{"id":2116,"date":"2025-10-07T23:53:18","date_gmt":"2025-10-07T16:53:18","guid":{"rendered":"https:\/\/kienthucmo.com\/?p=2116"},"modified":"2026-01-24T23:08:32","modified_gmt":"2026-01-24T16:08:32","slug":"tong-quan-ve-an-toan-thong-tin-va-xu-huong-bao-mat","status":"publish","type":"post","link":"https:\/\/kienthucmo.com\/vi\/tong-quan-ve-an-toan-thong-tin-va-xu-huong-bao-mat\/","title":{"rendered":"T\u1ed5ng quan v\u1ec1 An to\u00e0n th\u00f4ng tin: K\u1ef9 thu\u1eadt, Con ng\u01b0\u1eddi v\u00e0 Xu h\u01b0\u1edbng b\u1ea3o m\u1eadt m\u1edbi nh\u1ea5t"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">G\u1ea7n \u0111\u00e2y, c\u00f3 l\u1ebd b\u1ea1n v\u00e0 m\u00ecnh \u0111\u1ec1u th\u1ea5y tin v\u1ec1 nh\u1eefng v\u1ee5 r\u00f2 r\u1ec9 d\u1eef li\u1ec7u, t\u00e0i kho\u1ea3n b\u1ecb chi\u1ebfm \u0111o\u1ea1t, ho\u1eb7c nh\u1eefng email gi\u1ea3 m\u1ea1o c\u1ed1 g\u1eafng l\u1eeba x\u00e1c th\u1ef1c t\u00e0i kho\u1ea3n. Nh\u1eefng s\u1ef1 ki\u1ec7n n\u00e0y kh\u00f4ng ch\u1ec9 g\u00e2y phi\u1ec1n to\u00e1i cho c\u00e1 nh\u00e2n m\u00e0 c\u00f2n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh, \u1ea3nh h\u01b0\u1edfng uy t\u00edn, th\u1eadm ch\u00ed x\u00e2m ph\u1ea1m nghi\u00eam tr\u1ecdng \u0111\u1ebfn quy\u1ec1n ri\u00eang t\u01b0. Trong k\u1ef7 nguy\u00ean s\u1ed1, d\u1eef li\u1ec7u kh\u00f4ng ch\u1ec9 l\u00e0 th\u00f4ng tin  &#8211;  n\u00f3 l\u00e0 m\u1ed9t d\u1ea1ng t\u00e0i s\u1ea3n, l\u00e0 \u201cv\u00e0ng k\u1ef9 thu\u1eadt s\u1ed1\u201d c\u1ee7a m\u1ed7i c\u00e1 nh\u00e2n v\u00e0 t\u1ed5 ch\u1ee9c. Khi m\u1ecdi ho\u1ea1t \u0111\u1ed9ng, t\u1eeb c\u00f4ng vi\u1ec7c, h\u1ecdc t\u1eadp \u0111\u1ebfn giao d\u1ecbch \u0111\u1ec1u di\u1ec5n ra tr\u1ef1c tuy\u1ebfn, vi\u1ec7c \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 b\u1ea3o m\u1eadt th\u00f4ng tin tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n.<br>Trong b\u00e0i vi\u1ebft n\u00e0y, m\u00ecnh v\u00e0 b\u1ea1n s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 an to\u00e0n v\u1ea7 b\u1ea3o m\u1eadt th\u00f4ng tin \u0111\u1ec3 c\u00f3 m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan, d\u1ec5 hi\u1ec3u v\u1ec1 an to\u00e0n v\u00e0 b\u1ea3o m\u1eadt th\u00f4ng tin tr\u00ean kh\u00f4ng gian m\u1ea1ng: t\u1eeb kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n, c\u00e1c lo\u1ea1i m\u1ed1i \u0111e d\u1ecda th\u01b0\u1eddng g\u1eb7p, nh\u1eefng nguy\u00ean t\u1eafc n\u1ec1n t\u1ea3ng, k\u1ef9 thu\u1eadt b\u1ea3o m\u1eadt th\u00f4ng d\u1ee5ng, vai tr\u00f2 c\u1ee7a con ng\u01b0\u1eddi, \u0111\u1ebfn c\u00e1c xu h\u01b0\u1edbng \u0111\u00e1ng ch\u00fa \u00fd. B\u1eaft \u0111\u1ea7u th\u00f4i n\u00e0o&#8230;!!!<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"718\" height=\"408\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/an-toan-thong-tin.jpg\" alt=\"T\u1ed5ng quan v\u1ec1 An to\u00e0n th\u00f4ng tin: K\u1ef9 thu\u1eadt, Con ng\u01b0\u1eddi v\u00e0 Xu h\u01b0\u1edbng b\u1ea3o m\u1eadt m\u1edbi nh\u1ea5t\" class=\"wp-image-2119\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/an-toan-thong-tin.jpg 718w, https:\/\/kienthucmo.com\/wp-content\/uploads\/an-toan-thong-tin-300x170.jpg 300w\" sizes=\"(max-width: 718px) 100vw, 718px\" \/><figcaption class=\"wp-element-caption\">T\u1ed5ng quan v\u1ec1 An to\u00e0n th\u00f4ng tin<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">1. Kh\u00e1i ni\u1ec7m v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a an to\u00e0n b\u1ea3o m\u1eadt th\u00f4ng tin<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>An to\u00e0n th\u00f4ng tin (Information Security)<\/strong> l\u00e0 t\u1eadp h\u1ee3p c\u00e1c bi\u1ec7n ph\u00e1p, quy tr\u00ecnh v\u00e0 k\u1ef9 thu\u1eadt nh\u1eb1m b\u1ea3o \u0111\u1ea3m r\u1eb1ng d\u1eef li\u1ec7u v\u00e0 h\u1ec7 th\u1ed1ng th\u00f4ng tin lu\u00f4n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi truy c\u1eadp, s\u1eeda \u0111\u1ed5i ho\u1eb7c ph\u00e1 ho\u1ea1i tr\u00e1i ph\u00e9p. M\u1ee5c ti\u00eau c\u1ee7a n\u00f3 xoay quanh ba y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tam gi\u00e1c CIA:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Confidentiality (B\u1ea3o m\u1eadt):<\/strong> \u0111\u1ea3m b\u1ea3o ch\u1ec9 ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ph\u00e9p m\u1edbi c\u00f3 th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u.<\/li>\n\n\n\n<li><strong>Integrity (To\u00e0n v\u1eb9n):<\/strong> \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb thay \u0111\u1ed5i, x\u00f3a, ho\u1eb7c ch\u00e8n s\u1eeda m\u1ed9t c\u00e1ch tr\u00e1i ph\u00e9p.<\/li>\n\n\n\n<li><strong>Availability (S\u1eb5n s\u00e0ng):<\/strong> \u0111\u1ea3m b\u1ea3o th\u00f4ng tin v\u00e0 h\u1ec7 th\u1ed1ng lu\u00f4n ho\u1ea1t \u0111\u1ed9ng, s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 khi c\u1ea7n.