{"id":1895,"date":"2025-10-06T21:42:28","date_gmt":"2025-10-06T14:42:28","guid":{"rendered":"https:\/\/kienthucmo.com\/?p=1895"},"modified":"2026-01-20T22:14:47","modified_gmt":"2026-01-20T15:14:47","slug":"hieu-ve-malware-cac-loai-tac-hai-va-cach-bao-ve-he-thong","status":"publish","type":"post","link":"https:\/\/kienthucmo.com\/vi\/hieu-ve-malware-cac-loai-tac-hai-va-cach-bao-ve-he-thong\/","title":{"rendered":"Hi\u1ec3u v\u1ec1 Malware: C\u00e1c lo\u1ea1i, t\u00e1c h\u1ea1i v\u00e0 c\u00e1ch b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng"},"content":{"rendered":"\n<p>Trong th\u1eddi \u0111\u1ea1i s\u1ed1 hi\u1ec7n nay, <strong>Malware<\/strong> \u2013 hay ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i \u2013 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda ph\u1ed5 bi\u1ebfn v\u00e0 ph\u1ee9c t\u1ea1p nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u1ea3 c\u00e1 nh\u00e2n l\u1eabn t\u1ed5 ch\u1ee9c. Malware c\u00f3 kh\u1ea3 n\u0103ng x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh, thi\u1ebft b\u1ecb di \u0111\u1ed9ng, th\u1eadm ch\u00ed l\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y, t\u1eeb \u0111\u00f3 \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u, l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c g\u00e2y t\u1ed5n th\u1ea5t t\u00e0i ch\u00ednh nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n<p>Malware kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 virus truy\u1ec1n th\u1ed1ng m\u00e0 bao g\u1ed3m nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau v\u1edbi c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng tinh vi, kh\u00f3 ph\u00e1t hi\u1ec7n. Vi\u1ec7c hi\u1ec3u r\u00f5 <strong>malware <\/strong>l\u00e0 g\u00ec, c\u00e1ch n\u00f3 l\u00e2y nhi\u1ec5m, c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn, c\u0169ng nh\u01b0 nh\u1eefng bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u00e1nh hi\u1ec7u qu\u1ea3, l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 duy tr\u00ec an to\u00e0n trong m\u00f4i tr\u01b0\u1eddng s\u1ed1.<\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft n\u00e0y m\u00ecnh s\u1ebd c\u00f9ng b\u1ea1n \u0111i s\u00e2u v\u00e0o t\u1eebng kh\u00eda c\u1ea1nh c\u1ee7a malware, t\u1eeb nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c xu h\u01b0\u1edbng hi\u1ec7n \u0111\u1ea1i, nh\u1eb1m gi\u00fap ch\u00fang ta c\u00f3 c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u00e0 bi\u1ebft c\u00e1ch b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n tr\u01b0\u1edbc c\u00e1c m\u1ed1i nguy h\u1ea1i trong th\u1ebf gi\u1edbi s\u1ed1.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"606\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/malware-computer-1024x606.png\" alt=\"Hi\u1ec3u v\u1ec1 Malware: C\u00e1c lo\u1ea1i, t\u00e1c h\u1ea1i v\u00e0 c\u00e1ch b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng\" class=\"wp-image-1955\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/malware-computer-1024x606.png 1024w, https:\/\/kienthucmo.com\/wp-content\/uploads\/malware-computer-300x177.png 300w, https:\/\/kienthucmo.com\/wp-content\/uploads\/malware-computer-768x454.png 768w, https:\/\/kienthucmo.com\/wp-content\/uploads\/malware-computer.png 1062w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">1. Malware l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1.1 \u0110\u1ecbnh ngh\u0129a c\u01a1 b\u1ea3n<\/h3>\n\n\n\n<p><strong>Malware<\/strong> (vi\u1ebft t\u1eaft c\u1ee7a <em>malicious software<\/em>) l\u00e0 thu\u1eadt ng\u1eef ch\u1ec9 c\u00e1c ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi m\u1ee5c \u0111\u00edch x\u00e2m nh\u1eadp, l\u00e0m h\u1ecfng ho\u1eb7c \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u t\u1eeb h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh, thi\u1ebft b\u1ecb di \u0111\u1ed9ng ho\u1eb7c c\u00e1c n\u1ec1n t\u1ea3ng m\u1ea1ng. Kh\u00e1c v\u1edbi virus truy\u1ec1n th\u1ed1ng, malware l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m r\u1ed9ng h\u01a1n, bao g\u1ed3m nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau nh\u01b0 virus, worm, trojan, ransomware, spyware, rootkit\u2026<\/p>\n\n\n\n<p>M\u00ecnh