{"id":478286,"date":"2023-08-09T09:30:24","date_gmt":"2023-08-09T09:30:24","guid":{"rendered":""},"modified":"2023-09-05T11:16:27","modified_gmt":"2023-09-05T11:16:27","slug":"opportunistic-attack","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/opportunistic-attack\/","title":{"rendered":"T\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i"},"content":{"rendered":"<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng c\u01a1 h\u1ed9i ho\u1eb7c ch\u1ec9 l\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda c\u01a1 h\u1ed9i, l\u00e0 m\u1ed9t lo\u1ea1i m\u1ed1i \u0111e d\u1ecda m\u1ea1ng l\u1ee3i d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng, m\u1ea1ng ho\u1eb7c ph\u1ea7n m\u1ec1m d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng m\u00e0 kh\u00f4ng nh\u1eafm m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 v\u00e0o ch\u00fang. C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y d\u1ef1a tr\u00ean c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ef1 \u0111\u1ed9ng v\u00e0 khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng d\u1ec5 truy c\u1eadp \u0111\u1ec3 x\u00e2m ph\u1ea1m nhi\u1ec1u m\u1ee5c ti\u00eau ti\u1ec1m n\u0103ng. Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng t\u1ea1o ra m\u1ed9t m\u1ea1ng l\u01b0\u1edbi r\u1ed9ng l\u1edbn, t\u00ecm ki\u1ebfm m\u1ecdi c\u01a1 h\u1ed9i \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p, \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m ho\u1eb7c khai th\u00e1c t\u00e0i nguy\u00ean cho m\u1ee5c \u0111\u00edch x\u1ea5u.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m v\u1ec1 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i trong l\u0129nh v\u1ef1c an ninh m\u1ea1ng c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a Internet v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng n\u1ed1i m\u1ea1ng. Tuy nhi\u00ean, ph\u1ea3i \u0111\u1ebfn khi c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 bot t\u1ef1 \u0111\u1ed9ng ph\u1ed5 bi\u1ebfn th\u00ec c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y m\u1edbi tr\u1edf n\u00ean n\u1ed5i b\u1eadt. S\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u00e1ng k\u1ec3 \u0111\u1ea7u ti\u00ean v\u1ec1 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn s\u1ef1 gia t\u0103ng c\u1ee7a s\u00e2u v\u00e0 virus v\u00e0o cu\u1ed1i th\u1ebf k\u1ef7 20.<\/p>\n<p>M\u1ed9t s\u1ef1 ki\u1ec7n l\u1ecbch s\u1eed \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 \u201cMorris Worm\u201d, do Robert Tappan Morris t\u1ea1o ra v\u00e0o n\u0103m 1988. Lo\u1ea1i s\u00e2u t\u1ef1 sao ch\u00e9p n\u00e0y nh\u1eafm v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng Unix d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng, l\u00e2y lan nhanh ch\u00f3ng v\u00e0 v\u00f4 t\u00ecnh g\u00e2y ra s\u1ef1 gi\u00e1n \u0111o\u1ea1n tr\u00ean di\u1ec7n r\u1ed9ng. Morris Worm \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t trong nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng mang t\u00ednh c\u01a1 h\u1ed9i \u0111\u1ea7u ti\u00ean, n\u00eau b\u1eadt nh\u1eefng m\u1ed1i nguy hi\u1ec3m ti\u1ec1m \u1ea9n do nh\u1eefng m\u1ed1i \u0111e d\u1ecda nh\u01b0 v\u1eady g\u00e2y ra.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 T\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc gi\u0103ng l\u01b0\u1edbi r\u1ed9ng nh\u1eb1m t\u1ed1i \u0111a h\u00f3a c\u01a1 h\u1ed9i th\u00e0nh c\u00f4ng. