blog\/warning-signs-operating-system-infected-malware\/\" target=\"_blank\" rel=\"noreferrer noopener\">nh\u01b0 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 b\u1edfi Heimdal Security<\/a>, l\u00e0 h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng ch\u1eadm h\u01a1n nhi\u1ec1u so v\u1edbi b\u00ecnh th\u01b0\u1eddng m\u00e0 kh\u00f4ng c\u00f3 l\u00fd do r\u00f5 r\u00e0ng. N\u1ebfu m\u00e1y t\u00ednh b\u1ecb ch\u1eadm tr\u1ec5 ho\u1eb7c m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh, th\u00ec c\u00f3 th\u1ec3 m\u00e1y t\u00ednh g\u1eb7p kh\u00f3 kh\u0103n khi m\u1edf ch\u01b0\u01a1ng tr\u00ecnh do thi\u1ebfu t\u00e0i nguy\u00ean do ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i g\u00e2y ra, ti\u00eau t\u1ed1n nhi\u1ec1u t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng. <\/p>\n\n\n\n<p>S\u1ef1 ch\u1eadm ch\u1ea1p nh\u01b0 v\u1eady th\u01b0\u1eddng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c ch\u1ea1y nhi\u1ec1u t\u00e1c v\u1ee5 n\u1ec1n c\u00f9ng l\u00fac \u0111\u1ec3 chi\u1ebfm d\u1ee5ng c\u00e1c t\u00e0i nguy\u00ean c\u00f3 s\u1eb5n trong h\u1ec7 th\u1ed1ng.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"suspicious-computer-behavior\">H\u00e0nh vi m\u00e1y t\u00ednh \u0111\u00e1ng ng\u1edd<\/h2>\n\n\n<p>N\u1ebfu b\u1ea1n nh\u1eadn th\u1ea5y c\u00e1c m\u1eabu h\u00e0nh vi l\u1ea1 trong thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh, c\u00f3 kh\u1ea3 n\u0103ng l\u00e0 thi\u1ebft b\u1ecb \u0111\u00e3 b\u1ecb nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i. Nh\u1eefng h\u00e0nh \u0111\u1ed9ng n\u00e0y c\u00f3 xu h\u01b0\u1edbng l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, do \u0111\u00f3 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u su\u1ea5t chung c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"excessive-popup-ads\">Qu\u1ea3ng c\u00e1o b\u1eadt l\u00ean qu\u00e1 nhi\u1ec1u<\/h3>\n\n\n<p>Ph\u1ea7n m\u1ec1m qu\u1ea3ng c\u00e1o c\u00f3 th\u1ec3 l\u00e0m tr\u00e0n ng\u1eadp m\u00e1y t\u00ednh b\u1eb1ng nhi\u1ec1u qu\u1ea3ng c\u00e1o b\u1eadt l\u00ean. Ngay c\u1ea3 khi kh\u00f4ng duy\u1ec7t b\u1ea5t k\u1ef3 trang web n\u00e0o, nhi\u1ec1u c\u1eeda s\u1ed5 v\u1eabn c\u00f3 th\u1ec3 b\u1eadt l\u00ean tr\u00ean m\u00e0n h\u00ecnh c\u1ee7a b\u1ea1n. H\u01a1n n\u1eefa, m\u1ed9t s\u1ed1 c\u1eeda s\u1ed5 b\u1eadt l\u00ean n\u00e0y c\u00f3 th\u1ec3 kh\u00f3 \u0111\u00f3ng ho\u1eb7c d\u1eabn b\u1ea1n \u0111\u1ebfn c\u00e1c trang web l\u1ea1, \u0111\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng cho th\u1ea5y c\u00f3 th\u1ec3 c\u00f3 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i. <a href=\"https:\/\/us.norton.com\/blog\/how-to\/computer-virus-warning-signs\" target=\"_blank\" rel=\"noreferrer noopener\">Theo Norton<\/a>, m\u1ed9t c\u1eeda s\u1ed5 b\u1ea5t ng\u1edd xu\u1ea5t hi\u1ec7n c\u1ea3nh b\u00e1o ng\u01b0\u1eddi d\u00f9ng r\u1eb1ng thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd \u0111\u00e3 b\u1ecb nhi\u1ec5m v\u00e0 cung c\u1ea5p gi\u1ea3i ph\u00e1p. \u0110i\u1ec1u