th\u01b0\u1eddng h\u00ecnh dung malware nh\u01b0 m\u1ed9t \u201ck\u1ebb x\u00e2m nh\u1eadp th\u1ea7m l\u1eb7ng\u201d trong h\u1ec7 th\u1ed1ng. N\u00f3 c\u00f3 th\u1ec3 \u1ea9n m\u00ecnh, \u00e2m th\u1ea7m th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh vi g\u00e2y h\u1ea1i, t\u1eeb vi\u1ec7c \u0111\u00e1nh c\u1eafp th\u00f4ng tin c\u00e1 nh\u00e2n, ghi nh\u1eadn h\u00e0nh vi s\u1eed d\u1ee5ng m\u00e1y, \u0111\u1ebfn chi\u1ebfm quy\u1ec1n \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb, m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.2 Vai tr\u00f2 v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a malware<\/h3>\n\n\n\n<p>Malware kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t ph\u1ea7n m\u1ec1m g\u00e2y phi\u1ec1n to\u00e1i, m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng s\u00e2u r\u1ed9ng \u0111\u1ebfn d\u1eef li\u1ec7u, quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 ho\u1ea1t \u0111\u1ed9ng h\u1ec7 th\u1ed1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed1i v\u1edbi c\u00e1 nh\u00e2n:<\/strong>\n<ul class=\"wp-block-list\">\n<li>M\u1ea5t d\u1eef li\u1ec7u quan tr\u1ecdng nh\u01b0 t\u00e0i li\u1ec7u, h\u00ecnh \u1ea3nh ho\u1eb7c video.<\/li>\n\n\n\n<li>L\u1ed9 th\u00f4ng tin nh\u1ea1y c\u1ea3m, bao g\u1ed3m t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng, email, m\u1eadt kh\u1ea9u v\u00e0 c\u00e1c d\u1eef li\u1ec7u c\u00e1 nh\u00e2n kh\u00e1c.<\/li>\n\n\n\n<li>G\u00e2y ra c\u00e1c phi\u1ec1n ph\u1ee9c trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y ch\u1ea1y ch\u1eadm, xu\u1ea5t hi\u1ec7n qu\u1ea3ng c\u00e1o b\u1ea5t th\u01b0\u1eddng.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u0110\u1ed1i v\u1edbi t\u1ed5 ch\u1ee9c v\u00e0 doanh nghi\u1ec7p:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Gi\u00e1n \u0111o\u1ea1n h\u1ec7 th\u1ed1ng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng kinh doanh.<\/li>\n\n\n\n<li>M\u1ea5t d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m, th\u00f4ng tin kh\u00e1ch h\u00e0ng, k\u1ebf ho\u1ea1ch kinh doanh ho\u1eb7c t\u00e0i ch\u00ednh.<\/li>\n\n\n\n<li>G\u00e2y thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh v\u00e0 l\u00e0m gi\u1ea3m uy t\u00edn c\u1ee7a t\u1ed5 ch\u1ee9c.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Trong b\u1ed1i c\u1ea3nh hi\u1ec7n \u0111\u1ea1i:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Malware kh\u00f4ng ch\u1ec9 xu\u1ea5t hi\u1ec7n tr\u00ean m\u00e1y t\u00ednh c\u00e1 nh\u00e2n (PC) m\u00e0 c\u00f2n tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng, c\u00e1c thi\u1ebft b\u1ecb IoT th\u00f4ng minh, v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y (Cloud).<\/li>\n\n\n\n<li>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a m\u1ea1ng, \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 thi\u1ebft b\u1ecb th\u00f4ng minh khi\u1ebfn vi\u1ec7c ph\u00f2ng ch\u1ed1ng malware tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n, \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi d\u00f9ng v\u00e0 t\u1ed5 ch\u1ee9c ph\u1ea3i n\u00e2ng cao nh\u1eadn th\u1ee9c v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. C\u00e1c lo\u1ea1i malware ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"768\" height=\"428\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/types-of-malware.jpg\" alt=\"C\u00e1c lo\u1ea1i malware ph\u1ed5 bi\u1ebfn\" class=\"wp-image-1959\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/types-of-malware.jpg 768w, https:\/\/kienthucmo.com\/wp-content\/uploads\/types-of-malware-300x167.jpg 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 Virus<\/h3>\n\n\n\n<p><strong>Virus<\/strong> l\u00e0 lo\u1ea1i malware c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 sao ch\u00e9p v\u00e0 l\u00e2y lan qua c\u00e1c t\u1eadp tin ho\u1eb7c h\u1ec7 th\u1ed1ng. N\u00f3 th\u01b0\u1eddng c\u1ea7n s\u1ef1 can thi\u1ec7p c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 k\u00edch ho\u1ea1t, ch\u1eb3ng h\u1ea1n m\u1edf t\u1ec7p \u0111\u00ednh k\u00e8m ho\u1eb7c ch\u1ea1y ph\u1ea7n m\u1ec1m kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c. Virus c\u00f3 th\u1ec3 g\u00e2y m\u1ea5t d\u1eef li\u1ec7u, l\u00e0m ch\u1eadm m\u00e1y, ho\u1eb7c ph\u00e1 h\u1ee7y c\u00e1c t\u1ec7p quan tr\u1ecdng.