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u00f3 ch\u1ee7 \u0111\u00edch, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i kh\u00f4ng nh\u1eafm m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 v\u00e0o c\u00e1c c\u00e1 nh\u00e2n ho\u1eb7c t\u1ed5 ch\u1ee9c c\u1ee5 th\u1ec3. Thay v\u00e0o \u0111\u00f3, ch\u00fang khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng \u0111\u00e3 bi\u1ebft ho\u1eb7c c\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt y\u1ebfu tr\u00ean nhi\u1ec1u m\u1ee5c ti\u00eau ti\u1ec1m n\u0103ng. M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Ph\u00e2n ph\u1ed1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i<\/strong>: Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 vi r\u00fat, Trojan ho\u1eb7c ransomware, \u0111\u1ec3 l\u00e2y nhi\u1ec5m v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng. C\u00e1c ch\u1ee7ng ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i n\u00e0y th\u01b0\u1eddng l\u00e2y lan qua t\u1ec7p \u0111\u00ednh k\u00e8m email, trang web b\u1ecb nhi\u1ec5m ho\u1eb7c ph\u1ea7n m\u1ec1m b\u1ecb x\u00e2m nh\u1eadp.<\/p>\n<\/li>\n<li>\n<p><strong>Nh\u1ed3i th\u00f4ng tin x\u00e1c th\u1ef1c<\/strong>: Trong k\u1ef9 thu\u1eadt n\u00e0y, k\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng c\u1eb7p t\u00ean ng\u01b0\u1eddi d\u00f9ng-m\u1eadt kh\u1ea9u b\u1ecb \u0111\u00e1nh c\u1eafp t\u1eeb c\u00e1c l\u1ea7n vi ph\u1ea1m d\u1eef li\u1ec7u tr\u01b0\u1edbc \u0111\u00f3 \u0111\u1ec3 c\u00f3 quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o nhi\u1ec1u t\u00e0i kho\u1ea3n tr\u1ef1c tuy\u1ebfn kh\u00e1c nhau. V\u00ec nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng l\u1ea1i m\u1eadt kh\u1ea9u tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng n\u00ean ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 \u0111\u00e1ng ng\u1ea1c nhi\u00ean.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1ea5n c\u00f4ng v\u0169 phu<\/strong>: T\u1ed9i ph\u1ea1m m\u1ea1ng s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 th\u1eed m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng t\u1ea5t c\u1ea3 c\u00e1c t\u1ed5 h\u1ee3p m\u1eadt kh\u1ea9u c\u00f3 th\u1ec3 c\u00f3 cho \u0111\u1ebfn khi ch\u00fang t\u00ecm th\u1ea5y t\u1ed5 h\u1ee3p m\u1eadt kh\u1ea9u ch\u00ednh x\u00e1c \u0111\u1ec3 truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n (DDoS)<\/strong>: Trong c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS, m\u1ed9t l\u01b0\u1ee3ng l\u1edbn y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ec3 l\u00e0m qu\u00e1 t\u1ea3i m\u00e1y ch\u1ee7 ho\u1eb7c m\u1ea1ng m\u1ee5c ti\u00eau, g\u00e2y gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<\/li>\n<li>\n<p><strong>Botnet IoT<\/strong>: C\u00e1c thi\u1ebft b\u1ecb Internet of Things (IoT) c\u00f3 b\u1ea3o m\u1eadt y\u1ebfu r\u1ea5t d\u1ec5 b\u1ecb k\u1ebb t\u1ea5n c\u00f4ng chi\u1ebfm quy\u1ec1n \u0111i\u1ec1u khi\u1ec3n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a m\u1ea1ng botnet \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng quy m\u00f4 l\u1edbn h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>Khai th\u00e1c l\u1ed7 h\u1ed5ng ph\u1ea7n m\u1ec1m<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng nh\u1eafm v\u00e0o c\u00e1c l\u1ed7 h\u1ed5ng ph\u1ea7n m\u1ec1m ch\u01b0a \u0111\u01b0\u1ee3c v\u00e1 ho\u1eb7c l\u1ed7i th\u1eddi \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p ho\u1eb7c th\u1ef1c thi m\u00e3 \u0111\u1ed9c tr\u00ean h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i. C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00e1c quy tr\u00ecnh v\u00e0 c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng, cho ph\u00e9p t\u1ed9i ph\u1ea1m m\u1ea1ng th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng tr\u00ean quy m\u00f4 l\u1edbn v\u1edbi n\u1ed7 l\u1ef1c t\u1ed1i thi\u1ec3u. C\u00e1c b\u01b0\u1edbc ch\u00ednh li\u00ean quan \u0111\u1ebfn m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>\u0110ang qu\u00e9t<\/strong>: K\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 qu\u00e9t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ee5c ti\u00eau ti\u1ec1m n\u0103ng c\u00f3 l\u1ed7 h\u1ed5ng \u0111\u00e3 bi\u1ebft. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y th\u0103m d\u00f2 c\u00e1c c\u1ed5ng m\u1edf, ph\u1ea7n m\u1ec1m ch\u01b0a \u0111\u01b0\u1ee3c v\u00e1 ho\u1eb7c c\u00e1c \u0111i\u1ec3m y\u1ebfu kh\u00e1c trong h\u1ec7 th\u1ed1ng v\u00e0 m\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p><strong>li\u1ec7t k\u00ea<\/strong>: Sau khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau ti\u1ec1m n\u0103ng, k\u1ebb t\u1ea5n c\u00f4ng c\u1ed1 g\u1eafng thu th\u1eadp th\u00f4ng tin b\u1ed5 sung v\u1ec1 h\u1ec7 th\u1ed1ng m\u1ee5c ti\u00eau, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng, c\u1ea5u h\u00ecnh m\u1ea1ng v\u00e0 phi\u00ean b\u1ea3n ph\u1ea7n m\u1ec1m.<\/p>\n<\/li>\n<li>\n<p><strong>Khai th\u00e1c<\/strong>: T\u1ed9i ph\u1ea1m m\u1ea1ng s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 c\u00f4ng c\u1ee5 ho\u1eb7c t\u1eadp l\u1ec7nh khai th\u00e1c t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 t\u1eadn d\u1ee5ng c\u00e1c l\u1ed7 h\u1ed5ng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. Vi\u1ec7c khai th\u00e1c c\u00f3 th\u1ec3 bao g\u1ed3m th\u1ef1c thi m\u00e3, leo thang \u0111\u1eb7c quy\u1ec1n ho\u1eb7c truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<\/li>\n<li>\n<p><strong>Th\u1ecfa hi\u1ec7p<\/strong>: Sau khi khai th\u00e1c th\u00e0nh c\u00f4ng, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o h\u1ec7 th\u1ed1ng m\u1ee5c ti\u00eau, cho ph\u00e9p ch\u00fang th\u1ef1c hi\u1ec7n nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i kh\u00e1c nhau.<\/p>\n<\/li>\n<li>\n<p><strong>Sau khai th\u00e1c<\/strong>: Khi \u0111\u00e3 \u1edf b\u00ean trong h\u1ec7 th\u1ed1ng b\u1ecb x\u00e2m nh\u1eadp, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 tri\u1ec3n khai th\u00eam ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, n\u00e2ng c\u1ea5p \u0111\u1eb7c quy\u1ec1n ho\u1eb7c duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00e9o d\u00e0i.<\/p>\n<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i s\u1edf h\u1eefu m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh \u0111\u1ec3 ph\u00e2n bi\u1ec7t ch\u00fang v\u1edbi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u00f3 ch\u1ee7 \u0111\u00edch:<\/p>\n<ol>\n<li>\n<p><strong>Ph\u1ea1m vi r\u1ed9ng<\/strong>: Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u00f3 ch\u1ee7 \u0111\u00edch t\u1eadp trung v\u00e0o c\u00e1c c\u00e1 nh\u00e2n ho\u1eb7c t\u1ed5 ch\u1ee9c c\u1ee5 th\u1ec3, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i l\u00e0 b\u1eeba b\u00e3i, nh\u1eafm v\u00e0o m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn n\u1ea1n nh\u00e2n ti\u1ec1m n\u0103ng.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng m\u1ea1ng botnet ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng, \u0111\u00f2i h\u1ecfi s\u1ef1 can thi\u1ec7p t\u1ed1i thi\u1ec3u c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: Do t\u00ednh ch\u1ea5t t\u1ef1 \u0111\u1ed9ng, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng quy m\u00f4 nhanh ch\u00f3ng, khi\u1ebfn ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec1u h\u1ec7 th\u1ed1ng c\u00f9ng m\u1ed9t l\u00fac.