n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c t\u1ed9i ph\u1ea1m m\u1ea1ng s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t chi\u1ebfn thu\u1eadt \u0111\u1ec3 ph\u00e1t t\u00e1n ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"unknown-programs-or-icons\">Ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c bi\u1ec3u t\u01b0\u1ee3ng kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/h3>\n\n\n<p>Vi\u1ec7c nh\u00ecn th\u1ea5y ph\u1ea7n m\u1ec1m m\u1edbi tr\u00ean m\u00e0n h\u00ecnh n\u1ec1n ho\u1eb7c trong danh s\u00e1ch ch\u01b0\u01a1ng tr\u00ecnh h\u1ec7 th\u1ed1ng ch\u01b0a \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t s\u1ebd khi\u1ebfn b\u1ea1n ph\u1ea3i c\u1ea3nh gi\u00e1c. Theo Heimdal Security, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 t\u00ecnh c\u1edd ph\u00e1t hi\u1ec7n ra m\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m m\u00e0 h\u1ecd kh\u00f4ng nh\u1edb \u0111\u00e3 c\u00e0i \u0111\u1eb7t; \u0111\u00f4i khi \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 ch\u1ea1y \u1ea9n, ng\u1ed1n h\u1ebft n\u0103ng l\u01b0\u1ee3ng x\u1eed l\u00fd, c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y h\u1ea1i cho m\u00e1y t\u00ednh ho\u1eb7c \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"compromised-security-software\">Ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt b\u1ecb x\u00e2m ph\u1ea1m<\/h2>\n\n\n<p>Khi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t vi-r\u00fat v\u00e0 b\u1ea3n c\u1eadp nh\u1eadt b\u1ea3o m\u1eadt b\u1ecb ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i can thi\u1ec7p ho\u1eb7c v\u00f4 hi\u1ec7u h\u00f3a, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 thi\u1ebft b\u1ecb \u0111\u00e3 b\u1ecb x\u00e2m ph\u1ea1m.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"disabled-antivirus\">\u0110\u00e3 t\u1eaft ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat<\/h3>\n\n\n<p>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i b\u1ecb \u0111\u1ea9y l\u00f9i b\u1edfi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t vi-r\u00fat ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u00e1 ch\u1eafn ch\u1ed1ng l\u1ea1i ch\u00fang. Vi\u1ec7c li\u00ean t\u1ee5c ph\u00e1t hi\u1ec7n ra r\u1eb1ng ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat c\u1ee7a m\u1ed9t ng\u01b0\u1eddi li\u00ean t\u1ee5c b\u1ecb t\u1eaft t\u1ef1 \u0111\u1ed9ng m\u00e0 kh\u00f4ng l\u00e0m g\u00ec c\u1ea3 cho th\u1ea5y c\u00f3 th\u1ec3 c\u00f3 s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a m\u00e3 \u0111\u1ed9c h\u1ea1i v\u00e0o h\u1ec7 th\u1ed1ng c\u1ee7a h\u1ecd. C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a c\u00e1c c\u00f4ng c\u1ee5 b\u1ea3o v\u1ec7 n\u00e0y, do \u0111\u00f3 khi\u1ebfn m\u00e1y t\u00ednh d\u1ec5 b\u1ecb khai th\u00e1c.