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 minh h\u1ecda logic \u0111\u01a1n gi\u1ea3n (an to\u00e0n, ch\u1ec9 \u0111\u1ec3 h\u00ecnh dung c\u01a1 ch\u1ebf t\u1ef1 sao ch\u00e9p):<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 Worm<\/h3>\n\n\n\n<p><strong>Worm<\/strong> kh\u00e1c v\u1edbi virus \u1edf ch\u1ed7 n\u00f3 c\u00f3 th\u1ec3 t\u1ef1 l\u00e2y lan qua m\u1ea1ng m\u00e0 kh\u00f4ng c\u1ea7n t\u1ec7p ch\u1ee7. \u0110i\u1ec1u n\u00e0y khi\u1ebfn worm b\u00f9ng ph\u00e1t nhanh ch\u00f3ng, c\u00f3 th\u1ec3 t\u1ea5n c\u00f4ng nhi\u1ec1u m\u00e1y t\u00ednh c\u00f9ng l\u00fac, d\u1eabn \u0111\u1ebfn gi\u00e1n \u0111o\u1ea1n m\u1ea1ng, qu\u00e1 t\u1ea3i h\u1ec7 th\u1ed1ng v\u00e0 m\u1ea5t d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 Trojan (Ng\u1ef1a th\u00e0nh Troy)<\/h3>\n\n\n\n<p><strong>Trojan<\/strong> \u0111\u01b0\u1ee3c ng\u1ee5y trang d\u01b0\u1edbi d\u1ea1ng ph\u1ea7n m\u1ec1m h\u1ee3p ph\u00e1p nh\u01b0 tr\u00f2 ch\u01a1i, \u1ee9ng d\u1ee5ng hay t\u00e0i li\u1ec7u. Khi ng\u01b0\u1eddi d\u00f9ng c\u00e0i \u0111\u1eb7t, malware c\u00f3 th\u1ec3 \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u, ghi nh\u1eadn th\u00f4ng tin nh\u1ea1y c\u1ea3m, ho\u1eb7c m\u1edf backdoor cho hacker ki\u1ec3m so\u00e1t m\u00e1y t\u00ednh t\u1eeb xa. Trojan th\u01b0\u1eddng kh\u00f3 ph\u00e1t hi\u1ec7n v\u00ec n\u00f3 kh\u00f4ng t\u1ef1 sao ch\u00e9p nh\u01b0 virus hay worm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.4 Ransomware<\/h3>\n\n\n\n<p><strong>Ransomware<\/strong> m\u00e3 h\u00f3a d\u1eef li\u1ec7u c\u1ee7a n\u1ea1n nh\u00e2n v\u00e0 y\u00eau c\u1ea7u ti\u1ec1n chu\u1ed9c \u0111\u1ec3 gi\u1ea3i m\u00e3. \u0110\u00e2y l\u00e0 lo\u1ea1i malware nguy hi\u1ec3m nh\u1ea5t hi\u1ec7n nay, \u0111\u1eb7c bi\u1ec7t nh\u1eafm v\u00e0o doanh nghi\u1ec7p, v\u00ec n\u00f3 c\u00f3 th\u1ec3 khi\u1ebfn to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng b\u1ecb t\u00ea li\u1ec7t v\u00e0 d\u1eef li\u1ec7u quan tr\u1ecdng b\u1ecb chi\u1ebfm gi\u1eef.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.5 Spyware v\u00e0 Adware<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Spyware:<\/strong> Theo d\u00f5i h\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng v\u00e0 thu th\u1eadp th\u00f4ng tin nh\u1ea1y c\u1ea3m, nh\u01b0 m\u1eadt kh\u1ea9u, l\u1ecbch s\u1eed duy\u1ec7t web ho\u1eb7c d\u1eef li\u1ec7u c\u00e1 nh\u00e2n, m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng bi\u1ebft.<\/li>\n\n\n\n<li><strong>Adware:<\/strong> Hi\u1ec3n th\u1ecb qu\u1ea3ng c\u00e1o kh\u00f4ng mong mu\u1ed1n, \u0111\u00f4i khi k\u00e8m thu th\u1eadp d\u1eef li\u1ec7u \u0111\u1ec3 ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch th\u01b0\u01a1ng m\u1ea1i ho\u1eb7c nh\u1eafm qu\u1ea3ng c\u00e1o.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2.6 Rootkit<\/h3>\n\n\n\n<p><strong>Rootkit<\/strong> gi\u00fap malware \u1ea9n m\u00ecnh s\u00e2u trong h\u1ec7 th\u1ed1ng, chi\u1ebfm quy\u1ec1n \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n. \u0110\u00e2y l\u00e0 lo\u1ea1i malware r\u1ea5t tinh vi, kh\u00f3 x\u00f3a b\u1ecf v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i malware kh\u00e1c \u0111\u1ec3 t\u1ea5n c\u00f4ng l\u00e2u d\u00e0i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. C\u00e1ch malware l\u00e2y nhi\u1ec5m<\/h2>\n\n\n\n<p>Malware x\u00e2m nh\u1eadp h\u1ec7 th\u1ed1ng b\u1eb1ng nhi\u1ec1u <em>vector<\/em> kh\u00e1c nhau; m\u00ecnh t\u00f3m g\u1ecdn nh\u1eefng con \u0111\u01b0\u1eddng ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch nh\u1eadn bi\u1ebft\/s\u01a1 b\u1ed9 ph\u00f2ng tr\u00e1nh t\u1eebng lo\u1ea1i:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/Malware-lay-nhiem-1024x576.webp\" alt=\"C\u00e1ch malware l\u00e2y nhi\u1ec5m\" class=\"wp-image-1961\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/Malware-lay-nhiem-1024x576.webp 1024w, https:\/\/kienthucmo.com\/wp-content\/uploads\/Malware-lay-nhiem-300x169.webp 300w, https:\/\/kienthucmo.com\/wp-content\/uploads\/Malware-lay-nhiem-768x432.webp 768w, https:\/\/kienthucmo.com\/wp-content\/uploads\/Malware-lay-nhiem-1536x864.webp 1536w, https:\/\/kienthucmo.com\/wp-content\/uploads\/Malware-lay-nhiem-1300x731.webp 1300w, https:\/\/kienthucmo.com\/wp-content\/uploads\/Malware-lay-nhiem.