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong khi \u0111\u00f3, an ninh m\u1ea1ng (Cybersecurity) l\u00e0 kh\u00eda c\u1ea1nh t\u1eadp trung v\u00e0o vi\u1ec7c b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng m\u1ea1ng, m\u00e1y ch\u1ee7, \u1ee9ng d\u1ee5ng v\u00e0 thi\u1ebft b\u1ecb kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda \u0111\u1ebfn t\u1eeb b\u00ean ngo\u00e0i (v\u00ed d\u1ee5: hacker, malware, t\u1ea5n c\u00f4ng DDoS). C\u00f3 th\u1ec3 hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n: an to\u00e0n th\u00f4ng tin l\u00e0 \u201cc\u00e1i \u00f4\u201d bao tr\u00f9m, c\u00f2n an ninh m\u1ea1ng l\u00e0 \u201cl\u00e1 ch\u1eafn\u201d k\u1ef9 thu\u1eadt n\u1eb1m b\u00ean trong.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea7m quan tr\u1ecdng c\u1ee7a an to\u00e0n th\u00f4ng tin ng\u00e0y nay l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn. Khi d\u1eef li\u1ec7u \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t lo\u1ea1i t\u00e0i s\u1ea3n, m\u1ecdi s\u1ef1 c\u1ed1 r\u00f2 r\u1ec9 hay x\u00e2m nh\u1eadp \u0111\u1ec1u \u0111\u1ec3 l\u1ea1i h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh:<\/strong> hacker c\u00f3 th\u1ec3 chi\u1ebfm \u0111o\u1ea1t t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng, m\u00e3 h\u00f3a d\u1eef li\u1ec7u \u0111\u1ec3 \u0111\u00f2i ti\u1ec1n chu\u1ed9c (ransomware).<\/li>\n\n\n\n<li><strong>M\u1ea5t uy t\u00edn v\u00e0 l\u00f2ng tin:<\/strong> t\u1ed5 ch\u1ee9c b\u1ecb l\u1ed9 th\u00f4ng tin kh\u00e1ch h\u00e0ng th\u01b0\u1eddng ph\u1ea3i m\u1ea5t r\u1ea5t l\u00e2u m\u1edbi kh\u00f4i ph\u1ee5c \u0111\u01b0\u1ee3c danh ti\u1ebfng.<\/li>\n\n\n\n<li><strong>R\u1ee7i ro ph\u00e1p l\u00fd:<\/strong> nhi\u1ec1u qu\u1ed1c gia c\u00f3 quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t v\u1ec1 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n (nh\u01b0 GDPR \u1edf ch\u00e2u \u00c2u), v\u00e0 vi ph\u1ea1m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ee9c ph\u1ea1t l\u1edbn.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c r\u1ee7i ro n\u00e0y, nhi\u1ec1u t\u1ed5 ch\u1ee9c \u00e1p d\u1ee5ng h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd an to\u00e0n th\u00f4ng tin (ISMS) theo ti\u00eau chu\u1ea9n ISO\/IEC 27001 \u2013 m\u1ed9t chu\u1ea9n qu\u1ed1c t\u1ebf \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i, h\u01b0\u1edbng d\u1eabn c\u00e1ch thi\u1ebft l\u1eadp, v\u1eadn h\u00e0nh, gi\u00e1m s\u00e1t v\u00e0 c\u1ea3i ti\u1ebfn c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt th\u00f4ng tin trong to\u00e0n b\u1ed9 t\u1ed5 ch\u1ee9c.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"735\" height=\"414\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/An_toan_thong_tin.jpg\" alt=\"Kh\u00e1i ni\u1ec7m v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a an to\u00e0n b\u1ea3o m\u1eadt th\u00f4ng tin\" class=\"wp-image-2121\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/An_toan_thong_tin.jpg 735w, https:\/\/kienthucmo.com\/wp-content\/uploads\/An_toan_thong_tin-300x169.jpg 300w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">2. C\u00e1c lo\u1ea1i m\u1ed1i \u0111e d\u1ecda ph\u1ed5 bi\u1ebfn tr\u00ean kh\u00f4ng gian m\u1ea1ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng gian m\u1ea1ng l\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u1ea7y c\u01a1 h\u1ed9i nh\u01b0ng c\u0169ng ti\u1ec1m \u1ea9n v\u00f4 s\u1ed1 r\u1ee7i ro. \u0110\u1ec3 t\u1ef1 b\u1ea3o v\u1ec7 m\u00ecnh v\u00e0 t\u1ed5 ch\u1ee9c, ch\u00fang ta c\u1ea7n hi\u1ec3u r\u00f5 c\u00e1c d\u1ea1ng m\u1ed1i \u0111e d\u1ecda ph\u1ed5 bi\u1ebfn d\u01b0\u1edbi \u0111\u00e2y  &#8211;  nh\u1eefng \u201ck\u1ebb th\u00f9 th\u1ea7m l\u1eb7ng\u201d c\u00f3 th\u1ec3 t\u1ea5n c\u00f4ng b\u1ea5t c\u1ee9 ai, v\u00e0o b\u1ea5t c\u1ee9 l\u00fac n\u00e0o.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"626\" height=\"417\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/danh_cap_du_lieu.jpg\" alt=\"C\u00e1c lo\u1ea1i m\u1ed1i \u0111e d\u1ecda ph\u1ed5 bi\u1ebfn tr\u00ean kh\u00f4ng gian m\u1ea1ng\" class=\"wp-image-2125\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/danh_cap_du_lieu.jpg 626w, https:\/\/kienthucmo.com\/wp-content\/uploads\/danh_cap_du_lieu-300x200.jpg 300w\" sizes=\"(max-width: 626px) 100vw, 626px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">2.1 Malware (Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Malware l\u00e0 thu\u1eadt ng\u1eef chung cho c\u00e1c ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi m\u1ee5c \u0111\u00edch g\u00e2y h\u1ea1i nh\u01b0 virus, worm, trojan hay ransomware. Ch\u00fang c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng th\u00f4ng qua email, ph\u1ea7n m\u1ec1m l\u1eadu, ho\u1eb7c li\u00ean k\u1ebft \u0111\u1ed9c h\u1ea1i. Trong \u0111\u00f3, ransomware \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m v\u00ec n\u00f3 m\u00e3 h\u00f3a to\u00e0n b\u1ed9 d\u1eef li\u1ec7u v\u00e0 y\u00eau c\u1ea7u n\u1ea1n nh\u00e2n tr\u1ea3 ti\u1ec1n chu\u1ed9c \u0111\u1ec3 kh\u00f4i ph\u1ee5c. C\u00e1c v\u1ee5 t\u1ea5n c\u00f4ng d\u1ea1ng n\u00e0y \u0111ang gia t\u0103ng nhanh ch\u00f3ng, g\u00e2y thi\u1ec7t h\u1ea1i h\u00e0ng t\u1ef7 USD m\u1ed7i n\u0103m cho c\u1ea3 c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p.