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"failure-to-update-security-patches\">Kh\u00f4ng c\u1eadp nh\u1eadt \u0111\u01b0\u1ee3c b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt<\/h3>\n\n\n<p>C\u1eadp nh\u1eadt b\u1ea3o m\u1eadt r\u1ea5t quan tr\u1ecdng v\u00ec <a href=\"https:\/\/ecmanagedit.com\/importance-windows-updates\/\" target=\"_blank\" rel=\"noreferrer noopener\">h\u1ecd s\u1eeda ch\u1eefa nh\u1eefng \u0111i\u1ec3m y\u1ebfu c\u00f3 th\u1ec3 b\u1ecb k\u1ebb t\u1ea5n c\u00f4ng l\u1ee3i d\u1ee5ng<\/a>. Nh\u01b0ng n\u1ebfu nh\u1eefng n\u00e2ng c\u1ea5p b\u1ea3o m\u1eadt n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t trong h\u1ec7 th\u1ed1ng nhi\u1ec1u l\u1ea7n ho\u1eb7c kh\u00f4ng t\u1ea3i xu\u1ed1ng \u0111\u01b0\u1ee3c ngay c\u1ea3 khi ng\u01b0\u1eddi d\u00f9ng th\u1eed, c\u00f3 th\u1ec3 quy tr\u00ecnh c\u1ee7a h\u1ecd s\u1ebd b\u1ecb ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ch\u1eb7n. Khi \u0111i\u1ec1u n\u00e0y x\u1ea3y ra, th\u00ec c\u00f3 ngh\u0129a l\u00e0 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n m\u1ed1i \u0111e d\u1ecda v\u00e0 x\u1eed l\u00fd ch\u00fang c\u1ee7a ph\u1ea7n m\u1ec1m b\u1ecb \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"network-anomalies\">S\u1ef1 b\u1ea5t th\u01b0\u1eddng c\u1ee7a m\u1ea1ng<\/h2>\n\n\n<p>Khi thi\u1ebft b\u1ecb b\u1ecb nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, ch\u00fang c\u00f3 xu h\u01b0\u1edbng bi\u1ec3u hi\u1ec7n m\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u b\u1ea5t th\u01b0\u1eddng c\u1ee7a m\u1ea1ng nh\u01b0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp internet cao b\u1ea5t th\u01b0\u1eddng ho\u1eb7c c\u00f3 h\u00e0nh vi c\u1ed1 g\u1eafng k\u1ebft n\u1ed1i ti\u1ec7n \u00edch t\u1eeb xa m\u00e0 kh\u00f4ng r\u00f5 l\u00fd do.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"high-internet-traffic\">L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp Internet cao<\/h3>\n\n\n<p>M\u1ed9t d\u1ea5u hi\u1ec7u cho th\u1ea5y thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb x\u00e2m ph\u1ea1m l\u00e0 ph\u00e1t hi\u1ec7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp internet \u1edf m\u1ee9c c\u1ef1c cao. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 th\u1ea5y \u1edf d\u1ea1ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp kh\u00f4ng kh\u1edbp v\u1edbi nh\u1eefng g\u00ec ng\u01b0\u1eddi ta mong \u0111\u1ee3i theo c\u00e1c m\u1eabu h\u00e0nh vi th\u00f4ng th\u01b0\u1eddng c\u1ee7a h\u1ecd khi s\u1eed d\u1ee5ng web. V\u00ed d\u1ee5, n\u1ebfu m\u1ed9t m\u00e1y g\u1eedi m\u1ed9t l\u01b0\u1ee3ng d\u1eef li\u1ec7u nh\u1ecf \u0111\u1ed9t nhi\u00ean b\u1eaft \u0111\u1ea7u truy\u1ec1n c\u00e1c t\u1ec7p l\u1edbn, th\u00ec c\u00f3 th\u1ec3 c\u00f3 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"access-attempts\">C\u1ed1 g\u1eafng truy c\u1eadp<\/h3>\n\n\n<p>\u0110\u0103ng nh\u1eadp tr\u00e1i ph\u00e9p v\u00e0o nhi\u1ec1u m\u00e1y ch\u1ee7 n\u01b0\u1edbc ngo\u00e0i th\u00f4ng qua t\u01b0\u1eddng l\u1eeda c\u00f3 th\u1ec3 bi\u1ec3u th\u1ecb c\u00e1c n\u1ed7 l\u1ef1c c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i t\u00ecm ki\u1ebfm quy\u1ec1n ki\u1ec3m so\u00e1t t\u1eeb tr\u1ea1m g\u1ed1c c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c ping li\u00ean