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Qua email, t\u1ec7p t\u1ea3i v\u1ec1, v\u00e0 li\u00ean k\u1ebft \u0111\u1ed9c h\u1ea1i<\/strong><br>K\u1ebb t\u1ea5n c\u00f4ng g\u1eedi email c\u00f3 t\u1ec7p \u0111\u00ednh k\u00e8m ho\u1eb7c link gi\u1ea3 m\u1ea1o (phishing). Khi ng\u01b0\u1eddi d\u00f9ng m\u1edf t\u1ec7p ho\u1eb7c click link, m\u00e3 \u0111\u1ed9c \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t ho\u1eb7c t\u1ea3i v\u1ec1 m\u00e1y.<br><em>D\u1ea5u hi\u1ec7u:<\/em> email b\u1ea5t th\u01b0\u1eddng, \u0111\u1ecba ch\u1ec9 g\u1eedi kh\u00f4ng kh\u1edbp, t\u1ec7p \u0111\u00ednh k\u00e8m .exe\/.js ho\u1eb7c t\u1eadp tin n\u00e9n y\u00eau c\u1ea7u ch\u1ea1y file b\u00ean trong.<br><em>Ng\u0103n ch\u1eb7n nhanh:<\/em> kh\u00f4ng m\u1edf t\u1ec7p\/ link t\u1eeb ngu\u1ed3n l\u1ea1, ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 g\u1eedi, d\u00f9ng sandbox\/preview n\u1ebfu c\u1ea7n.<\/li>\n\n\n\n<li><strong>Thi\u1ebft b\u1ecb l\u01b0u tr\u1eef di \u0111\u1ed9ng (USB, \u1ed5 c\u1ee9ng ngo\u00e0i)<\/strong><br>USB nhi\u1ec5m m\u00e3 \u0111\u1ed9c c\u00f3 th\u1ec3 t\u1ef1 ch\u1ea1y (autorun) ho\u1eb7c ch\u1ee9a file \u0111\u1ed9c. C\u1eafm USB l\u1ea1 c\u00f3 th\u1ec3 truy\u1ec1n malware v\u00e0o m\u00e1y.<br><em>D\u1ea5u hi\u1ec7u:<\/em> xu\u1ea5t hi\u1ec7n file l\u1ea1 ho\u1eb7c shortcut b\u1ea5t th\u01b0\u1eddng tr\u00ean USB.<br><em>Ng\u0103n ch\u1eb7n nhanh:<\/em> t\u1eaft autorun, qu\u00e9t USB b\u1eb1ng antivirus tr\u01b0\u1edbc khi m\u1edf, ch\u1ec9 d\u00f9ng USB tin c\u1eady.<\/li>\n\n\n\n<li><strong>Khai th\u00e1c l\u1ed7 h\u1ed5ng ph\u1ea7n m\u1ec1m (exploits)<\/strong><br>Hacker l\u1ee3i d\u1ee5ng bug trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh, tr\u00ecnh duy\u1ec7t, plugin \u0111\u1ec3 ch\u1ea1y m\u00e3 t\u1eeb xa m\u00e0 kh\u00f4ng c\u1ea7n ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c. \u0110\u00e2y l\u00e0 nguy\u00ean nh\u00e2n c\u1ee7a nhi\u1ec1u v\u1ee5 l\u00e2y lan nhanh.<br><em>D\u1ea5u hi\u1ec7u:<\/em> h\u1ec7 th\u1ed1ng b\u1ecb t\u1ea5n c\u00f4ng d\u00f9 kh\u00f4ng c\u00f3 h\u00e0nh \u0111\u1ed9ng r\u00f5 r\u00e0ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng; logs\/alert t\u1eeb IDS\/AV.<br><em>Ng\u0103n ch\u1eb7n nhanh:<\/em> c\u1eadp nh\u1eadt b\u1ea3n v\u00e1 k\u1ecbp th\u1eddi, t\u1eaft c\u00e1c d\u1ecbch v\u1ee5\/port kh\u00f4ng c\u1ea7n thi\u1ebft, d\u00f9ng WAF\/IDS.<\/li>\n\n\n\n<li><strong>Social engineering (k\u1ef9 thu\u1eadt l\u1eeba ng\u01b0\u1eddi d\u00f9ng)<\/strong><br>Thay v\u00ec t\u1ea5n c\u00f4ng c\u00f4ng ngh\u1ec7, h\u1ecd t\u1ea5n c\u00f4ng con ng\u01b0\u1eddi: gi\u1ea3 m\u1ea1o \u0111\u1ed3ng nghi\u1ec7p, tin nh\u1eafn t\u1eeb \u201cng\u00e2n h\u00e0ng\u201d, y\u00eau c\u1ea7u chuy\u1ec3n ti\u1ec1n, ho\u1eb7c link \u0111\u0103ng nh\u1eadp gi\u1ea3. Ng\u01b0\u1eddi d\u00f9ng l\u00e0m theo th\u00ec l\u1ed9 th\u00f4ng tin ho\u1eb7c c\u00e0i ph\u1ea7n m\u1ec1m.<br><em>D\u1ea5u hi\u1ec7u:<\/em> y\u00eau c\u1ea7u kh\u1ea9n c\u1ea5p, gi\u1ecdng \u0111i\u1ec7u g\u00e2y lo l\u1eafng, URL\/\u0111\u1ecba ch\u1ec9 kh\u00f4ng kh\u1edbp.<br><em>Ng\u0103n ch\u1eb7n nhanh:<\/em> nghi ng\u1edd c\u00e1c y\u00eau c\u1ea7u kh\u1ea9n, x\u00e1c th\u1ef1c qua k\u00eanh kh\u00e1c, kh\u00f4ng nh\u1eadp th\u00f4ng tin nh\u1ea1y c\u1ea3m tr\u00ean trang l\u1ea1.<\/li>\n\n\n\n<li><strong>M\u1ea1ng x\u00e3 h\u1ed9i v\u00e0 \u1ee9ng d\u1ee5ng nh\u1eafn tin<\/strong><br>Link ho\u1eb7c file \u0111\u1ed9c \u0111\u01b0\u1ee3c chia s\u1ebb tr\u00ean Facebook, Telegram, Zalo\u2026 Ng\u01b0\u1eddi d\u00f9ng click tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng ho\u1eb7c desktop s\u1ebd b\u1ecb l\u00e2y.<br><em>D\u1ea5u hi\u1ec7u:<\/em> tin nh\u1eafn t\u1eeb t\u00e0i kho\u1ea3n l\u1ea1 ho\u1eb7c b\u1ea1n b\u00e8 nh\u01b0ng n\u1ed9i dung b\u1ea5t th\u01b0\u1eddng.