<\/p>\n<\/li>\n<li>\n<p><strong>R\u00e0o c\u1ea3n gia nh\u1eadp th\u1ea5p<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i l\u1ee3i d\u1ee5ng c\u00e1c l\u1ed7 h\u1ed5ng ph\u1ed5 bi\u1ebfn ho\u1eb7c c\u00e1c \u0111i\u1ec3m y\u1ebfu c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng khai th\u00e1c, khi\u1ebfn ch\u00fang c\u00f3 th\u1ec3 b\u1ecb truy c\u1eadp b\u1edfi nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng th\u1eadm ch\u00ed c\u00f2n k\u00e9m k\u1ef9 n\u0103ng h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00e2n s\u00f4 cao<\/strong>: V\u00ec c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i t\u1ea1o ra m\u1ed9t m\u1ea1ng l\u01b0\u1edbi r\u1ed9ng kh\u1eafp n\u00ean ch\u00fang th\u01b0\u1eddng xuy\u00ean b\u1ecb quan s\u00e1t v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 trong c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p><strong>M\u1ee5c ti\u00eau kh\u00f4ng th\u1ec3 \u0111o\u00e1n tr\u01b0\u1edbc<\/strong>: N\u1ea1n nh\u00e2n c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i c\u00f3 th\u1ec3 r\u1ea5t kh\u00e1c nhau, khi\u1ebfn vi\u1ec7c d\u1ef1 \u0111o\u00e1n ai s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c ki\u1ec3u t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i c\u00f3 nhi\u1ec1u h\u00ecnh th\u1ee9c kh\u00e1c nhau, m\u1ed7i h\u00ecnh th\u1ee9c khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng v\u00e0 \u0111i\u1ec3m y\u1ebfu kh\u00e1c nhau. M\u1ed9t s\u1ed1 lo\u1ea1i t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Giun<\/strong><\/td>\n<td>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i t\u1ef1 sao ch\u00e9p l\u00e2y lan tr\u00ean c\u00e1c m\u1ea1ng.<\/td>\n<\/tr>\n<tr>\n<td><strong>L\u1eeba \u0111\u1ea3o<\/strong><\/td>\n<td>Chi\u1ebfn thu\u1eadt l\u1eeba \u0111\u1ea3o \u0111\u1ec3 l\u1eeba ng\u01b0\u1eddi d\u00f9ng ti\u1ebft l\u1ed9 d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<tr>\n<td><strong>Botnet<\/strong><\/td>\n<td>M\u1ea1ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb b\u1ecb x\u00e2m nh\u1eadp \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch x\u1ea5u.<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n<\/strong><\/td>\n<td>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 y\u00eau c\u1ea7u ti\u1ec1n chu\u1ed9c \u0111\u1ec3 gi\u1ea3i m\u00e3.<\/td>\n<\/tr>\n<tr>\n<td><strong>Tr\u1ed9m c\u1eafp th\u00f4ng tin x\u00e1c th\u1ef1c<\/strong><\/td>\n<td>Thu th\u1eadp v\u00e0 s\u1eed d\u1ee5ng th\u00f4ng tin \u0111\u0103ng nh\u1eadp b\u1ecb \u0111\u00e1nh c\u1eafp \u0111\u1ec3 truy c\u1eadp tr\u00e1i ph\u00e9p.<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u1ea3i xu\u1ed1ng theo \u1ed5 \u0111\u0129a<\/strong><\/td>\n<td>M\u00e3 \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c t\u1ea3i xu\u1ed1ng thi\u1ebft b\u1ecb c\u1ee7a ng\u01b0\u1eddi d\u00f9ng m\u1ed9t c\u00e1ch v\u00f4 t\u00ecnh.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng T\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<h3>C\u00e1ch s\u1eed d\u1ee5ng T\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i<\/h3>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch b\u1ea5t ch\u00ednh kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Tr\u1ed9m c\u1eafp d\u1eef li\u1ec7u<\/strong>: T\u1ed9i ph\u1ea1m m\u1ea1ng c\u00f3 th\u1ec3 c\u1ed1 g\u1eafng \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00f4ng tin t\u00e0i ch\u00ednh, th\u00f4ng tin c\u00e1 nh\u00e2n ho\u1eb7c t\u00e0i s\u1ea3n tr\u00ed tu\u1ec7 \u0111\u1ec3 thu l\u1ee3i t\u00e0i ch\u00ednh ho\u1eb7c gi\u00e1n \u0111i\u1ec7p.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n ph\u1ed1i m\u00e1y t\u00ednh<\/strong>: Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 khai th\u00e1c c\u00e1c h\u1ec7 th\u1ed1ng b\u1ecb x\u00e2m nh\u1eadp \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u1ea1ng botnet l\u1edbn nh\u1eb1m khai th\u00e1c ti\u1ec1n \u0111i\u1ec7n t\u1eed ho\u1eb7c tham gia v\u00e0o c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n ph\u1ed1i th\u01b0 r\u00e1c<\/strong>: C\u00e1c h\u1ec7 th\u1ed1ng b\u1ecb x\u00e2m nh\u1eadp th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 g\u1eedi email spam, ph\u00e1t t\u00e1n ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ho\u1eb7c kh\u1edfi ch\u1ea1y c\u00e1c chi\u1ebfn d\u1ecbch l\u1eeba \u0111\u1ea3o.