t\u1ee5c \u0111\u1ebfn c\u00e1c \u0111\u1ecba ch\u1ec9 IP kh\u00f4ng x\u00e1c \u0111\u1ecbnh, do \u0111\u00f3 d\u1eabn \u0111\u1ebfn vi\u1ec7c th\u0103m d\u00f2 nhi\u1ec1u t\u00e0i nguy\u00ean kh\u00e1c nhau \u0111\u1ec3 thi\u1ebft l\u1eadp c\u00e1c \u0111i\u1ec3m k\u1ebft n\u1ed1i ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 c\u00e1c trung t\u00e2m ch\u1ec9 huy cho c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh nh\u01b0 v\u1eady. <\/p>\n\n\n\n<p>Vi\u1ec7c theo d\u00f5i nh\u1eadt k\u00fd truy c\u1eadp th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 gi\u00fap ph\u00e1t hi\u1ec7n m\u1ecdi ho\u1ea1t \u0111\u1ed9ng tr\u00e1i ph\u00e9p \u0111\u00e3 th\u1ef1c hi\u1ec7n cho \u0111\u1ebfn nay v\u00e0 do \u0111\u00f3 th\u00f4ng b\u00e1o cho doanh nghi\u1ec7p v\u1ec1 nh\u1eefng \u0111\u1ed9t ph\u00e1 ti\u1ec1m \u1ea9n li\u00ean quan \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a h\u1ec7 th\u1ed1ng an ninh m\u1ea1ng c\u1ee7a h\u1ecd.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"file-and-data-anomalies\">S\u1ef1 b\u1ea5t th\u01b0\u1eddng c\u1ee7a t\u1ec7p v\u00e0 d\u1eef li\u1ec7u<\/h2>\n\n\n<p>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi c\u00e1c t\u1ec7p gi\u00fap x\u00e1c \u0111\u1ecbnh s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a n\u00f3 tr\u00ean h\u1ec7 th\u1ed1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u1eef li\u1ec7u b\u1ecb m\u1ea5t ho\u1eb7c tr\u00f9ng l\u1eb7p. Hai trong s\u1ed1 nh\u1eefng b\u1ea5t th\u01b0\u1eddng n\u00e0y li\u00ean quan \u0111\u1ebfn c\u00e1c t\u1ec7p b\u1ecb m\u1ea5t m\u1ed9t c\u00e1ch b\u00ed \u1ea9n v\u00e0 c\u00e1c b\u1ea3n sao b\u1ea5t ng\u1edd xu\u1ea5t hi\u1ec7n.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"missing-files\">C\u00e1c t\u1eadp tin b\u1ecb thi\u1ebfu<\/h3>\n\n\n<p>Khi <a href=\"https:\/\/www.securitymagazine.com\/articles\/98557-10-signs-a-mobile-device-has-been-infected-with-malware\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1c t\u1eadp tin bi\u1ebfn m\u1ea5t m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 h\u00e0nh \u0111\u1ed9ng n\u00e0o<\/a> t\u1eeb ph\u00eda ng\u01b0\u1eddi d\u00f9ng, \u0111\u00e2y th\u01b0\u1eddng l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y thi\u1ebft b\u1ecb \u0111\u00e3 b\u1ecb nhi\u1ec5m. V\u00ed d\u1ee5, Norton \u0111\u1ec1 c\u1eadp r\u1eb1ng c\u00e1c t\u1ec7p c\u00f3 th\u1ec3 b\u1ecb x\u00f3a kh\u1ecfi thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean nh\u01b0 m\u1ed9t c\u00e1ch ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i c\u1ed1 g\u1eafng t\u1eaft c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t vi-r\u00fat ho\u1eb7c t\u1ea1o kh\u00f4ng gian cho ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i b\u1ed5 sung.