<br><em>Ng\u0103n ch\u1eb7n nhanh:<\/em> t\u1eaft t\u1ef1 \u0111\u1ed9ng t\u1ea3i file, ki\u1ec3m tra link b\u1eb1ng preview, c\u1ea3nh b\u00e1o b\u1ea1n b\u00e8 khi t\u00e0i kho\u1ea3n h\u1ecd g\u1eedi link kh\u1ea3 nghi (c\u00f3 th\u1ec3 t\u00e0i kho\u1ea3n h\u1ecd \u0111\u00e3 b\u1ecb x\u00e2m).<\/li>\n\n\n\n<li><strong>Chu\u1ed7i cung \u1ee9ng ph\u1ea7n m\u1ec1m (supply-chain attacks)<\/strong><br>Malware \u0111\u01b0\u1ee3c c\u00e0i s\u1eb5n trong b\u1ea3n c\u1eadp nh\u1eadt ho\u1eb7c th\u01b0 vi\u1ec7n m\u00e0 nhi\u1ec1u b\u00ean c\u00f9ng s\u1eed d\u1ee5ng \u2014 nhi\u1ec5m qua ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c tin t\u01b0\u1edfng.<br><em>D\u1ea5u hi\u1ec7u:<\/em> ph\u1ea7n m\u1ec1m h\u1ee3p l\u1ec7 ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng sau c\u1eadp nh\u1eadt.<br><em>Ng\u0103n ch\u1eb7n nhanh:<\/em> ch\u1ec9 d\u00f9ng ngu\u1ed3n ch\u00ednh th\u1ee9c, ki\u1ec3m tra ch\u1eef k\u00fd s\u1ed1, \u00e1p d\u1ee5ng nguy\u00ean t\u1eafc least privilege.<\/li>\n<\/ul>\n\n\n\n<p>T\u00f3m l\u1ea1i: nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p malware th\u00e0nh c\u00f4ng v\u00ec con ng\u01b0\u1eddi b\u1ea5m v\u00e0o link\/t\u1ea3i t\u1ec7p, ho\u1eb7c h\u1ec7 th\u1ed1ng ch\u01b0a \u0111\u01b0\u1ee3c v\u00e1. M\u00ecnh khuy\u00ean lu\u00f4n k\u1ebft h\u1ee3p nh\u1eadn th\u1ee9c ng\u01b0\u1eddi d\u00f9ng + c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m + gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt (AV, firewall, backup) \u0111\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 r\u1ee7i ro.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Tri\u1ec3n khai v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a malware<\/h2>\n\n\n\n<p>Malware hi\u1ec7n di\u1ec7n v\u00e0 g\u00e2y h\u1ea1i kh\u00e1c nhau t\u00f9y n\u1ec1n t\u1ea3ng \u2014 hi\u1ec3u r\u00f5 \u0111i\u1ec3m y\u1ebfu v\u00e0 d\u1ea1ng t\u1ea5n c\u00f4ng tr\u00ean t\u1eebng n\u1ec1n t\u1ea3ng s\u1ebd gi\u00fap ch\u00fang ta ch\u1ecdn bi\u1ec7n ph\u00e1p ph\u00f2ng v\u1ec7 th\u00edch h\u1ee3p.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Platform<\/strong><\/th><th><strong>Common Malware<\/strong><\/th><th><strong>Impact<\/strong><\/th><th><strong>C\u00e1ch ph\u00f2ng tr\u00e1nh<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Windows<\/td><td>Virus, Trojan, Ransomware<\/td><td>M\u1ea5t d\u1eef li\u1ec7u, gi\u00e1n \u0111o\u1ea1n h\u1ec7 th\u1ed1ng, t\u1ed5n th\u1ea5t t\u00e0i ch\u00ednh<\/td><td>C\u1eadp nh\u1eadt OS &amp; ph\u1ea7n m\u1ec1m, d\u00f9ng antivirus, backup \u0111\u1ecbnh k\u1ef3, t\u1eaft d\u1ecbch v\u1ee5 kh\u00f4ng c\u1ea7n thi\u1ebft<\/td><\/tr><tr><td>macOS<\/td><td>Trojan, Adware<\/td><td>M\u1ea5t quy\u1ec1n ki\u1ec3m so\u00e1t, r\u00f2 r\u1ec9 d\u1eef li\u1ec7u, h\u1ec7 th\u1ed1ng ch\u1eadm<\/td><td>Ch\u1ec9 c\u00e0i ph\u1ea7n m\u1ec1m t\u1eeb ngu\u1ed3n tin c\u1eady, c\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh, d\u00f9ng antivirus\/macOS security<\/td><\/tr><tr><td>Android<\/td><td>Trojan, Spyware, Adware<\/td><td>R\u00f2 r\u1ec9 th\u00f4ng tin c\u00e1 nh\u00e2n, hao pin, thi\u1ebft b\u1ecb b\u1ecb chi\u1ebfm quy\u1ec1n<\/td><td>C\u00e0i app t\u1eeb Play Store, ki\u1ec3m tra quy\u1ec1n \u1ee9ng d\u1ee5ng, c\u1eadp nh\u1eadt OS, kh\u00f4ng click link l\u1ea1<\/td><\/tr><tr><td>iOS<\/td><td>Spyware, Trojan<\/td><td>M\u1ea5t quy\u1ec1n ri\u00eang t\u01b0, d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m b\u1ecb l\u1ed9<\/td><td>C\u1eadp nh\u1eadt iOS, kh\u00f4ng jailbreak, ch\u1ec9 c\u00e0i app t\u1eeb App Store, ki\u1ec3m tra quy\u1ec1n app<\/td><\/tr><tr><td>IoT devices<\/td><td>Botnet malware<\/td><td>Chi\u1ebfm quy\u1ec1n thi\u1ebft b\u1ecb, t\u1ea5n c\u00f4ng DDoS, l\u00e2y lan sang h\u1ec7 th\u1ed1ng kh\u00e1c<\/td><td>\u0110\u1ed5i m\u1eadt kh\u1ea9u m\u1eb7c \u0111\u1ecbnh, c\u1eadp nh\u1eadt firmware, ph\u00e2n t\u00e1ch m\u1ea1ng, b\u1eadt logging\/gi\u00e1m s\u00e1t<\/td><\/tr><tr><td>Cloud<\/td><td>Ransomware, Supply-chain malware<\/td><td>\u0110\u00e1nh c\u1eafp d\u1eef li\u1ec7u t\u1eadp trung, gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5, r\u1ee7i ro quy m\u00f4 l\u1edbn<\/td><td>Ki\u1ec3m so\u00e1t quy\u1ec1n truy c\u1eadp, MFA, c\u1eadp nh\u1eadt patch, gi\u00e1m s\u00e1t