<\/p>\n<\/li>\n<li>\n<p><strong>H\u00e0nh vi tr\u1ed9m c\u1eafp danh t\u00ednh<\/strong>: Th\u00f4ng tin \u0111\u0103ng nh\u1eadp b\u1ecb \u0111\u00e1nh c\u1eafp c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n h\u00e0nh vi tr\u1ed9m c\u1eafp danh t\u00ednh, d\u1eabn \u0111\u1ebfn c\u00e1c ho\u1ea1t \u0111\u1ed9ng l\u1eeba \u0111\u1ea3o.<\/p>\n<\/li>\n<\/ol>\n<h3>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h3>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i \u0111\u1eb7t ra nhi\u1ec1u th\u00e1ch th\u1ee9c cho c\u00e1c c\u00e1 nh\u00e2n v\u00e0 t\u1ed5 ch\u1ee9c:<\/p>\n<ol>\n<li>\n<p><strong>Qu\u1ea3n l\u00fd l\u1ed7 h\u1ed5ng<\/strong>: Duy tr\u00ec ph\u1ea7n m\u1ec1m c\u1eadp nh\u1eadt v\u00e0 \u00e1p d\u1ee5ng k\u1ecbp th\u1eddi c\u00e1c b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng \u0111\u00e3 bi\u1ebft.<\/p>\n<\/li>\n<li>\n<p><strong>Gi\u00e1o d\u1ee5c ng\u01b0\u1eddi d\u00f9ng<\/strong>: H\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng v\u1ec1 l\u1eeba \u0111\u1ea3o, b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 an ninh m\u1ea1ng kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m nguy c\u01a1 x\u1ea3y ra c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i th\u00e0nh c\u00f4ng.<\/p>\n<\/li>\n<li>\n<p><strong>Gi\u00e1m s\u00e1t m\u1ea1ng<\/strong>: Tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp v\u00e0 gi\u00e1m s\u00e1t m\u1ea1nh m\u1ebd c\u00f3 th\u1ec3 gi\u00fap ph\u00e1t hi\u1ec7n v\u00e0 \u1ee9ng ph\u00f3 v\u1edbi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i trong th\u1eddi gian th\u1ef1c.<\/p>\n<\/li>\n<li>\n<p><strong>X\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1<\/strong>: Vi\u1ec7c k\u00edch ho\u1ea1t x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 s\u1ebd b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt v\u00e0 gi\u1ea3m nguy c\u01a1 truy c\u1eadp tr\u00e1i ph\u00e9p th\u00f4ng qua vi\u1ec7c nh\u1ed3i th\u00f4ng tin x\u00e1c th\u1ef1c.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1 d\u01b0\u1edbi d\u1ea1ng b\u1ea3ng v\u00e0 danh s\u00e1ch<\/h2>\n<h3>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i<\/h3>\n<ul>\n<li>Th\u1ef1c thi t\u1ef1 \u0111\u1ed9ng<\/li>\n<li>Nh\u1eafm m\u1ee5c ti\u00eau r\u1ed9ng<\/li>\n<li>Khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng \u0111\u00e3 bi\u1ebft<\/li>\n<li>T\u1ea7n su\u1ea5t cao v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/li>\n<\/ul>\n<h3>So s\u00e1nh v\u1edbi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u00f3 ch\u1ee7 \u0111\u00edch<\/h3>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>T\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i<\/th>\n<th>T\u1ea5n c\u00f4ng c\u00f3 m\u1ee5c ti\u00eau<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Ph\u1ea1m vi<\/strong><\/td>\n<td>R\u1ed9ng l\u1edbn<\/td>\n<td>T\u1eadp trung<\/td>\n<\/tr>\n<tr>\n<td><strong>M\u1ee5c \u0111\u00edch<\/strong><\/td>\n<td>S\u1ef1 gi\u00e1n \u0111o\u1ea1n chung<\/td>\n<td>M\u1ee5c ti\u00eau c\u1ee5 th\u1ec3<\/td>\n<\/tr>\n<tr>\n<td><strong>L\u1ef1a ch\u1ecdn m\u1ee5c ti\u00eau<\/strong><\/td>\n<td>t\u1ef1 \u0111\u1ed9ng<\/td>\n<td>Ch\u1ecdn c\u1ea9n th\u1eadn<\/td>\n<\/tr>\n<tr>\n<td><strong>Tinh hoa<\/strong><\/td>\n<td>Th\u1ea5p<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u1ef7 l\u1ec7 hi\u1ec7n m\u1eafc<\/strong><\/td>\n<td>Chung<\/td>\n<td>\u00cdt ph\u1ed5 bi\u1ebfn<\/td>\n<\/tr>\n<tr>\n<td><strong>Th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c<\/strong><\/td>\n<td>T\u1ed1i thi\u1ec3u<\/td>\n<td>R\u1ed9ng r\u00e3i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i c\u00f3 th\u1ec3 tr\u1edf n\u00ean tinh vi v\u00e0 nguy hi\u1ec3m h\u01a1n. M\u1ed9t s\u1ed1 xu h\u01b0\u1edbng v\u00e0 c\u00f4ng ngh\u1ec7 ti\u1ec1m n\u0103ng trong