<br><em>(Ngu\u1ed3n: Verizon Data Breach Investigations Report)<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 Phishing (L\u1eeba \u0111\u1ea3o tr\u1ef1c tuy\u1ebfn)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Phishing l\u00e0 h\u00ecnh th\u1ee9c k\u1ebb x\u1ea5u gi\u1ea3 m\u1ea1o email, website ho\u1eb7c tin nh\u1eafn h\u1ee3p ph\u00e1p \u0111\u1ec3 \u0111\u00e1nh c\u1eafp th\u00f4ng tin nh\u01b0 m\u1eadt kh\u1ea9u, m\u00e3 OTP ho\u1eb7c d\u1eef li\u1ec7u th\u1ebb ng\u00e2n h\u00e0ng. C\u00e1c chi\u1ebfn d\u1ecbch phishing ng\u00e0y nay \u0111\u01b0\u1ee3c tinh vi h\u00f3a b\u1eb1ng AI, khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng kh\u00f3 ph\u00e2n bi\u1ec7t th\u1eadt \u2013 gi\u1ea3. Theo Kaspersky, h\u00e0ng tr\u0103m tri\u1ec7u cu\u1ed9c t\u1ea5n c\u00f4ng phishing b\u1ecb ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n m\u1ed7i n\u0103m, cho th\u1ea5y m\u1ee9c \u0111\u1ed9 lan r\u1ed9ng v\u00e0 nguy hi\u1ec3m c\u1ee7a h\u00ecnh th\u1ee9c n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 Social Engineering (Khai th\u00e1c y\u1ebfu t\u1ed1 con ng\u01b0\u1eddi)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 ki\u1ec3u t\u1ea5n c\u00f4ng kh\u00f4ng c\u1ea7n k\u1ef9 thu\u1eadt cao, m\u00e0 l\u1ee3i d\u1ee5ng y\u1ebfu t\u1ed1 t\u00e2m l\u00fd \u2013 s\u1ef1 tin t\u01b0\u1edfng, n\u00f4n n\u00f3ng, ho\u1eb7c s\u1ee3 h\u00e3i \u2013 \u0111\u1ec3 l\u1eeba n\u1ea1n nh\u00e2n t\u1ef1 cung c\u1ea5p th\u00f4ng tin ho\u1eb7c m\u1edf c\u1eeda cho k\u1ebb x\u1ea5u. V\u00ed d\u1ee5: m\u1ed9t email gi\u1ea3 m\u1ea1o s\u1ebfp y\u00eau c\u1ea7u chuy\u1ec3n ti\u1ec1n g\u1ea5p, ho\u1eb7c m\u1ed9t cu\u1ed9c g\u1ecdi gi\u1ea3 danh nh\u00e2n vi\u00ean k\u1ef9 thu\u1eadt c\u1ea7n \u201cx\u00e1c minh t\u00e0i kho\u1ea3n\u201d. Ch\u00ednh v\u00ec v\u1eady, con ng\u01b0\u1eddi lu\u00f4n \u0111\u01b0\u1ee3c xem l\u00e0 <strong>m\u1eaft x\u00edch y\u1ebfu nh\u1ea5t trong <\/strong>chu\u1ed7i b\u1ea3o m\u1eadt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.4 DDoS (T\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea5n c\u00f4ng DDoS (Distributed Denial of Service) nh\u1eafm v\u00e0o l\u00e0m t\u00ea li\u1ec7t h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch g\u1eedi l\u01b0\u1ee3ng l\u1edbn y\u00eau c\u1ea7u truy c\u1eadp v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u1ee7a m\u00e1y ch\u1ee7. H\u1eadu qu\u1ea3 l\u00e0 website ho\u1eb7c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn b\u1ecb gi\u00e1n \u0111o\u1ea1n, g\u00e2y thi\u1ec7t h\u1ea1i cho doanh nghi\u1ec7p v\u00e0 m\u1ea5t uy t\u00edn trong m\u1eaft kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.5 R\u1ee7i ro t\u1eeb thi\u1ebft b\u1ecb IoT v\u00e0 m\u1ea1ng x\u00e3 h\u1ed9i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1eddi \u0111\u1ea1i \u201cm\u1ecdi th\u1ee9 \u0111\u1ec1u k\u1ebft n\u1ed1i\u201d, thi\u1ebft b\u1ecb IoT nh\u01b0 camera, router hay loa th\u00f4ng minh c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh \u0111i\u1ec3m y\u1ebfu an ninh n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt ho\u1eb7c b\u1ea3o m\u1eadt \u0111\u00fang c\u00e1ch. B\u00ean c\u1ea1nh \u0111\u00f3, vi\u1ec7c chia s\u1ebb qu\u00e1 nhi\u1ec1u th\u00f4ng tin c\u00e1 nh\u00e2n tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i c\u0169ng gi\u00fap k\u1ebb x\u1ea5u d\u1ec5 d\u00e0ng thu th\u1eadp d\u1eef li\u1ec7u \u0111\u1ec3 t\u1ea5n c\u00f4ng c\u00f3 ch\u1ee7 \u0111\u00edch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i, c\u00e1c m\u1ed1i \u0111e d\u1ecda tr\u00ean kh\u00f4ng gian m\u1ea1ng \u0111ang ng\u00e0y c\u00e0ng tinh vi v\u00e0 \u0111a d\u1ea1ng. Hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t c\u1ee7a ch\u00fang l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 m\u1ed7i c\u00e1 nh\u00e2n v\u00e0 t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 ph\u00f2ng tr\u00e1nh, \u1ee9ng ph\u00f3 v\u00e0 x\u00e2y d\u1ef1ng m\u00f4i tr\u01b0\u1eddng s\u1ed1 an to\u00e0n h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. C\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n trong b\u1ea3o m\u1eadt th\u00f4ng tin<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khi n\u00f3i \u0111\u1ebfn an to\u00e0n th\u00f4ng tin, m\u1ecdi bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7  &#8211;  d\u00f9 ph\u1ee9c t\u1ea1p \u0111\u1ebfn \u0111\u00e2u &#8211;  \u0111\u1ec1u d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc n\u1ec1n t\u1ea3ng. Vi\u1ec7c hi\u1ec3u v\u00e0 tu\u00e2n th\u1ee7 nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y