b\u1ea5t th\u01b0\u1eddng, ch\u1ecdn nh\u00e0 cung c\u1ea5p uy t\u00edn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>M\u1ed7i n\u1ec1n t\u1ea3ng c\u00f3 \u0111\u1eb7c th\u00f9 t\u1ea5n c\u00f4ng v\u00e0 m\u1ee9c \u0111\u1ed9 r\u1ee7i ro kh\u00e1c nhau. PC v\u00e0 macOS th\u01b0\u1eddng b\u1ecb \u0111\u00e1nh v\u00e0o d\u1eef li\u1ec7u c\u00e1 nh\u00e2n v\u00e0 quy\u1ec1n ki\u1ec3m so\u00e1t h\u1ec7 th\u1ed1ng; Mobile t\u1eadp trung v\u00e0o quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 theo d\u00f5i h\u00e0nh vi; IoT v\u00e0 Cloud l\u00e0 m\u1ee5c ti\u00eau c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng quy m\u00f4 l\u1edbn nh\u01b0 botnet, ransomware hay supply-chain attack.<\/p>\n\n\n\n<p>Ph\u00f2ng tr\u00e1nh malware hi\u1ec7u qu\u1ea3 \u0111\u00f2i h\u1ecfi k\u1ebft h\u1ee3p bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt v\u00e0 n\u00e2ng cao nh\u1eadn th\u1ee9c ng\u01b0\u1eddi d\u00f9ng, t\u1eeb c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m, s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt, t\u1edbi th\u00f3i quen an to\u00e0n trong s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb v\u00e0 m\u1ea1ng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"450\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/malware-la-gi.jpg\" alt=\"Tri\u1ec3n khai v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a malware\" class=\"wp-image-1963\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/malware-la-gi.jpg 1000w, https:\/\/kienthucmo.com\/wp-content\/uploads\/malware-la-gi-300x135.jpg 300w, https:\/\/kienthucmo.com\/wp-content\/uploads\/malware-la-gi-768x346.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">5. C\u00e1ch ph\u00f2ng tr\u00e1nh malware<\/h2>\n\n\n\n<p>Ph\u00f2ng tr\u00e1nh malware hi\u1ec7u qu\u1ea3 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o c\u00f4ng c\u1ee5 k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o <strong>nh\u1eadn th\u1ee9c v\u00e0 th\u00f3i quen b\u1ea3o m\u1eadt c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/strong>. M\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p quan tr\u1ecdng g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ecbnh k\u1ef3:<\/strong><br>C\u00e1c b\u1ea3n c\u1eadp nh\u1eadt th\u01b0\u1eddng ch\u1ee9a b\u1ea3n v\u00e1 l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt. M\u00e1y t\u00ednh ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt s\u1ebd d\u1ec5 tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau t\u1ea5n c\u00f4ng.<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng antivirus v\u00e0 firewall:<\/strong><br>Ph\u1ea7n m\u1ec1m di\u1ec7t virus gi\u00fap ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n malware k\u1ecbp th\u1eddi, trong khi firewall gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng v\u00e0 ch\u1eb7n c\u00e1c k\u1ebft n\u1ed1i \u0111\u00e1ng ng\u1edd.<\/li>\n\n\n\n<li><strong>C\u1ea9n th\u1eadn v\u1edbi email, link v\u00e0 t\u1ec7p t\u1ea3i v\u1ec1:<\/strong><br>Kh\u00f4ng m\u1edf t\u1ec7p \u0111\u00ednh k\u00e8m ho\u1eb7c click link t\u1eeb ngu\u1ed3n kh\u00f4ng r\u00f5 r\u00e0ng. Phishing qua email l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 malware x\u00e2m nh\u1eadp.<\/li>\n\n\n\n<li><strong>Backup d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3:<\/strong><br>Vi\u1ec7c sao l\u01b0u d\u1eef li\u1ec7u gi\u00fap gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i n\u1ebfu thi\u1ebft b\u1ecb b\u1ecb ransomware ho\u1eb7c virus t\u1ea5n c\u00f4ng. Backup n\u00ean \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ngo\u00e0i thi\u1ebft b\u1ecb ch\u00ednh.<\/li>\n\n\n\n<li><strong>Hi\u1ec3u v\u1ec1 phishing v\u00e0 social engineering:<\/strong><br>Nh\u1eadn bi\u1ebft c\u00e1c chi\u00eau tr\u00f2 l\u1eeba \u0111\u1ea3o, gi\u1ea3 m\u1ea1o email, website ho\u1eb7c tin nh\u1eafn \u0111\u1ec3 tr\u00e1nh b\u1ecb d\u1ee5 nh\u1eadp th\u00f4ng tin c\u00e1 nh\u00e2n ho\u1eb7c c\u00e0i malware.