{"id":12125,"date":"2026-07-02T08:42:28","date_gmt":"2026-07-02T01:42:28","guid":{"rendered":"https:\/\/microsoft.cmctelecom.vn\/microsoft-cac-ky-thuat-tan-cong-danh-tinh-moi-va-cach-phong-thu-hieu-qua\/"},"modified":"2026-06-30T17:37:21","modified_gmt":"2026-06-30T10:37:21","slug":"microsoft-cac-ky-thuat-tan-cong-danh-tinh-moi-va-cach-phong-thu-hieu-qua","status":"publish","type":"post","link":"https:\/\/microsoft.cmctelecom.vn\/kr\/microsoft-cac-ky-thuat-tan-cong-danh-tinh-moi-va-cach-phong-thu-hieu-qua\/","title":{"rendered":"Microsoft: C\u00e1c k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng danh t\u00ednh m\u1edbi v\u00e0 c\u00e1ch ph\u00f2ng th\u1ee7 hi\u1ec7u qu\u1ea3"},"content":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng kh\u00f4ng ng\u1eebng bi\u1ebfn \u0111\u1ed5i, tin t\u1eb7c \u0111ang ng\u00e0y c\u00e0ng tinh vi h\u00f3a c\u00e1c ph\u01b0\u01a1ng th\u1ee9c t\u1ea5n c\u00f4ng. Vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt thi\u1ebft y\u1ebfu nh\u01b0 x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA) v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p kh\u00f4ng m\u1eadt kh\u1ea9u \u0111\u00e3 thay \u0111\u1ed5i cu\u1ed9c ch\u01a1i, nh\u01b0ng c\u0169ng th\u00fac \u0111\u1ea9y tin t\u1eb7c t\u00ecm ra nh\u1eefng c\u00e1ch th\u1ee9c m\u1edbi \u0111\u1ec3 chi\u1ebfm \u0111o\u1ea1t danh t\u00ednh, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng cloud c\u1ee7a doanh nghi\u1ec7p. B\u00e1o c\u00e1o ng\u00e0y 29\/05\/2025 c\u1ee7a Microsoft \u0111\u00e3 ph\u00e2n t\u00edch s\u00e2u c\u00e1c k\u1ef9 thu\u1eadt n\u00e0y v\u00e0 \u0111\u01b0a ra nh\u1eefng khuy\u1ebfn ngh\u1ecb ph\u00f2ng th\u1ee7 quan tr\u1ecdng cho c\u00e1c t\u1ed5 ch\u1ee9c.<\/p>\n<h2>C\u00e1c k\u1ef9 thu\u1eadt phishing hi\u1ec7n \u0111\u1ea1i v\u01b0\u1ee3t qua c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c<\/h2>\n<p>Khi MFA tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn, tin t\u1eb7c \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 thu\u1eadt m\u1edbi \u0111\u1ec3 v\u01b0\u1ee3t qua l\u1edbp b\u1ea3o v\u1ec7 n\u00e0y. K\u1ef9 thu\u1eadt l\u1eeba \u0111\u1ea3o (social engineering) v\u1eabn l\u00e0 c\u1ed1t l\u00f5i, nh\u01b0ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch tinh vi h\u01a1n \u0111\u1ec3 \u0111\u00e1nh l\u1eeba ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<h3>Adversary-in-the-Middle (AiTM)<\/h3>\n<p>\u0110\u00e2y l\u00e0 k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi MFA. Tin t\u1eb7c tri\u1ec3n khai m\u1ed9t m\u00e1y ch\u1ee7 proxy n\u1eb1m gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 trang web h\u1ee3p ph\u00e1p, t\u1eeb \u0111\u00f3 \u0111\u00e1nh c\u1eafp \u0111\u01b0\u1ee3c c\u1ea3 th\u00f4ng tin \u0111\u0103ng nh\u1eadp v\u00e0 token phi\u00ean (session token) sau khi ng\u01b0\u1eddi d\u00f9ng x\u00e1c th\u1ef1c th\u00e0nh c\u00f4ng. S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c n\u1ec1n t\u1ea3ng <em>Phishing-as-a-Service (PhaaS)<\/em> v\u1edbi c\u00e1c b\u1ed9 c\u00f4ng c\u1ee5 nh\u01b0 Evilginx \u0111\u00e3 l\u00e0m cho c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng AiTM tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n. C\u00e1c nh\u00f3m tin t\u1eb7c nh\u01b0 Storm-0485 (chuy\u00ean l\u1eeba \u0111\u1ea3o) v\u00e0 Star Blizzard (gi\u00e1n \u0111i\u1ec7p Nga) \u0111\u1ec1u \u0111\u00e3 s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt n\u00e0y.<\/p>\n<figure class=\"wp-block-image size-large aligncenter\" style=\"text-align: center; margin: 1.5em 0;\"><img decoding=\"async\" style=\"border-radius: 8px; border: 1px solid #e5e7eb; max-width: 100%; max-height: 560px; width: auto; height: auto; display: inline-block;\" src=\"https:\/\/microsoft.cmctelecom.vn\/wp-content\/uploads\/2026\/06\/8aad27e4cf.webp\" alt=\"V\u00ed d\u1ee5 v\u1ec1 email l\u1eeba \u0111\u1ea3o m\u1ea1o danh LinkedIn c\u1ee7a nh\u00f3m Storm-0485.\" \/><\/figure>\n<h3>Device code phishing<\/h3>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt t\u01b0\u01a1ng \u0111\u1ed1i m\u1edbi, khai th\u00e1c lu\u1ed3ng x\u00e1c th\u1ef1c thi\u1ebft b\u1ecb (device code authentication flow) \u0111\u1ec3 chi\u1ebfm \u0111o\u1ea1t token x\u00e1c th\u1ef1c. Tin t\u1eb7c g\u1eedi cho n\u1ea1n nh\u00e2n m\u1ed9t m\u00e3 code v\u00e0 y\u00eau c\u1ea7u h\u1ecd nh\u1eadp v\u00e0o tr\u00ean m\u1ed9t thi\u1ebft b\u1ecb kh\u00e1c \u0111\u1ec3 ho\u00e0n t\u1ea5t \u0111\u0103ng nh\u1eadp. C\u00e1c nh\u00f3m nh\u01b0 Storm-2372 v\u00e0 Storm-1249 (m\u1ed9t nh\u00f3m gi\u00e1n \u0111i\u1ec7p t\u1eeb Trung Qu\u1ed1c) \u0111\u00e3 s\u1eed d\u1ee5ng c\u00e1c m\u1ed3i nh\u1eed \u0111a d\u1ea1ng t\u1eeb ch\u1ee7 \u0111\u1ec1 thu\u1ebf, d\u1ecbch v\u1ee5 c\u00f4ng \u0111\u1ebfn \u0111\u1eb7t tr\u01b0\u1edbc s\u00e1ch \u0111\u1ec3 nh\u1eafm v\u00e0o c\u00e1c quan ch\u1ee9c c\u1ea5p cao.