s\u1ebd gi\u00fap ch\u00fang ta x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng an to\u00e0n, \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"563\" height=\"338\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/Bao_mat_du_lieu.jpg\" alt=\"C\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n trong b\u1ea3o m\u1eadt th\u00f4ng tin\" class=\"wp-image-2123\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/Bao_mat_du_lieu.jpg 563w, https:\/\/kienthucmo.com\/wp-content\/uploads\/Bao_mat_du_lieu-300x180.jpg 300w\" sizes=\"(max-width: 563px) 100vw, 563px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">3.1 Tam gi\u00e1c CIA (Confidentiality \u2013 Integrity \u2013 Availability)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 ba tr\u1ee5 c\u1ed9t c\u1ed1t l\u00f5i c\u1ee7a b\u1ea3o m\u1eadt th\u00f4ng tin:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Confidentiality (T\u00ednh b\u1ea3o m\u1eadt):<\/strong> D\u1eef li\u1ec7u ch\u1ec9 \u0111\u01b0\u1ee3c truy c\u1eadp b\u1edfi nh\u1eefng ng\u01b0\u1eddi c\u00f3 quy\u1ec1n h\u1ee3p l\u1ec7. V\u00ed d\u1ee5, t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng c\u1ee7a b\u1ea1n ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c xem b\u1edfi ch\u00ednh b\u1ea1n v\u00e0 ng\u00e2n h\u00e0ng.<\/li>\n\n\n\n<li><strong>Integrity (T\u00ednh to\u00e0n v\u1eb9n):<\/strong> \u0110\u1ea3m b\u1ea3o d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb thay \u0111\u1ed5i, x\u00f3a ho\u1eb7c ch\u1ec9nh s\u1eeda tr\u00e1i ph\u00e9p trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef ho\u1eb7c truy\u1ec1n t\u1ea3i. M\u1ed9t t\u1ec7p b\u1ecb hacker ch\u1ec9nh s\u1eeda \u00e2m th\u1ea7m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t trong l\u0129nh v\u1ef1c t\u00e0i ch\u00ednh ho\u1eb7c y t\u1ebf.<\/li>\n\n\n\n<li><strong>Availability (T\u00ednh s\u1eb5n s\u00e0ng):<\/strong> H\u1ec7 th\u1ed1ng v\u00e0 d\u1eef li\u1ec7u ph\u1ea3i lu\u00f4n kh\u1ea3 d\u1ee5ng khi ng\u01b0\u1eddi d\u00f9ng c\u1ea7n. M\u1ed9t h\u1ec7 th\u1ed1ng b\u1ecb t\u1ea5n c\u00f4ng DDoS khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng truy c\u1eadp \u0111\u01b0\u1ee3c c\u0169ng \u0111\u01b0\u1ee3c xem l\u00e0 vi ph\u1ea1m nguy\u00ean t\u1eafc n\u00e0y.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 Nguy\u00ean t\u1eafc quy\u1ec1n t\u1ed1i thi\u1ec3u (Least Privilege)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1eddi d\u00f9ng, \u1ee9ng d\u1ee5ng hay quy tr\u00ecnh ch\u1ec9 n\u00ean c\u00f3 m\u1ee9c quy\u1ec1n h\u1ea1n c\u1ea7n thi\u1ebft \u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c, kh\u00f4ng h\u01a1n. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i n\u1ebfu m\u1ed9t t\u00e0i kho\u1ea3n b\u1ecb x\u00e2m nh\u1eadp. V\u00ed d\u1ee5, nh\u00e2n vi\u00ean k\u1ebf to\u00e1n kh\u00f4ng c\u1ea7n quy\u1ec1n truy c\u1eadp v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng, v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.3 X\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA \u2013 Multi-Factor Authentication)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ec9 m\u1eadt kh\u1ea9u th\u00f4i l\u00e0 ch\u01b0a \u0111\u1ee7 an to\u00e0n. MFA th\u00eam c\u00e1c l\u1edbp b\u1ea3o v\u1ec7 kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e3 OTP, \u1ee9ng d\u1ee5ng Authenticator, ho\u1eb7c kh\u00f3a b\u1ea3o m\u1eadt v\u1eadt l\u00fd. Ngay c\u1ea3 khi m\u1eadt kh\u1ea9u b\u1ecb l\u1ed9, k\u1ebb t\u1ea5n c\u00f4ng v\u1eabn kh\u00f4ng th\u1ec3 \u0111\u0103ng nh\u1eadp n\u1ebfu thi\u1ebfu c\u00e1c y\u1ebfu t\u1ed1 x\u00e1c th\u1ef1c c\u00f2n l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.4 C\u1eadp nh\u1eadt v\u00e0 v\u00e1 l\u1ed7i th\u01b0\u1eddng xuy\u00ean<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n l\u1edbn c\u00e1c v\u1ee5 t\u1ea5n c\u00f4ng m\u1ea1ng khai th\u00e1c l\u1ed7 h\u1ed5ng ph\u1ea7n m\u1ec1m ch\u01b0a \u0111\u01b0\u1ee3c v\u00e1. Do \u0111\u00f3, vi\u1ec7c th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh, tr\u00ecnh duy\u1ec7t, ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt hay thi\u1ebft b\u1ecb IoT l\u00e0 b\u01b0\u1edbc c\u01a1 b\u1ea3n nh\u01b0ng c\u1ef1c k\u1ef3 quan tr\u1ecdng. M\u1ed9t b\u1ea3n v\u00e1 nh\u1ecf \u0111\u00f4i khi c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n c\u1ea3 m\u1ed9t th\u1ea3m h\u1ecda an ninh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i, c\u00e1c nguy\u00ean t\u1eafc n\u00e0y ch\u00ednh l\u00e0 \u201ckhung x\u01b0\u01a1ng s\u1ed1ng\u201d c\u1ee7a b\u1ea3o m\u1eadt th\u00f4ng tin. Vi\u1ec7c hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng \u0111\u00fang gi\u00fap ch\u00fang ta ph\u00f2ng ng\u1eeba r\u1ee7i ro hi\u1ec7u qu\u1ea3 v\u00e0 gi\u1eef v\u1eefng ni\u1ec1m tin trong m\u00f4i tr\u01b0\u1eddng s\u1ed1 ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. K\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 b\u1ea3o m\u1eadt ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 h\u1ec7 th\u1ed1ng tr\u01b0\u1edbc c\u00e1c m\u1ed1i \u0111e d\u1ecda ng\u00e0y c\u00e0ng tinh vi, c\u00e1c k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 b\u1ea3o m\u1eadt \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng trong m\u1ecdi m\u00f4i tr\u01b0\u1eddng s\u1ed1. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00f4ng ngh\u1ec7 ph\u1ed5 bi\u1ebfn v\u00e0 thi\u1ebft y\u1ebfu m\u00e0 m\u00ecnh v\u00e0 b\u1ea1n n\u00ean n\u1eafm r\u00f5.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"626\" height=\"626\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/Bao_mat_thong_tin.jpg\" alt=\"K\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 b\u1ea3o m\u1eadt ph\u1ed5 bi\u1ebfn\" class=\"wp-image-2127\" style=\"width:494px;height:auto\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/Bao_mat_thong_tin.jpg 626w, https:\/\/kienthucmo.com\/wp-content\/uploads\/Bao_mat_thong_tin-300x300.jpg 300w, https:\/\/kienthucmo.com\/wp-content\/uploads\/Bao_mat_thong_tin-150x150.jpg 150w\" sizes=\"(max-width: 626px) 100vw, 626px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">4.1 M\u00e3 h\u00f3a (Encryption)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e3 h\u00f3a l\u00e0 k\u1ef9 thu\u1eadt chuy\u1ec3n d\u1eef li\u1ec7u g\u1ed1c (plaintext) th\u00e0nh d\u1ea1ng kh\u00f4ng th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c (ciphertext), gi\u00fap b\u1ea3o v\u1ec7 t\u00ednh b\u00ed m\u1eadt c\u1ee7a th\u00f4ng tin trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef (data-at-rest) ho\u1eb7c truy\u1ec1n t\u1ea3i (data-in-transit).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 hai lo\u1ea1i m\u00e3 h\u00f3a ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00e3 h\u00f3a \u0111\u1ed1i x\u1ee9ng (Symmetric Encryption):<\/strong> D\u00f9ng c\u00f9ng m\u1ed9t kh\u00f3a cho c\u1ea3 m\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3. Nhanh v\u00e0 hi\u1ec7u qu\u1ea3, nh\u01b0ng c\u1ea7n qu\u1ea3n l\u00fd kh\u00f3a c\u1ea9n th\u1eadn.<\/li>\n\n\n\n<li><strong>M\u00e3 h\u00f3a b\u1ea5t \u0111\u1ed1i x\u1ee9ng (Asymmetric Encryption):<\/strong> S\u1eed d\u1ee5ng c\u1eb7p kh\u00f3a c\u00f4ng khai v\u00e0 kh\u00f3a ri\u00eang, ph\u1ed5 bi\u1ebfn trong truy\u1ec1n th\u00f4ng an to\u00e0n nh\u01b0 SSL\/TLS.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.2 SSL\/TLS \u2013 Giao th\u1ee9c b\u1ea3o m\u1eadt truy\u1ec1n th\u00f4ng tr\u00ean web<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Giao th\u1ee9c <strong>SSL\/TLS (Secure Sockets Layer \/ Transport Layer Security)<\/strong> l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a HTTPS \u2013 gi\u00fap m\u00e3 h\u00f3a d\u1eef li\u1ec7u trao \u0111\u1ed5i gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7, ng\u0103n ch\u1eb7n t\u1ea5n c\u00f4ng nghe l\u00e9n (eavesdropping) ho\u1eb7c ch\u1ec9nh s\u1eeda g\u00f3i tin.<br>M\u1ed9t website an to\u00e0n c\u1ea7n c\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ee9ng ch\u1ec9 s\u1ed1 h\u1ee3p l\u1ec7 (SSL certificate),<\/li>\n\n\n\n<li>C\u1ea5u h\u00ecnh TLS m\u1ea1nh (v\u00ed d\u1ee5: lo\u1ea1i b\u1ecf c\u00e1c cipher y\u1ebfu, b\u1eadt Perfect Forward Secrecy),<\/li>\n\n\n\n<li>Gia h\u1ea1n v\u00e0 ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 ch\u1ee9ng ch\u1ec9.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.3 T\u01b0\u1eddng l\u1eeda, IDS\/IPS, v\u00e0 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i (Endpoint Protection)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Firewall:<\/strong> L\u1ecdc v\u00e0 ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng theo ch\u00ednh s\u00e1ch thi\u1ebft l\u1eadp, ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p.<\/li>\n\n\n\n<li><strong>IDS (Intrusion Detection System):<\/strong> Ph\u00e1t hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng ho\u1eb7c d\u1ea5u hi\u1ec7u t\u1ea5n c\u00f4ng.<\/li>\n\n\n\n<li><strong>IPS (Intrusion Prevention System):<\/strong> Kh\u00f4ng ch\u1ec9 ph\u00e1t hi\u1ec7n m\u00e0 c\u00f2n ch\u1eb7n c\u00e1c h\u00e0nh vi t\u1ea5n c\u00f4ng ngay l\u1eadp t\u1ee9c.<\/li>\n\n\n\n<li><strong>Endpoint Protection (Antivirus\/EDR):<\/strong> B\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i kh\u1ecfi ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, ph\u00e2n t\u00edch h\u00e0nh vi v\u00e0 c\u00f4 l\u1eadp m\u1ed1i \u0111e d\u1ecda.