t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Ph\u00f2ng th\u1ee7 h\u1ecdc m\u00e1y<\/strong>: Vi\u1ec7c s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n h\u1ecdc m\u00e1y \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i trong th\u1eddi gian th\u1ef1c, t\u0103ng c\u01b0\u1eddng ph\u00f2ng th\u1ee7 an ninh m\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p><strong>C\u1ea3i ti\u1ebfn b\u1ea3o m\u1eadt IoT<\/strong>: C\u1ea3i thi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt cho thi\u1ebft b\u1ecb IoT \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 botnet IoT \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i.<\/p>\n<\/li>\n<li>\n<p><strong>M\u1eadt m\u00e3 kh\u00e1ng l\u01b0\u1ee3ng t\u1eed<\/strong>: S\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a kh\u00e1ng l\u01b0\u1ee3ng t\u1eed \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean \u0111i\u1ec7n to\u00e1n l\u01b0\u1ee3ng t\u1eed.<\/p>\n<\/li>\n<li>\n<p><strong>Chia s\u1ebb th\u00f4ng tin v\u1ec1 m\u1ed1i \u0111e d\u1ecda<\/strong>: T\u0103ng c\u01b0\u1eddng h\u1ee3p t\u00e1c v\u00e0 chia s\u1ebb th\u00f4ng tin gi\u1eefa c\u00e1c t\u1ed5 ch\u1ee9c v\u00e0 c\u1ed9ng \u0111\u1ed3ng b\u1ea3o m\u1eadt \u0111\u1ec3 \u0111\u00f3n \u0111\u1ea7u c\u00e1c m\u1ed1i \u0111e d\u1ecda c\u01a1 h\u1ed9i \u0111ang n\u1ed5i l\u00ean.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft v\u1edbi cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 v\u1eeba l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i v\u1eeba l\u00e0 c\u00f4ng c\u1ee5 ph\u00f2ng th\u1ee7 ch\u1ed1ng l\u1ea1i ch\u00fang:<\/p>\n<ol>\n<li>\n<p><strong>\u1ea8n danh v\u00e0 tr\u1ed1n tr\u00e1nh<\/strong>: Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 \u1ea9n danh t\u00ednh v\u00e0 v\u1ecb tr\u00ed c\u1ee7a ch\u00fang trong khi ti\u1ebfn h\u00e0nh c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i, khi\u1ebfn ch\u00ednh quy\u1ec1n kh\u00f3 theo d\u00f5i ch\u00fang h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp<\/strong>: M\u00e1y ch\u1ee7 proxy \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 gi\u00fap ch\u1eb7n quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c mi\u1ec1n \u0111\u1ed9c h\u1ea1i \u0111\u00e3 bi\u1ebft v\u00e0 ng\u0103n ch\u1eb7n vi\u1ec7c t\u1ea3i xu\u1ed1ng ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i c\u01a1 h\u1ed9i.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp<\/strong>: B\u1eb1ng c\u00e1ch gi\u00e1m s\u00e1t nh\u1eadt k\u00fd m\u00e1y ch\u1ee7 proxy, qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng ng\u1edd v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i ti\u1ec1m \u1ea9n, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ee7 \u0111\u1ed9ng.<\/p>\n<\/li>\n<\/ol>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i v\u00e0 an ninh m\u1ea1ng, vui l\u00f2ng tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/www.cisa.gov\/cybersecurity\" target=\"_new\" rel=\"noopener nofollow\">C\u01a1 quan An ninh m\u1ea1ng v\u00e0 C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng (CISA)<\/a><\/li>\n<li><a href=\"https:\/\/www.kaspersky.com\/enterprise-security\/threat-intelligence\" target=\"_new\" rel=\"noopener nofollow\">C\u1ed5ng th\u00f4ng tin v\u1ec1 m\u1ed1i \u0111e d\u1ecda c\u1ee7a Kaspersky<\/a><\/li>\n<li><a href=\"https:\/\/www.symantec.com\/products\/threat-intelligence\" target=\"_new\" rel=\"noopener nofollow\">Th\u00f4ng tin v\u1ec1 m\u1ed1i \u0111e d\u1ecda c\u1ee7a Symantec<\/a><\/li>\n<\/ol>\n<p>B\u1eb1ng c\u00e1ch lu\u00f4n c\u1eadp nh\u1eadt th\u00f4ng tin v\u00e0 c\u1ea3nh gi\u00e1c, c\u00e1c c\u00e1 nh\u00e2n v\u00e0 t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 t\u1ef1 b\u1ea3o v\u1ec7 m\u00ecnh t\u1ed1t h\u01a1n tr\u01b0\u1edbc c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u01a1 h\u1ed9i v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1ea1ng kh\u00e1c. Vi\u1ec7c tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p an ninh m\u1ea1ng m\u1ea1nh m\u1ebd, bao g\u1ed3m c\u1ea3 vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy \u0111\u00e1ng tin c\u1eady, c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 tr\u1ea1ng th\u00e1i b\u1ea3o m\u1eadt t\u1ed5ng th\u1ec3 v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c m\u1ed1i \u0111e d\u1ecda \u0111ang gia t\u0103ng n\u00e0y.