<\/p>\n<h3>OAuth consent phishing<\/h3>\n<p>Trong k\u1ef9 thu\u1eadt n\u00e0y, tin t\u1eb7c l\u1eeba ng\u01b0\u1eddi d\u00f9ng c\u1ea5p quy\u1ec1n cho m\u1ed9t \u1ee9ng d\u1ee5ng b\u00ean th\u1ee9 ba \u0111\u1ed9c h\u1ea1i th\u00f4ng qua giao th\u1ee9c OAuth. M\u1ed9t khi \u0111\u01b0\u1ee3c c\u1ea5p quy\u1ec1n, \u1ee9ng d\u1ee5ng n\u00e0y c\u00f3 th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng m\u00e0 kh\u00f4ng c\u1ea7n m\u1eadt kh\u1ea9u. Microsoft \u0111\u00e3 ghi nh\u1eadn c\u00e1c chi\u1ebfn d\u1ecbch m\u00e0 ngay c\u1ea3 khi ng\u01b0\u1eddi d\u00f9ng nh\u1ea5n &#8220;H\u1ee7y&#8221;, h\u1ecd v\u1eabn b\u1ecb chuy\u1ec3n h\u01b0\u1edbng \u0111\u1ebfn m\u1ed9t trang AiTM \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t \u0111\u1ee3t t\u1ea5n c\u00f4ng th\u1ee9 hai.<\/p>\n<figure class=\"wp-block-image size-large aligncenter\" style=\"text-align: center; margin: 1.5em 0;\"><img decoding=\"async\" style=\"border-radius: 8px; border: 1px solid #e5e7eb; max-width: 100%; max-height: 560px; width: auto; height: auto; display: inline-block;\" src=\"https:\/\/microsoft.cmctelecom.vn\/wp-content\/uploads\/2026\/06\/7dc55c05ac.webp\" alt=\"H\u1ed9p tho\u1ea1i y\u00eau c\u1ea7u quy\u1ec1n truy c\u1eadp c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng OAuth \u0111\u1ed9c h\u1ea1i.\" \/><\/figure>\n<h3>Device join phishing<\/h3>\n<p>K\u1ec3 t\u1eeb th\u00e1ng 4 n\u0103m 2025, Microsoft \u0111\u00e3 quan s\u00e1t th\u1ea5y c\u00e1c nh\u00f3m tin t\u1eb7c (nghi ng\u1edd c\u00f3 li\u00ean quan \u0111\u1ebfn Nga) s\u1eed d\u1ee5ng chi\u00eau th\u1ee9c l\u1eeba ng\u01b0\u1eddi d\u00f9ng cho ph\u00e9p m\u1ed9t thi\u1ebft b\u1ecb do tin t\u1eb7c ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c tham gia v\u00e0o mi\u1ec1n (domain) c\u1ee7a t\u1ed5 ch\u1ee9c. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p tin t\u1eb7c c\u00f3 m\u1ed9t ch\u1ed7 \u0111\u1ee9ng trong m\u1ea1ng l\u01b0\u1edbi c\u1ee7a doanh nghi\u1ec7p.<\/p>\n<h2>M\u1ed3i nh\u1eed ng\u00e0y c\u00e0ng tinh vi v\u00e0 kh\u00f3 nh\u1eadn bi\u1ebft<\/h2>\n<p>Tin t\u1eb7c ti\u1ebfp t\u1ee5c d\u1ef1a v\u00e0o vi\u1ec7c khai th\u00e1c h\u00e0nh vi con ng\u01b0\u1eddi v\u1edbi nh\u1eefng m\u1ed3i nh\u1eed ng\u00e0y c\u00e0ng thuy\u1ebft ph\u1ee5c.<\/p>\n<h3>M\u1ea1o danh v\u00e0 c\u00e1 nh\u00e2n h\u00f3a cao<\/h3>\n<p>M\u1ed9t trong nh\u1eefng c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t l\u00e0 m\u1ea1o danh nh\u1eefng ng\u01b0\u1eddi m\u00e0 n\u1ea1n nh\u00e2n quen bi\u1ebft ho\u1eb7c c\u00e1c t\u00e0i nguy\u00ean doanh nghi\u1ec7p h\u1ee3p ph\u00e1p. Nh\u00f3m Star Blizzard \u0111\u00e3 chuy\u1ec3n t\u1eeb vi\u1ec7c g\u1eedi file \u0111\u00ednh k\u00e8m \u0111\u1ed9c h\u1ea1i sang c\u00e1c email <em>spear-phishing<\/em> (t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o c\u00f3 ch\u1ee7 \u0111\u00edch) \u0111\u01b0\u1ee3c c\u00e1 nh\u00e2n h\u00f3a cao, m\u1ea1o danh c\u00e1c nh\u00e2n v\u1eadt ch\u00ednh tr\u1ecb, nh\u00e0 ngo\u1ea1i giao \u0111\u1ec3 l\u1eeba c\u00e1c m\u1ee5c ti\u00eau trong ch\u00ednh ph\u1ee7, t\u1ed5 ch\u1ee9c phi ch\u00ednh ph\u1ee7 (NGO) v\u00e0 c\u00e1c vi\u1ec7n nghi\u00ean c\u1ee9u.