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y ph\u1ed1i h\u1ee3p c\u00f9ng nhau t\u1ea1o n\u00ean l\u1edbp ph\u00f2ng th\u1ee7 nhi\u1ec1u t\u1ea7ng (defense in depth) \u2014 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o m\u1eadt hi\u1ec7u qu\u1ea3 trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.4 Qu\u1ea3n l\u00fd b\u1ea3n v\u00e1 v\u00e0 sao l\u01b0u (Patch Management &amp; Backup)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t h\u1ec7 th\u1ed1ng an to\u00e0n ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec v\u00e0 c\u1eadp nh\u1eadt li\u00ean t\u1ee5c. C\u00e1c b\u1ea3n v\u00e1 (patch) gi\u00fap kh\u1eafc ph\u1ee5c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong ph\u1ea7n m\u1ec1m. B\u00ean c\u1ea1nh \u0111\u00f3, sao l\u01b0u d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3 (backup) v\u00e0 ki\u1ec3m tra kh\u1ea3 n\u0103ng kh\u00f4i ph\u1ee5c (restore test) gi\u00fap doanh nghi\u1ec7p ho\u1eb7c c\u00e1 nh\u00e2n gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i khi g\u1eb7p s\u1ef1 c\u1ed1 nh\u01b0 t\u1ea5n c\u00f4ng ransomware hay l\u1ed7i h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed5ng th\u1ec3, c\u00e1c k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 n\u00e0y l\u00e0 \u201cl\u00e1 ch\u1eafn\u201d gi\u00fap b\u1ea3o v\u1ec7 th\u00f4ng tin tr\u01b0\u1edbc nh\u1eefng m\u1ed1i \u0111e d\u1ecda kh\u00f4ng ng\u1eebng thay \u0111\u1ed5i. Quan tr\u1ecdng h\u01a1n, ch\u00fang ch\u1ec9 th\u1ef1c s\u1ef1 hi\u1ec7u qu\u1ea3 khi \u0111\u01b0\u1ee3c tri\u1ec3n khai \u0111\u1ed3ng b\u1ed9 v\u1edbi quy tr\u00ecnh v\u00e0 nh\u1eadn th\u1ee9c b\u1ea3o m\u1eadt c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. H\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng v\u00e0 y\u1ebfu t\u1ed1 con ng\u01b0\u1eddi trong b\u1ea3o m\u1eadt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khi n\u00f3i v\u1ec1 an to\u00e0n th\u00f4ng tin, m\u00ecnh nh\u1eadn ra r\u1eb1ng y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n  &#8211;  con ng\u01b0\u1eddi m\u1edbi l\u00e0 m\u1eaft x\u00edch y\u1ebfu nh\u1ea5t trong chu\u1ed7i b\u1ea3o m\u1eadt. Theo nhi\u1ec1u nghi\u00ean c\u1ee9u, h\u01a1n 80% c\u00e1c v\u1ee5 vi ph\u1ea1m an ninh xu\u1ea5t ph\u00e1t t\u1eeb l\u1ed7i ho\u1eb7c h\u00e0nh vi b\u1ea5t c\u1ea9n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng: click v\u00e0o \u0111\u01b0\u1eddng link l\u1ea1, t\u1ea3i t\u1ec7p kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c, ho\u1eb7c s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t m\u1eadt kh\u1ea9u cho nhi\u1ec1u t\u00e0i kho\u1ea3n.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"626\" height=\"397\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/Hanh-vi-nguoi-dung.jpg\" alt=\"H\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng v\u00e0 y\u1ebfu t\u1ed1 con ng\u01b0\u1eddi trong b\u1ea3o m\u1eadt\" class=\"wp-image-2129\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/Hanh-vi-nguoi-dung.jpg 626w, https:\/\/kienthucmo.com\/wp-content\/uploads\/Hanh-vi-nguoi-dung-300x190.jpg 300w\" sizes=\"(max-width: 626px) 100vw, 626px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 h\u1ec7 th\u1ed1ng c\u00f3 m\u1ea1nh m\u1ebd \u0111\u1ebfn \u0111\u00e2u, ch\u1ec9 m\u1ed9t h\u00e0nh \u0111\u1ed9ng sai l\u1ea7m nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 m\u1edf c\u00e1nh c\u1eeda cho k\u1ebb t\u1ea5n c\u00f4ng. V\u00ec v\u1eady, y\u1ebfu t\u1ed1 con ng\u01b0\u1eddi c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf trung t\u00e2m c\u1ee7a m\u1ecdi chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o m\u1eadt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.1 C\u00e1c th\u00f3i quen an to\u00e0n ng\u01b0\u1eddi d\u00f9ng n\u00ean h\u00ecnh th\u00e0nh<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u00f4ng click v\u00e0o li\u00ean k\u1ebft ho\u1eb7c t\u1ec7p \u0111\u00ednh k\u00e8m \u0111\u00e1ng ng\u1edd:<\/strong> K\u1ebb t\u1ea5n c\u00f4ng th\u01b0\u1eddng d\u00f9ng email gi\u1ea3 m\u1ea1o ho\u1eb7c tin nh\u1eafn h\u1ea5p d\u1eabn \u0111\u1ec3 l\u1eeba ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp trang \u0111\u1ed9c h\u1ea1i.<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh v\u00e0 duy nh\u1ea5t:<\/strong> M\u1eadt kh\u1ea9u n\u00ean d\u00e0i, c\u00f3 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t, s\u1ed1 v\u00e0 ch\u1eef hoa. N\u00ean s\u1eed d\u1ee5ng <strong>tr\u00ecnh qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u (password manager)<\/strong> \u0111\u1ec3 tr\u00e1nh qu\u00ean v\u00e0 t\u00e1i s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u.<\/li>\n\n\n\n<li><strong>B\u1eadt x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA):<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 quan tr\u1ecdng gi\u00fap ng\u0103n truy c\u1eadp tr\u00e1i ph\u00e9p ngay c\u1ea3 khi m\u1eadt kh\u1ea9u b\u1ecb l\u1ed9.<\/li>\n\n\n\n<li><strong>Kh\u00f4ng chia s\u1ebb th\u00f4ng tin c\u00e1 nh\u00e2n qu\u00e1 m\u1ee9c tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i:<\/strong> Nh\u1eefng th\u00f4ng tin nh\u01b0 ng\u00e0y sinh, tr\u01b0\u1eddng h\u1ecdc, ho\u1eb7c t\u00ean th\u00fa c\u01b0ng  &#8211;  t\u01b0\u1edfng ch\u1eebng v\u00f4 h\u1ea1i  &#8211;  c\u00f3 th\u1ec3 b\u1ecb l\u1ee3i d\u1ee5ng \u0111\u1ec3 \u0111o\u00e1n m\u1eadt kh\u1ea9u ho\u1eb7c gi\u1ea3 m\u1ea1o danh t\u00ednh.