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"file-duplication\">Sao ch\u00e9p t\u1eadp tin<\/h3>\n\n\n<p>N\u1ebfu c\u00e1c t\u1ec7p c\u00f3 v\u1ebb nh\u01b0 \u0111\u00e3 t\u1ef1 sao ch\u00e9p m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ch\u1ec9 ra ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i \u0111ang l\u00e2y nhi\u1ec5m h\u1ec7 th\u1ed1ng. \u0110\u1ec3 che gi\u1ea5u th\u00eam ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang kh\u1ecfi ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt, c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh c\u00f3 h\u1ea1i c\u00f3 th\u1ec3 sao ch\u00e9p c\u00e1c t\u1ec7p tr\u00ean to\u00e0n b\u1ed9 m\u00e1y t\u00ednh \u0111\u1ec3 m\u1edf r\u1ed9ng ph\u1ea1m vi ho\u1eb7c ph\u1ea1m vi ph\u1ee7 s\u00f3ng c\u1ee7a ch\u00fang cho n\u01a1i ch\u00fang ch\u1ea1y.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"unusual-security-notifications\">Th\u00f4ng b\u00e1o b\u1ea3o m\u1eadt b\u1ea5t th\u01b0\u1eddng<\/h2>\n\n\n<p>Nh\u1eefng tr\u01b0\u1eddng h\u1ee3p khi m\u1ed9t ng\u01b0\u1eddi nh\u00ecn th\u1ea5y c\u1ea3nh b\u00e1o l\u1ea1 v\u1ec1 s\u1ef1 an to\u00e0n c\u1ee7a m\u00e1y t\u00ednh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 d\u1ea5u hi\u1ec7u \u0111\u00e1ng lo ng\u1ea1i. Vi\u1ec7c ch\u1ec9 ra nh\u1eefng c\u1ea3nh b\u00e1o nh\u01b0 v\u1eady r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec s\u1ef1 an to\u00e0n chung c\u1ee7a m\u00e1y.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"strange-warning-messages\">Tin nh\u1eafn c\u1ea3nh b\u00e1o l\u1ea1<\/h3>\n\n\n<p>M\u1ed9t s\u1ed1 th\u00f4ng b\u00e1o c\u00f3 th\u1ec3 tuy\u00ean b\u1ed1 r\u1eb1ng \u0111\u00e3 ph\u00e1t hi\u1ec7n nhi\u1ec1u lo\u1ea1i vi-r\u00fat ho\u1eb7c \u0111\u00e3 c\u00f3 n\u1ed7 l\u1ef1c t\u1ea5n c\u00f4ng; nh\u1eefng th\u00f4ng b\u00e1o n\u00e0y th\u01b0\u1eddng c\u00f3 v\u1ebb th\u1eadt v\u00e0 b\u1eaft ch\u01b0\u1edbc c\u00e1c th\u00f4ng b\u00e1o h\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c. <a href=\"https:\/\/malwaretips.com\/blogs\/remove-viruses-detected-5\/\" target=\"_blank\" rel=\"noreferrer noopener\">M\u1ed9t c\u1eeda s\u1ed5 b\u1eadt l\u00ean hi\u1ec3n th\u1ecb \u201cMicrosoft \u0111\u00e3 ph\u00e1t hi\u1ec7n n\u0103m lo\u1ea1i vi-r\u00fat!\u201d<\/a> l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh. Tuy nhi\u00ean, nh\u01b0 v\u1eady<\/p>\n\n\n\n<p>Email kh\u00f4ng \u0111\u00e1ng tin c\u1eady t\u1ef1 nh\u1eadn l\u00e0 t\u1eeb Microsoft Security l\u00e0 m\u1ed9t v\u00ed d\u1ee5 kh\u00e1c v\u1ec1 c\u1ea3nh b\u00e1o gi\u1ea3 m\u1ea1o. Nh\u1eefng email n\u00e0y c\u00f3 th\u1ec3 y\u00eau c\u1ea7u m\u1eadt kh\u1ea9u ho\u1eb7c th\u00f4ng tin ri\u00eang t\u01b0 kh\u00e1c ngo\u00e0i c\u00e1c li\u00ean k\u1ebft ch\u1ee9a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"password-or-other-information-requests\">Y\u00eau c\u1ea7u m\u1eadt kh\u1ea9u ho\u1eb7c th\u00f4ng tin kh\u00e1c<\/h3>\n\n\n<p>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c c\u1eeda s\u1ed5 b\u1eadt l\u00ean y\u00eau c\u1ea7u m\u1eadt kh\u1ea9u ho\u1eb7c d\u1eef li\u1ec7u c\u00e1 nh\u00e2n kh\u00e1c trong email. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tr\u00f4ng c\u00f3 v\u1ebb kh\u1ea9n c\u1ea5p nh\u01b0 th\u1ec3 ch\u00fang \u0111ang y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng h\u00e0nh \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c. Tuy nhi\u00ean, c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh h\u1ee3p ph\u00e1p s\u1ebd ch\u1ec9 y\u00eau c\u1ea7u b\u1ea1n nh\u1eadp m\u1eadt kh\u1ea9u tr\u00ean trang \u0111\u0103ng nh\u1eadp c\u1ee7a ch\u00fang, v\u00ec v\u1eady b\u1ea5t k\u1ef3 y\u00eau c\u1ea7u n\u00e0o b\u00ean ngo\u00e0i \u0111i\u1ec1u n\u00e0y \u0111\u1ec1u khi\u1ebfn ng\u01b0\u1eddi ta nghi ng\u1edd v\u1ec1 vi\u1ec7c ti\u1ebft l\u1ed9 b\u1ea5t k\u1ef3 th\u00f4ng tin nh\u1ea1y c\u1ea3m n\u00e0o.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"increase-in-resource-usage\">T\u0103ng c\u01b0\u1eddng s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean<\/h2>\n\n\n<p>N\u1ebfu c\u00f3 s\u1ef1 gia t\u0103ng \u0111\u1ed9t bi\u1ebfn kh\u00f4ng r\u00f5 nguy\u00ean nh\u00e2n v\u1ec1 m\u1ee9c ti\u00eau th\u1ee5 t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng, \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 ch\u1ec9 ra s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ee9c s\u1eed d\u1ee5ng CPU cao ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng \u0111\u0129a b\u1ea5t ng\u1edd.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"high-cpu-usage\">S\u1eed d\u1ee5ng CPU cao<\/h3>\n\n\n<p>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c ti\u1ebfn tr\u00ecnh ch\u1ea1y chi\u1ebfm nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng CPU ngay c\u1ea3 khi ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 t\u00e1c v\u1ee5 n\u00e0o. \u0110\u1ec3 minh h\u1ecda, Norton g\u1ecdi s\u1ef1 ch\u1eadm l\u1ea1i n\u00e0y l\u00e0 do ph\u1ea7n m\u1ec1m tr\u00e1i ph\u00e9p ch\u1ea1y \u1edf ch\u1ebf \u0111\u1ed9 n\u1ec1n, c\u00f3 th\u1ec3 ch\u1ec9 ra t\u00ecnh tr\u1ea1ng nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"unexpected-disk-activity\">Ho\u1ea1t \u0111\u1ed9ng \u0111\u0129a b\u1ea5t ng\u1edd<\/h3>\n\n\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, n\u1ebfu c\u00f3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c c\u1ee7a \u0111\u0129a trong khi m\u00e1y t\u00ednh kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng - v\u00ed d\u1ee5 nh\u01b0 v\u00e0o ban \u0111\u00eam khi kh\u00f4ng c\u00f3 ai s\u1eed d\u1ee5ng m\u00e1y - th\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 b\u00e1o hi\u1ec7u \u0111i\u1ec1u g\u00ec \u0111\u00f3 c\u00f3 v\u1ea5n \u0111\u1ec1 nh\u01b0 c\u00e1c quy tr\u00ecnh \u1ea9n thay \u0111\u1ed5i, m\u00e3 h\u00f3a ho\u1eb7c g\u1eedi d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p t\u1eeb ng\u01b0\u1eddi \u0111i\u1ec1u khi\u1ec3n m\u00e1y, NordVPN cho bi\u1ebft.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"email-and-account-irregularities\">B\u1ea5t th\u01b0\u1eddng v\u1ec1 Email v\u00e0 T\u00e0i kho\u1ea3n<\/h2>\n\n\n<p>Khi x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, c\u1ea7n l\u01b0u \u00fd c\u1ea9n th\u1eadn c\u00e1c ho\u1ea1t \u0111\u1ed9ng email v\u00e0 t\u00e0i kho\u1ea3n \u0111\u00e1ng ng\u1edd kh\u00e1c v\u1edbi b\u00ecnh th\u01b0\u1eddng. Nh\u1eefng b\u1ea5t th\u01b0\u1eddng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m d\u1ea5u hi\u1ec7u quan tr\u1ecdng c\u1ee7a s\u1ef1 x\u00e2m ph\u1ea1m.