<\/p>\n<figure class=\"wp-block-image size-large aligncenter\" style=\"text-align: center; margin: 1.5em 0;\"><img decoding=\"async\" style=\"border-radius: 8px; border: 1px solid #e5e7eb; max-width: 100%; max-height: 560px; width: auto; height: auto; display: inline-block;\" src=\"https:\/\/microsoft.cmctelecom.vn\/wp-content\/uploads\/2026\/06\/2eddb90899.webp\" alt=\"Email spear-phishing c\u1ee7a nh\u00f3m Star Blizzard m\u1ea1o danh chia s\u1ebb t\u1ec7p.\" \/><\/figure>\n<h3>L\u1ea1m d\u1ee5ng m\u00e3 QR<\/h3>\n<p>Khi m\u00e3 QR tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn, tin t\u1eb7c c\u0169ng \u0111\u00e3 s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 ph\u00e1t t\u00e1n c\u00e1c li\u00ean k\u1ebft \u0111\u1ebfn trang phishing AiTM, th\u01b0\u1eddng \u0111\u01b0\u1ee3c ng\u1ee5y trang trong c\u00e1c email v\u1ec1 ch\u1ee7 \u0111\u1ec1 thu\u1ebf.<\/p>\n<h3>Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) so\u1ea1n th\u1ea3o email l\u1eeba \u0111\u1ea3o<\/h3>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng AI, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c m\u00f4 h\u00ecnh ng\u00f4n ng\u1eef l\u1edbn (LLM), \u0111\u1ec3 so\u1ea1n th\u1ea3o email l\u1eeba \u0111\u1ea3o \u0111ang gia t\u0103ng. AI gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c l\u1ed7i ng\u1eef ph\u00e1p v\u00e0 v\u0103n phong v\u1ee5ng v\u1ec1, khi\u1ebfn c\u00e1c email phishing tr\u1edf n\u00ean chuy\u00ean nghi\u1ec7p v\u00e0 kh\u00f3 ph\u00e1t hi\u1ec7n h\u01a1n. Microsoft v\u00e0 OpenAI \u0111\u00e3 quan s\u00e1t th\u1ea5y c\u00e1c nh\u00f3m nh\u01b0 Emerald Sleet v\u00e0 Crimson Sandstorm s\u1eed d\u1ee5ng LLM \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng social engineering.<\/p>\n<figure class=\"wp-block-image size-large aligncenter\" style=\"text-align: center; margin: 1.5em 0;\"><img decoding=\"async\" style=\"border-radius: 8px; border: 1px solid #e5e7eb; max-width: 100%; max-height: 560px; width: auto; height: auto; display: inline-block;\" src=\"https:\/\/microsoft.cmctelecom.vn\/wp-content\/uploads\/2026\/06\/f55feb1366.webp\" alt=\"M\u1ed9t trong nhi\u1ec1u email l\u1eeba \u0111\u1ea3o b\u1ecb nghi ng\u1edd do AI t\u1ea1o ra trong m\u1ed9t chi\u1ebfn d\u1ecbch quy m\u00f4 l\u1edbn.