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5.2 Gi\u00e1o d\u1ee5c v\u00e0 n\u00e2ng cao nh\u1eadn th\u1ee9c an to\u00e0n th\u00f4ng tin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e0o t\u1ea1o hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng nh\u1eadn bi\u1ebft m\u1ed1i \u0111e d\u1ecda v\u00e0 ph\u1ea3n \u1ee9ng \u0111\u00fang c\u00e1ch. C\u00e1c t\u1ed5 ch\u1ee9c n\u00ean t\u1ed5 ch\u1ee9c \u0111\u1ecbnh k\u1ef3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kh\u00f3a hu\u1ea5n luy\u1ec7n nh\u1eadn th\u1ee9c b\u1ea3o m\u1eadt (security awareness training),<\/li>\n\n\n\n<li>M\u00f4 ph\u1ecfng t\u1ea5n c\u00f4ng phishing \u0111\u1ec3 ki\u1ec3m tra ph\u1ea3n x\u1ea1 c\u1ee7a nh\u00e2n vi\u00ean,<\/li>\n\n\n\n<li>C\u1eadp nh\u1eadt ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 hi\u1ec3u.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1 nh\u00e2n c\u0169ng c\u00f3 th\u1ec3 t\u1ef1 h\u1ecdc qua c\u00e1c kh\u00f3a tr\u1ef1c tuy\u1ebfn mi\u1ec5n ph\u00ed ho\u1eb7c blog chuy\u00ean ng\u00e0nh \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c nguy c\u01a1 m\u1edbi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i, c\u00f4ng ngh\u1ec7 c\u00f3 th\u1ec3 gi\u1ea3m r\u1ee7i ro, nh\u01b0ng con ng\u01b0\u1eddi m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh. Khi m\u1ed7i ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec1u c\u00f3 \u00fd th\u1ee9c v\u00e0 h\u00e0nh \u0111\u1ed9ng \u0111\u00fang \u0111\u1eafn, to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u2013 t\u1eeb c\u00e1 nh\u00e2n \u0111\u1ebfn t\u1ed5 ch\u1ee9c \u2013 s\u1ebd tr\u1edf n\u00ean v\u1eefng ch\u1eafc h\u01a1n tr\u01b0\u1edbc c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1ea1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Xu h\u01b0\u1edbng b\u1ea3o m\u1eadt th\u00f4ng tin hi\u1ec7n nay<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 xu h\u01b0\u1edbng n\u1ed5i b\u1eadt hi\u1ec7n nay \u0111ang t\u00e1c \u0111\u1ed9ng m\u1ea1nh m\u1ebd \u0111\u1ebfn c\u00e1ch c\u00e1c t\u1ed5 ch\u1ee9c v\u00e0 c\u00e1 nh\u00e2n x\u00e2y d\u1ef1ng chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o m\u1eadt th\u00f4ng tin. Trong b\u1ed1i c\u1ea3nh c\u00f4ng ngh\u1ec7 thay \u0111\u1ed5i nhanh ch\u00f3ng, c\u00e1c m\u1ed1i \u0111e d\u1ecda ng\u00e0y c\u00e0ng tinh vi h\u01a1n, vi\u1ec7c c\u1eadp nh\u1eadt v\u00e0 th\u00edch \u1ee9ng v\u1edbi nh\u1eefng xu h\u01b0\u1edbng n\u00e0y l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c. N\u1eafm b\u1eaft \u0111\u00fang h\u01b0\u1edbng s\u1ebd gi\u00fap t\u1ed5 ch\u1ee9c ch\u1ee7 \u0111\u1ed9ng ph\u00f2ng ng\u1eeba r\u1ee7i ro v\u00e0 duy tr\u00ec kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch b\u1ec1n v\u1eefng.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"658\" height=\"494\" src=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/Bao-mat-dam-may-1.jpg\" alt=\"Xu h\u01b0\u1edbng b\u1ea3o m\u1eadt th\u00f4ng tin hi\u1ec7n nay\" class=\"wp-image-2133\" srcset=\"https:\/\/kienthucmo.com\/wp-content\/uploads\/Bao-mat-dam-may-1.jpg 658w, https:\/\/kienthucmo.com\/wp-content\/uploads\/Bao-mat-dam-may-1-300x225.jpg 300w\" sizes=\"(max-width: 658px) 100vw, 658px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zero Trust (Kh\u00f4ng tin m\u1eb7c \u0111\u1ecbnh)<\/strong><br>M\u00f4 h\u00ecnh Zero Trust kh\u00f4ng coi m\u1ea1ng n\u1ed9i b\u1ed9 l\u00e0 \u201can to\u00e0n\u201d m\u00e0 y\u00eau c\u1ea7u x\u00e1c th\u1ef1c v\u00e0 \u0111\u00e1nh gi\u00e1 an ninh li\u00ean t\u1ee5c cho t\u1eebng truy c\u1eadp. \u0110\u00e2y l\u00e0 h\u01b0\u1edbng \u0111i \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb b\u1edfi NIST trong t\u00e0i li\u1ec7u SP 800-207. <\/li>\n\n\n\n<li><strong>B\u1ea3o m\u1eadt \u0111\u00e1m m\u00e2y (Cloud Security)<\/strong><br>Khi nhi\u1ec1u t\u1ed5 ch\u1ee9c chuy\u1ec3n d\u1ecbch l\u00ean cloud, b\u1ea3o m\u1eadt tr\u00e1ch nhi\u1ec7m chia s\u1ebb (shared responsibility) v\u00e0 c\u1ea5u h\u00ecnh \u0111\u00fang l\u00e0 quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u.<\/li>\n\n\n\n<li><strong>AI\/ML trong b\u1ea3o m\u1eadt v\u00e0 t\u1ea5n c\u00f4ng<\/strong><br>AI \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n m\u1eabu t\u1ea5n c\u00f4ng nhanh h\u01a1n, nh\u01b0ng c\u0169ng c\u00f3 nguy c\u01a1 k\u1ebb x\u1ea5u d\u00f9ng AI t\u1ea1o email gi\u1ea3 m\u1ea1o\/voice deepfake, l\u00e0m phishing thuy\u1ebft ph\u1ee5c h\u01a1n  &#8211;  chuy\u1ec7n n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u01a1 quan an ninh nhi\u1ec1u n\u01b0\u1edbc c\u1ea3nh b\u00e1o.