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"spam-emails-sent-from-account\">Th\u01b0 r\u00e1c \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb t\u00e0i kho\u1ea3n<\/h3>\n\n\n<p>N\u1ebfu m\u1ed9t ng\u01b0\u1eddi ph\u00e1t hi\u1ec7n ra r\u1eb1ng t\u00e0i kho\u1ea3n c\u1ee7a h\u1ecd \u0111ang g\u1eedi th\u01b0 r\u00e1c m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p, \u0111\u00e2y l\u00e0 m\u1ed9t c\u1ea3nh b\u00e1o nghi\u00eam tr\u1ecdng. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng ch\u1ec9 ra r\u1eb1ng c\u00f3 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i trong h\u1ec7 th\u1ed1ng c\u1ee7a h\u1ecd \u0111\u00e3 chi\u1ebfm quy\u1ec1n ki\u1ec3m so\u00e1t email c\u1ee7a h\u1ecd \u0111\u1ec3 t\u1ef1 g\u1eedi \u0111\u1ebfn danh b\u1ea1 c\u1ee7a h\u1ecd. <\/p>\n\n\n\n<p>\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i nghi\u00eam t\u00fac xem x\u00e9t m\u1ecdi ph\u1ea3n h\u1ed3i t\u1eeb ng\u01b0\u1eddi nh\u1eadn b\u00e1o c\u00e1o r\u1eb1ng h\u1ecd nh\u1eadn \u0111\u01b0\u1ee3c email l\u1ea1 c\u00f3 t\u1ec7p \u0111\u00ednh k\u00e8m ho\u1eb7c li\u00ean k\u1ebft v\u00ec \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"unauthorized-account-activities\">Ho\u1ea1t \u0111\u1ed9ng t\u00e0i kho\u1ea3n tr\u00e1i ph\u00e9p<\/h3>\n\n\n<p>Trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 ho\u1ea1t \u0111\u1ed9ng tr\u00e1i ph\u00e9p x\u1ea3y ra tr\u00ean t\u00e0i kho\u1ea3n, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng b\u1ea5t ng\u1edd <a href=\"https:\/\/www.hollyland.com\/blog\/tips\/what-to-do-when-someone-keeps-trying-to-reset-my-facebook-password\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u1eb7t l\u1ea1i m\u1eadt kh\u1ea9u <\/a>ho\u1eb7c thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t, \u0111i\u1ec1u n\u00e0y ng\u1ee5 \u00fd r\u1eb1ng \u0111\u00e3 c\u00f3 vi ph\u1ea1m. Kh\u00f4ng truy c\u1eadp \u0111\u01b0\u1ee3c t\u00e0i kho\u1ea3n b\u1eb1ng th\u00f4ng tin \u0111\u0103ng nh\u1eadp th\u00f4ng th\u01b0\u1eddng v\u00e0 nh\u1eadn th\u1ea5y c\u00e1c m\u1ee5c kh\u00f4ng x\u00e1c \u0111\u1ecbnh, trong s\u1ed1 nh\u1eefng th\u1ee9 kh\u00e1c, c\u00f3 th\u1ec3 khi\u1ebfn ng\u01b0\u1eddi ta ngh\u0129 r\u1eb1ng t\u00e0i kho\u1ea3n c\u1ee7a h\u1ecd c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/p>\n\n\n\n<p>C\u00e1c tin nh\u1eafn ho\u1eb7c giao d\u1ecbch l\u1ea1 kh\u00f4ng ph\u1ea3i do h\u1ecd kh\u1edfi t\u1ea1o c\u0169ng ch\u1ec9 ra \u0111i\u1ec1u n\u00e0y v\u00ec ch\u00fang cho th\u1ea5y c\u00f3 th\u1ec3 c\u00f3 ng\u01b0\u1eddi kh\u00e1c \u0111ang s\u1eed d\u1ee5ng t\u00e0i kho\u1ea3n c\u1ee7a h\u1ecd sau khi \u0111\u01b0\u1ee3c ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i c\u1ea5p quy\u1ec1n truy c\u1eadp.