\" \/><\/figure>\n<h2>T\u1ea5n c\u00f4ng m\u1edf r\u1ed9ng ra ngo\u00e0i email<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng phishing kh\u00f4ng c\u00f2n ch\u1ec9 gi\u1edbi h\u1ea1n trong email m\u00e0 \u0111\u00e3 lan sang c\u00e1c n\u1ec1n t\u1ea3ng giao ti\u1ebfp kh\u00e1c c\u1ee7a doanh nghi\u1ec7p.<\/p>\n<ul>\n<li><strong>T\u1ea5n c\u00f4ng qua Microsoft Teams:<\/strong> Nh\u00f3m tin t\u1eb7c Storm-1674 \u0111\u00e3 t\u1ea1o c\u00e1c tenant gi\u1ea3 m\u1ea1o \u0111\u1ec3 g\u1eedi tin nh\u1eafn l\u1eeba \u0111\u1ea3o qua chat trong cu\u1ed9c h\u1ecdp Teams, ho\u1eb7c th\u1eadm ch\u00ed tr\u1ef1c ti\u1ebfp g\u1ecdi \u0111i\u1ec7n cho ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 chi\u1ebfm th\u00f4ng tin \u0111\u0103ng nh\u1eadp.<\/li>\n<li><strong>Khai th\u00e1c m\u1ea1ng x\u00e3 h\u1ed9i:<\/strong> C\u00e1c n\u1ec1n t\u1ea3ng nh\u01b0 LinkedIn v\u00e0 Facebook c\u0169ng b\u1ecb l\u1ee3i d\u1ee5ng. Nh\u00f3m Mint Sandstorm c\u1ee7a Iran \u0111\u00e3 g\u1eedi link l\u1eeba \u0111\u1ea3o \u0111\u1ebfn c\u00e1c m\u1ee5c ti\u00eau c\u1ea5p cao tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i, sau khi thu th\u1eadp th\u00f4ng tin c\u00f4ng khai c\u1ee7a h\u1ecd.<\/li>\n<\/ul>\n<h2>R\u1ee7i ro sau khi \u0111\u00e3 x\u00e2m nh\u1eadp th\u00e0nh c\u00f4ng<\/h2>\n<p>Sau khi chi\u1ebfm \u0111\u01b0\u1ee3c m\u1ed9t danh t\u00ednh, tin t\u1eb7c th\u01b0\u1eddng s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ti\u1ebfp theo, di chuy\u1ec3n ngang (lateral movement) trong t\u1ed5 ch\u1ee9c \u0111\u1ec3 t\u00ecm ki\u1ebfm c\u00e1c t\u00e0i kho\u1ea3n c\u00f3 \u0111\u1eb7c quy\u1ec1n cao h\u01a1n.<\/p>\n<p>V\u00ed d\u1ee5, nh\u00f3m Storm-0539 chuy\u00ean nh\u1eafm v\u00e0o ng\u00e0nh b\u00e1n l\u1ebb, \u0111\u00e3 s\u1eed d\u1ee5ng c\u00e1c email h\u1ee3p ph\u00e1p c\u1ee7a c\u00f4ng ty (nh\u01b0 ticket h\u1ed7 tr\u1ee3) l\u00e0m m\u1eabu \u0111\u1ec3 t\u1ea1o ra c\u00e1c email phishing n\u1ed9i b\u1ed9. Nh\u00f3m Storm-2372 c\u0169ng s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt device code phishing \u0111\u1ec3 t\u1ea5n c\u00f4ng n\u1ed9i b\u1ed9 sau khi \u0111\u00e3 x\u00e2m nh\u1eadp ban \u0111\u1ea7u.<\/p>\n<figure class=\"wp-block-image size-large aligncenter\" style=\"text-align: center; margin: 1.5em 0;\"><img decoding=\"async\" style=\"border-radius: 8px; border: 1px solid #e5e7eb; max-width: 100%; max-height: 560px; width: auto; height: auto; display: inline-block;\" src=\"https:\/\/microsoft.cmctelecom.vn\/wp-content\/uploads\/2026\/06\/4abd4cfbd4.webp\" alt=\"N\u1ed7 l\u1ef1c di chuy\u1ec3n ngang c\u1ee7a nh\u00f3m Storm-2372 ch\u1ee9a payload l\u1eeba \u0111\u1ea3o device code.