<\/li>\n\n\n\n<li><strong>Ransomware v\u00e0 RaaS (Ransomware-as-a-Service)<\/strong><br>Ransomware ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n theo m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5, khi\u1ebfn vi\u1ec7c t\u1ea5n c\u00f4ng tr\u1edf n\u00ean d\u1ec5 ti\u1ebfp c\u1eadn cho nhi\u1ec1u nh\u00f3m t\u1ed9i ph\u1ea1m. B\u00e1o c\u00e1o n\u0103m g\u1ea7n \u0111\u00e2y n\u00eau r\u00f5 ransomware l\u00e0 m\u1ed1i \u0111e d\u1ecda l\u1edbn tr\u00ean nhi\u1ec1u ng\u00e0nh. <\/li>\n\n\n\n<li><strong>Ti\u00eau chu\u1ea9n v\u00e0 qu\u1ea3n tr\u1ecb r\u1ee7i ro<\/strong><br>C\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ISO\/IEC 27001 gi\u00fap t\u1ed5 ch\u1ee9c x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd an ninh th\u00f4ng tin theo c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng v\u00e0 r\u1ee7i ro-c\u01a1 s\u1edf.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7. K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">An to\u00e0n th\u00f4ng tin kh\u00f4ng ch\u1ec9 l\u00e0 c\u00e2u chuy\u1ec7n c\u1ee7a c\u00f4ng ngh\u1ec7, m\u00e0 c\u00f2n l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa con ng\u01b0\u1eddi, quy tr\u00ecnh v\u00e0 nh\u1eadn th\u1ee9c. Trong k\u1ef7 nguy\u00ean s\u1ed1, khi d\u1eef li\u1ec7u tr\u1edf th\u00e0nh t\u00e0i s\u1ea3n qu\u00fd gi\u00e1, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean t\u1eafc b\u1ea3o m\u1eadt, h\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng, c\u00f9ng nh\u1eefng xu h\u01b0\u1edbng m\u1edbi nh\u01b0 Zero Trust hay AI trong an ninh m\u1ea1ng l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n. B\u1ea3o m\u1eadt kh\u00f4ng bao gi\u1edd \u0111\u1ea1t \u0111\u1ebfn m\u1ee9c \u201ctuy\u1ec7t \u0111\u1ed1i\u201d, nh\u01b0ng v\u1edbi s\u1ef1 ch\u1ee7 \u0111\u1ed9ng h\u1ecdc h\u1ecfi, \u00e1p d\u1ee5ng chu\u1ea9n m\u1ef1c v\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u00fang h\u01b0\u1edbng, ch\u00fang ta c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u00e0 t\u1ea1o n\u00ean m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u1ed1 an to\u00e0n, tin c\u1eady h\u01a1n cho m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">[1] National Institute of Standards and Technology (NIST), <em>Zero Trust Architecture (SP 800-207)<\/em>, 2020. [Online]. Available: <a>https:\/\/csrc.nist.gov\/publications\/detail\/sp\/800-207\/final<\/a><br>[2] ISO\/IEC, <em>Information Security Management Systems \u2014 Requirements (ISO\/IEC 27001)<\/em>, 2022. [Online]. Available: <a>https:\/\/www.iso.org\/isoiec-27001-information-security.html<\/a><br>[3] The Guardian, \u201cAI voice scams and deepfakes raise cybersecurity concerns,\u201d 2024. [Online]. Available: <a href=\"https:\/\/www.theguardian.com\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.theguardian.com\/<\/a><br>[4] Securelist, <em>Ransomware trends and analysis report<\/em>, 2024. [Online]. Available: <a href=\"https:\/\/securelist.com\" target=\"_blank\" rel=\"noopener\">https:\/\/securelist.com<\/a><br>[5] Microsoft Security Blog, \u201cShared Responsibility in Cloud Security,\u201d 2023. [Online]. Available: <a href=\"https:\/\/www.microsoft.com\/security\/blog\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.microsoft.com\/security\/blog\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An to\u00e0n th\u00f4ng tin kh\u00f4ng ch\u1ec9 l\u00e0 c\u00e2u chuy\u1ec7n c\u1ee7a c\u00f4ng ngh\u1ec7, m\u00e0 c\u00f2n l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa con ng\u01b0\u1eddi, quy tr\u00ecnh v\u00e0 nh\u1eadn th\u1ee9c. Trong k\u1ef7 nguy\u00ean s\u1ed1, khi d\u1eef li\u1ec7u tr\u1edf th\u00e0nh t\u00e0i s\u1ea3n qu\u00fd gi\u00e1, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean t\u1eafc b\u1ea3o m\u1eadt, h\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng, c\u00f9ng nh\u1eefng xu h\u01b0\u1edbng m\u1edbi nh\u01b0 Zero Trust hay AI trong an ninh m\u1ea1ng l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n<\/p>\n","protected":false},"author":1,"featured_media":2117,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowieHDDA:productID":"","footnotes":""},"categories":[20],"tags":[],"class_list":["post-2116","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-an-toan-thong-tin"],"_links":{"self":[{"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/posts\/2116","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=2116"}],"version-history":[{"count":5,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/posts\/2116\/revisions"}],"predecessor-version":[{"id":3298,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/posts\/2116\/revisions\/3298"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/media\/2117"}],"wp:attachment":[{"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/media?parent=2116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/categories?post=2116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kienthucmo.com\/vi\/wp-json\/wp\/v2\/tags?post=2116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}