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"in-conclusion\">K\u1ebft lu\u1eadn<\/h2>\n\n\n<p>nh\u1eadn bi\u1ebft c\u00e1c d\u1ea5u hi\u1ec7u c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 qu\u1ea3ng c\u00e1o b\u1eadt l\u00ean li\u00ean t\u1ee5c, ch\u01b0\u01a1ng tr\u00ecnh b\u1ea5t ng\u1edd, ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt b\u1ecb x\u00e2m ph\u1ea1m, s\u1ef1 b\u1ea5t th\u01b0\u1eddng c\u1ee7a m\u1ea1ng, s\u1ef1 b\u1ea5t th\u01b0\u1eddng c\u1ee7a t\u1ec7p, th\u00f4ng b\u00e1o b\u1ea3o m\u1eadt b\u1ea5t th\u01b0\u1eddng, vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean t\u0103ng l\u00ean v\u00e0 ho\u1ea1t \u0111\u1ed9ng email ho\u1eb7c t\u00e0i kho\u1ea3n b\u1ea5t th\u01b0\u1eddng, l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n. B\u1eb1ng c\u00e1ch lu\u00f4n c\u1ea3nh gi\u00e1c v\u00e0 gi\u1ea3i quy\u1ebft k\u1ecbp th\u1eddi c\u00e1c d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o n\u00e0y, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n v\u00e0 \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m tr\u1ef1c tuy\u1ebfn an to\u00e0n h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i l\u00e0 b\u1ea5t k\u1ef3 ph\u1ea7n m\u1ec1m n\u00e0o \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 g\u00e2y h\u01b0 h\u1ea1i ho\u1eb7c truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh. \u0110\u00e2y l\u00e0 thu\u1eadt ng\u1eef chung cho nhi\u1ec1u ch\u01b0\u01a1ng tr\u00ecnh th\u00f9 \u0111\u1ecbch, x\u00e2m nh\u1eadp ho\u1eb7c g\u00e2y phi\u1ec1n nhi\u1ec5u. Ch\u00fang c\u00f3 th\u1ec3\u2026 <a class=\"more-link\" href=\"https:\/\/securitybriefing.net\/vi\/phan-mem-doc-hai\/dau-hieu-nao-co-the-la-malware-xac-dinh-cac-chi-so-pho-bien\/\">Ti\u1ebfp t\u1ee5c \u0111\u1ecdc <span class=\"screen-reader-text\">D\u1ea5u hi\u1ec7u c\u00f3 th\u1ec3 c\u00f3 c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i l\u00e0 g\u00ec? Nh\u1eadn d\u1ea1ng c\u00e1c ch\u1ec9 s\u1ed1 ph\u1ed5 bi\u1ebfn D\u1ea5u hi\u1ec7u c\u00f3 th\u1ec3 c\u00f3 c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i l\u00e0 g\u00ec?<\/span><\/a><\/p>","protected":false},"author":3,"featured_media":2508,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-2507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-malware","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What&#039;s a Possible Sign of Malware? Identifying Common Indicators What is a possible indication of malware? | Security Briefing<\/title>\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\/vi\/phan-mem-doc-hai\/dau-hieu-nao-co-the-la-malware-xac-dinh-cac-chi-so-pho-bien\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What&#039;s a Possible Sign of Malware? Identifying Common Indicators What is a possible indication of malware? | Security Briefing\" \/>\n<meta property=\"og:description\" content=\"Malware refers to any software designed to damage or gain unauthorized access to a computer system. This is a general term for various hostile, intrusive, or annoying programs. They may&hellip; Continue reading What&#8217;s a Possible Sign of Malware? 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