<\/p>","protected":false},"featured_media":469075,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478286","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Opportunistic Attack: Understanding a Stealthy Cyber Threat<\/mark>","faq_items":[{"question":"What are opportunistic attacks?","answer":"<p>Opportunistic attacks are a type of automated cyber threat that does not specifically target individuals or organizations. Instead, they exploit known vulnerabilities or weak security configurations across a broad range of potential targets.<\/p>"},{"question":"How do opportunistic attacks work?","answer":"<p>Opportunistic attacks involve automated processes and tools to identify potential targets with vulnerabilities, gather information about them, exploit the weaknesses, gain unauthorized access, and perform malicious activities.<\/p>"},{"question":"What are some examples of opportunistic attack methods?","answer":"<p>Common examples of opportunistic attack methods include malware distribution, credential stuffing, brute force attacks, distributed denial of service (DDoS), IoT botnets, and exploiting software vulnerabilities.<\/p>"},{"question":"How do opportunistic attacks differ from targeted attacks?","answer":"<p>Opportunistic attacks cast a wide net and are indiscriminate in their targeting, while targeted attacks focus on specific individuals or organizations. They also require minimal human intervention and are frequently observed due to their high frequency.<\/p>"},{"question":"What can be done to protect against opportunistic attacks?","answer":"<p>To protect against opportunistic attacks, it is essential to practice vulnerability management by keeping software up-to-date and applying security patches promptly. Additionally, user education, network monitoring, and multi-factor authentication can significantly reduce the risk of successful attacks.<\/p>"},{"question":"How can proxy servers be associated with opportunistic attacks?","answer":"<p>Proxy servers can be used by attackers to hide their identities and locations while launching opportunistic attacks. On the other hand, proxy servers equipped with security features can help block access to malicious domains and assist in traffic analysis to identify potential threats.<\/p>"},{"question":"What is the future outlook for opportunistic attacks?","answer":"<p>As technology evolves, opportunistic attacks may become more sophisticated and dangerous. Future trends may include machine learning defense, improved IoT security, quantum-resistant cryptography, and increased threat intelligence sharing.<\/p>"},{"question":"Where can I find more information about opportunistic attacks and cybersecurity?","answer":"<p>For more information about opportunistic attacks and cybersecurity best practices, you can refer to resources such as the Cybersecurity and Infrastructure Security Agency (CISA), Kaspersky Threat Intelligence Portal, and Symantec Threat Intelligence. Stay informed and protected with comprehensive knowledge about cyber threats.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478286\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/469075"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}