<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c b\u1ea1n n\u00ean duy tr\u00ec th\u00f3i quen ki\u1ec3m tra v\u00e0 c\u1ea3nh gi\u00e1c v\u1edbi c\u00e1c li\u00ean k\u1ebft, t\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng l\u1ea1, \u0111\u1ec3 gi\u1ea3m t\u1ed1i \u0111a nguy c\u01a1 malware x\u00e2m nh\u1eadp v\u00e0o m\u00e1y t\u00ednh c\u00e1 nh\u00e2n v\u00e0 \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Xu h\u01b0\u1edbng malware hi\u1ec7n \u0111\u1ea1i<\/h2>\n\n\n\n<p>Malware ng\u00e0y nay kh\u00f4ng c\u00f2n ch\u1ec9 t\u1ea5n c\u00f4ng m\u00e1y t\u00ednh c\u00e1 nh\u00e2n m\u00e0 \u0111ang ti\u1ebfn h\u00f3a ph\u1ee9c t\u1ea1p v\u00e0 \u0111a d\u1ea1ng h\u01a1n, nh\u1eafm v\u00e0o nhi\u1ec1u n\u1ec1n t\u1ea3ng v\u00e0 khai th\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1ea5n c\u00f4ng Cloud v\u00e0 SaaS:<\/strong> Malware nh\u1eafm v\u00e0o d\u1eef li\u1ec7u l\u01b0u tr\u1eef tr\u1ef1c tuy\u1ebfn, khai th\u00e1c l\u1ed7 h\u1ed5ng c\u1ea5u h\u00ecnh, chi\u1ebfm quy\u1ec1n qu\u1ea3n tr\u1ecb ho\u1eb7c \u0111\u00e1nh c\u1eafp th\u00f4ng tin t\u1eeb c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00e1m m\u00e2y.<\/li>\n\n\n\n<li><strong>Mobile malware t\u0103ng m\u1ea1nh:<\/strong> V\u1edbi l\u01b0\u1ee3ng thi\u1ebft b\u1ecb di \u0111\u1ed9ng ng\u00e0y c\u00e0ng nhi\u1ec1u, malware tr\u00ean Android v\u00e0 iOS \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng, t\u1eeb trojan, spyware, \u0111\u1ebfn ransomware tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng, \u0111e d\u1ecda quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n.<\/li>\n\n\n\n<li><strong>AI malware:<\/strong> Malware s\u1eed d\u1ee5ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o \u0111\u1ec3 tinh vi h\u00f3a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng, t\u1eeb vi\u1ec7c ch\u1ecdn m\u1ee5c ti\u00eau, n\u00e9 h\u1ec7 th\u1ed1ng ph\u00f2ng v\u1ec7, \u0111\u1ebfn t\u1ea1o n\u1ed9i dung l\u1eeba \u0111\u1ea3o r\u1ea5t thuy\u1ebft ph\u1ee5c.<\/li>\n\n\n\n<li><strong>Malware \u1ea9n trong IoT devices:<\/strong> Thi\u1ebft b\u1ecb th\u00f4ng minh nh\u01b0 camera, router, sensor d\u1ec5 b\u1ecb l\u1ee3i d\u1ee5ng \u0111\u1ec3 t\u1ea1o <strong>botnet<\/strong>, t\u1ea5n c\u00f4ng quy m\u00f4 l\u1edbn nh\u01b0 DDoS, ho\u1eb7c l\u00e0m gateway x\u00e2m nh\u1eadp c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c.<\/li>\n\n\n\n<li><strong>Ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o v\u1ec7 hi\u1ec7n \u0111\u1ea1i:<\/strong> \u0110\u1ec3 \u0111\u1ed1i ph\u00f3 malware ph\u1ee9c t\u1ea1p, c\u00e1c t\u1ed5 ch\u1ee9c \u00e1p d\u1ee5ng Threat Intelligence, ph\u00e2n t\u00edch h\u00e0nh vi, Machine Learning \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ea5t th\u01b0\u1eddng v\u00e0 ng\u0103n ch\u1eb7n malware tr\u01b0\u1edbc khi n\u00f3 g\u00e2y h\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<p>Nh\u00ecn chung, malware \u0111ang tr\u1edf n\u00ean tinh vi v\u00e0 \u0111a n\u1ec1n t\u1ea3ng, \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi d\u00f9ng v\u00e0 doanh nghi\u1ec7p ph\u1ea3i k\u1ebft h\u1ee3p bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt hi\u1ec7n \u0111\u1ea1i v\u00e0 nh\u1eadn th\u1ee9c an to\u00e0n \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 h\u1ec7 th\u1ed1ng.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"910\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/represents-cloud-malware.webp\" alt=\"Xu h\u01b0\u1edbng malware hi\u1ec7n \u0111\u1ea1i\" class=\"wp-image-1965\" style=\"width:604px;height:auto\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/represents-cloud-malware.webp 1024w, https:\/\/kienthucmo.com\/wp-content\/uploads\/represents-cloud-malware-300x267.webp 300w, https:\/\/kienthucmo.com\/wp-content\/uploads\/represents-cloud-malware-768x683.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">7. K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>Malware \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi trong th\u1ebf gi\u1edbi s\u1ed1, t\u1eeb m\u00e1y t\u00ednh c\u00e1 nh\u00e2n \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i, IoT v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y. Hi\u1ec3u r\u00f5 malware l\u00e0 g\u00ec, c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn, c\u00e1ch l\u00e2y nhi\u1ec5m v\u00e0 t\u00e1c \u0111\u1ed9ng tr\u00ean t\u1eebng n\u1ec1n t\u1ea3ng l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 h\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang ta.