\" \/><\/figure>\n<h2>C\u00e1c khuy\u1ebfn ngh\u1ecb ph\u00f2ng th\u1ee7 to\u00e0n di\u1ec7n t\u1eeb Microsoft<\/h2>\n<p>\u0110\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c m\u1ed1i \u0111e d\u1ecda n\u00e0y, Microsoft khuy\u1ebfn ngh\u1ecb m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c ph\u00f2ng th\u1ee7 theo chi\u1ec1u s\u00e2u (defense-in-depth), k\u1ebft h\u1ee3p gi\u1eefa c\u00f4ng ngh\u1ec7 v\u00e0 n\u00e2ng cao nh\u1eadn th\u1ee9c con ng\u01b0\u1eddi. C\u00e1c doanh nghi\u1ec7p n\u00ean \u01b0u ti\u00ean c\u00e1c bi\u1ec7n ph\u00e1p sau:<\/p>\n<ul>\n<li><strong>Tri\u1ec3n khai MFA ch\u1ed1ng l\u1eeba \u0111\u1ea3o (phishing-resistant MFA):<\/strong> S\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p kh\u00f4ng m\u1eadt kh\u1ea9u nh\u01b0 <strong>passkeys<\/strong> (th\u00f4ng qua \u1ee9ng d\u1ee5ng Microsoft Authenticator) l\u00e0 bi\u1ec7n ph\u00e1p c\u1ed1t l\u00f5i. \u01afu ti\u00ean \u00e1p d\u1ee5ng cho c\u00e1c t\u00e0i kho\u1ea3n c\u00f3 \u0111\u1eb7c quy\u1ec1n cao.<\/li>\n<li><strong>S\u1eed d\u1ee5ng ch\u00ednh s\u00e1ch Conditional Access:<\/strong> T\u1eadn d\u1ee5ng c\u00e1c ch\u00ednh s\u00e1ch truy c\u1eadp c\u00f3 \u0111i\u1ec1u ki\u1ec7n trong <strong>Microsoft Entra ID Protection<\/strong>. C\u00e1c ch\u00ednh s\u00e1ch n\u00e0y \u0111\u00e1nh gi\u00e1 r\u1ee7i ro c\u1ee7a m\u1ed7i l\u1ea7n \u0111\u0103ng nh\u1eadp d\u1ef1a tr\u00ean c\u00e1c t\u00edn hi\u1ec7u nh\u01b0 v\u1ecb tr\u00ed IP, tr\u1ea1ng th\u00e1i thi\u1ebft b\u1ecb \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng ch\u1eb7n ho\u1eb7c y\u00eau c\u1ea7u x\u00e1c th\u1ef1c th\u00eam.<\/li>\n<li><strong>\u00c1p d\u1ee5ng gi\u1ea3i ph\u00e1p Security Service Edge (SSE):<\/strong> C\u00e1c gi\u1ea3i ph\u00e1p nh\u01b0 <strong>Global Secure Access (GSA)<\/strong> c\u1ee7a Microsoft gi\u00fap qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o v\u1ec7 truy c\u1eadp v\u00e0o m\u1ecdi \u1ee9ng d\u1ee5ng v\u00e0 t\u00e0i nguy\u00ean t\u1eeb m\u1ed9t n\u01a1i duy nh\u1ea5t, d\u1ef1a tr\u00ean c\u00e1c ki\u1ec3m so\u00e1t v\u1ec1 m\u1ea1ng, danh t\u00ednh v\u00e0 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i.<\/li>\n<li><strong>H\u1ea1n ch\u1ebf c\u00e1c lu\u1ed3ng x\u00e1c th\u1ef1c r\u1ee7i ro:<\/strong> Ch\u1eb7n <strong>device code flow<\/strong> \u1edf nh\u1eefng n\u01a1i kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 c\u1ea5u h\u00ecnh ch\u1eb7t ch\u1ebd <strong>ch\u00ednh s\u00e1ch ch\u1ea5p thu\u1eadn \u1ee9ng d\u1ee5ng (app consent policies)<\/strong> \u0111\u1ec3 ng\u0103n ng\u01b0\u1eddi d\u00f9ng c\u1ea5p quy\u1ec1n cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/li>\n<li><strong>T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt cho n\u1ec1n t\u1ea3ng giao ti\u1ebfp:<\/strong> Tu\u00e2n th\u1ee7 c\u00e1c <a href=\"https:\/\/learn.microsoft.com\/MicrosoftTeams\/teams-security-best-practices-for-safer-messaging\">th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u1ec1 b\u1ea3o m\u1eadt cho Microsoft Teams<\/a> v\u00e0 c\u1ea5u h\u00ecnh ch\u00ednh s\u00e1ch <strong>Safe Links<\/strong> trong Microsoft Defender for Office 365 \u0111\u1ec3 \u00e1p d\u1ee5ng cho c\u1ea3 ng\u01b0\u1eddi nh\u1eadn n\u1ed9i b\u1ed9.<\/li>\n<li><strong>\u0110\u00e0o t\u1ea1o nh\u1eadn th\u1ee9c ng\u01b0\u1eddi d\u00f9ng:<\/strong> \u0110\u1ea7u t\u01b0 v\u00e0o c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e0o t\u1ea1o v\u00e0 <strong>di\u1ec5n t\u1eadp t\u1ea5n c\u00f4ng gi\u1ea3 l\u1eadp (Attack simulation training)<\/strong> \u0111\u1ec3 trang b\u1ecb cho nh\u00e2n vi\u00ean ki\u1ebfn th\u1ee9c nh\u1eadn di\u1ec7n v\u00e0 b\u00e1o c\u00e1o c\u00e1c email, tin nh\u1eafn l\u1eeba \u0111\u1ea3o.<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch tri\u1ec3n khai \u0111\u1ed3ng b\u1ed9 c\u00e1c gi\u1ea3i ph\u00e1p tr\u00ean, doanh nghi\u1ec7p c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u00e0ng ph\u00f2ng th\u1ee7 v\u1eefng ch\u1eafc, l\u00e0m ch\u1eadm b\u01b0\u1edbc ti\u1ebfn c\u1ee7a tin t\u1eb7c v\u00e0 c\u00f3 th\u00eam th\u1eddi gian \u0111\u1ec3 \u0111\u1ed9i ng\u0169 an ninh ph\u1ea3n \u1ee9ng k\u1ecbp th\u1eddi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng kh\u00f4ng ng\u1eebng bi\u1ebfn \u0111\u1ed5i, tin t\u1eb7c \u0111ang ng\u00e0y c\u00e0ng tinh vi h\u00f3a c\u00e1c ph\u01b0\u01a1ng th\u1ee9c t\u1ea5n c\u00f4ng. Vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt thi\u1ebft y\u1ebfu nh\u01b0 x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA) v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p kh\u00f4ng m\u1eadt kh\u1ea9u \u0111\u00e3 thay&#8230;<\/p>","protected":false},"author":15,"featured_media":12119,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12125","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ms-blogs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microsoft: C\u00e1c k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng danh t\u00ednh m\u1edbi v\u00e0 c\u00e1ch ph\u00f2ng th\u1ee7 hi\u1ec7u qu\u1ea3 | CMC Telecom<\/title>\n<meta name=\"description\" content=\"\u0110\u1ed1i t\u00e1c 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