<\/p>\n\n\n\n<p>Ph\u00f2ng tr\u00e1nh malware hi\u1ec7u qu\u1ea3 \u0111\u00f2i h\u1ecfi k\u1ebft h\u1ee3p ki\u1ebfn th\u1ee9c, th\u00f3i quen b\u1ea3o m\u1eadt v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 k\u1ef9 thu\u1eadt nh\u01b0 c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m, s\u1eed d\u1ee5ng antivirus, backup \u0111\u1ecbnh k\u1ef3 v\u00e0 nh\u1eadn di\u1ec7n c\u00e1c chi\u00eau tr\u00f2 phishing\/social engineering. \u0110\u1ed3ng th\u1eddi, v\u1edbi xu h\u01b0\u1edbng malware hi\u1ec7n \u0111\u1ea1i, vi\u1ec7c \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 gi\u00e1m s\u00e1t h\u00e0nh vi, tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 threat intelligence s\u1ebd gi\u00fap ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n s\u1edbm c\u00e1c m\u1ed1i nguy h\u1ea1i.<\/p>\n\n\n\n<p>Nh\u00ecn chung, nh\u1eadn th\u1ee9c, th\u00f3i quen an to\u00e0n v\u00e0 gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u00e0 duy tr\u00ec an to\u00e0n trong m\u00f4i tr\u01b0\u1eddng s\u1ed1 ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p. Vi\u1ec7c ch\u1ee7 \u0111\u1ed9ng b\u1ea3o v\u1ec7 kh\u00f4ng ch\u1ec9 b\u1ea3o v\u1ec7 c\u00e1 nh\u00e2n m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 c\u1ed9ng \u0111\u1ed3ng m\u1ea1ng v\u00e0 h\u1ec7 th\u1ed1ng th\u00f4ng tin chung.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n\n\n\n<p>[1] P. Szor, <em>The Art of Computer Virus Research and Defense<\/em>, 2nd ed. Boston, MA: Addison-Wesley, 2005.[2] M. Howard and D. LeBlanc, <em>Writing Secure Code<\/em>, 2nd ed. Redmond, WA: Microsoft Press, 2003.[3] Symantec, \u201cWhat is Malware? Types of Malware Explained,\u201d 2023. [Online]. Available: <a>https:\/\/www.symantec.com\/blogs\/threat-intelligence\/what-is-malware<\/a>. [Accessed: Oct. 6, 2025].[4] Kaspersky, \u201cMalware types and how to protect yourself,\u201d 2024. [Online]. Available: <a>https:\/\/www.kaspersky.com\/resource-center\/threats\/malware<\/a>. [Accessed: Oct. 6, 2025].[5] M. E. Whitman and H. J. Mattord, <em>Principles of Information Security<\/em>, 7th ed. Boston, MA: Cengage, 2021.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong th\u1eddi \u0111\u1ea1i s\u1ed1 hi\u1ec7n nay, malware \u2013 hay ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i \u2013 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda ph\u1ed5 bi\u1ebfn v\u00e0 ph\u1ee9c t\u1ea1p nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u1ea3 c\u00e1 nh\u00e2n l\u1eabn t\u1ed5 ch\u1ee9c. Malware c\u00f3 kh\u1ea3 n\u0103ng x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh, thi\u1ebft b\u1ecb di \u0111\u1ed9ng, th\u1eadm ch\u00ed l\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y, t\u1eeb \u0111\u00f3 \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u, l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c g\u00e2y t\u1ed5n th\u1ea5t t\u00e0i ch\u00ednh nghi\u00eam tr\u1ecdng.<\/p>\n","protected":false},"author":1,"featured_media":1971,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowieHDDA:productID":"","footnotes":""},"categories":[20,21],"tags":[],"class_list":["post-1895","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-an-toan-thong-tin","category-may-tinh-phan-mem"],"_links":{"self":[{"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/posts\/1895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/comments?post=1895"}],"version-history":[{"count":3,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/posts\/1895\/revisions"}],"predecessor-version":[{"id":3195,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/posts\/1895\/revisions\/3195"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/media\/1971"}],"wp:attachment":[{"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/media?parent=1895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/categories?post=1895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/tags?post=1895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}