{"id":29824,"date":"2025-06-06T17:53:31","date_gmt":"2025-06-06T10:53:31","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=29824"},"modified":"2025-06-06T17:53:31","modified_gmt":"2025-06-06T10:53:31","slug":"bao-mat-mang","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/bao-mat-mang\/","title":{"rendered":"B\u1ea3o m\u1eadt m\u1ea1ng l\u00e0 g\u00ec? T\u1ea7m quan tr\u1ecdng &#038; C\u00e1c lo\u1ea1i h\u00ecnh"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Bao-mat-mang-la-gi\" >B\u1ea3o m\u1eadt m\u1ea1ng l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Ba-tru-cot-cua-bao-mat-mang-CIA\" >Ba tr\u1ee5 c\u1ed9t c\u1ee7a b\u1ea3o m\u1eadt m\u1ea1ng (CIA)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Bao-mat-Confidentiality\" >B\u1ea3o m\u1eadt (Confidentiality)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Tinh-toan-ven-Integrity\" >T\u00ednh to\u00e0n v\u1eb9n (Integrity)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Kha-nang-truy-cap-Availability\" >Kh\u1ea3 n\u0103ng truy c\u1eadp (Availability)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Tam-quan-trong-cua-bao-mat-mang\" >T\u1ea7m quan tr\u1ecdng c\u1ee7a b\u1ea3o m\u1eadt m\u1ea1ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Ngan-ngua-ton-that-tai-chinh\" >Ng\u0103n ng\u1eeba t\u1ed5n th\u1ea5t t\u00e0i ch\u00ednh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Bao-ve-du-lieu-va-quyen-rieng-tu\" >B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 quy\u1ec1n ri\u00eang t\u01b0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Tranh-cac-hanh-vi-pham-phap\" >Tr\u00e1nh c\u00e1c h\u00e0nh vi ph\u1ea1m ph\u00e1p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Dam-bao-tinh-toan-ven-du-lieu\" >\u0110\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Cach-thuc-hoat-dong-cua-bao-mat-mang\" >C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea3o m\u1eadt m\u1ea1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Cac-loai-bao-mat-mang-pho-bien\" >C\u00e1c lo\u1ea1i b\u1ea3o m\u1eadt m\u1ea1ng ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Tuong-lua-Firewall\" >T\u01b0\u1eddng l\u1eeda (Firewall)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Phan-mem-diet-virus-Antivirus\" >Ph\u1ea7n m\u1ec1m di\u1ec7t virus (Antivirus)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Mang-rieng-ao-VPN\" >M\u1ea1ng ri\u00eang \u1ea3o (VPN)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Bao-mat-cong-Gateway-Security\" >B\u1ea3o m\u1eadt c\u1ed5ng (Gateway Security)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#He-thong-chong-xam-nhap-IPS\" >H\u1ec7 th\u1ed1ng ch\u1ed1ng x\u00e2m nh\u1eadp (IPS)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Mot-so-cau-hoi-lien-quan\" >M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi li\u00ean quan<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Bao-mat-mang-giup-ngan-chan-cac-cuoc-tan-cong-doc-hai-nhu-the-nao\" >B\u1ea3o m\u1eadt m\u1ea1ng gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1ed9c h\u1ea1i nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Cac-loai-cong-cu-bao-mat-mang-pho-bien-hien-nay-gom-nhung-gi\" >C\u00e1c lo\u1ea1i c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt m\u1ea1ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay g\u1ed3m nh\u1eefng g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Tai-sao-bao-mat-mang-lai-quan-trong-doi-voi-doanh-nghiep-cua-toi\" >T\u1ea1i sao b\u1ea3o m\u1eadt m\u1ea1ng l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi doanh nghi\u1ec7p c\u1ee7a t\u00f4i?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Nhung-hau-qua-nghiem-trong-khi-bao-mat-mang-that-bai-la-gi\" >Nh\u1eefng h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng khi b\u1ea3o m\u1eadt m\u1ea1ng th\u1ea5t b\u1ea1i l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/bao-mat-mang\/#Lam-the-nao-de-toi-co-the-nang-cao-an-toan-cho-he-thong-mang-cua-minh\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 n\u00e2ng cao an to\u00e0n cho h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee7a m\u00ecnh?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>Vi\u1ec7c hi\u1ec3u r\u00f5 b\u1ea3o m\u1eadt m\u1ea1ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n s\u1ed1 qu\u00fd gi\u00e1 c\u1ee7a b\u1ea1n v\u00e0 doanh nghi\u1ec7p. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p m\u1ed9t g\u00f3c nh\u00ecn to\u00e0n di\u1ec7n, gi\u1ea3i th\u00edch \u0111\u1ecbnh ngh\u0129a c\u1ed1t l\u00f5i, ph\u00e2n t\u00edch ba tr\u1ee5 c\u1ed9t CIA n\u1ec1n t\u1ea3ng, c\u00e1c lo\u1ea1i h\u00ecnh b\u1ea3o m\u1eadt ph\u1ed5 bi\u1ebfn, t\u1ea7m quan tr\u1ecdng thi\u1ebft th\u1ef1c, v\u00e0 tr\u1ea3 l\u1eddi nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p nh\u1ea5t \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 tin h\u01a1n trong vi\u1ec7c b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Bao-mat-mang-la-gi\"><\/span>B\u1ea3o m\u1eadt m\u1ea1ng l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ea3o m\u1eadt m\u1ea1ng l\u00e0 t\u1eadp h\u1ee3p c\u00e1c h\u00e0nh \u0111\u1ed9ng, ch\u00ednh s\u00e1ch v\u00e0 c\u00f4ng c\u1ee5 c\u00f4ng ngh\u1ec7 nh\u1eb1m b\u1ea3o v\u1ec7 t\u00ednh b\u1ea3o m\u1eadt, t\u00ednh to\u00e0n v\u1eb9n v\u00e0 kh\u1ea3 n\u0103ng truy c\u1eadp c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh c\u0169ng nh\u01b0 d\u1eef li\u1ec7u b\u00ean trong, ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng, h\u01b0 h\u1ea1i ho\u1eb7c truy c\u1eadp tr\u00e1i ph\u00e9p. M\u1ee5c ti\u00eau kh\u00f4ng ch\u1ec9 l\u00e0 ph\u00f2ng th\u1ee7 m\u00e0 c\u00f2n l\u00e0 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng th\u00f4ng su\u1ed1t.<\/p>\n<p>H\u00e3y h\u00ecnh dung d\u1eef li\u1ec7u v\u00e0 h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n l\u00e0 m\u1ed9t ng\u00f4i nh\u00e0. B\u1ea3o m\u1eadt m\u1ea1ng ch\u00ednh l\u00e0 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng an ninh b\u1ea1n x\u00e2y d\u1ef1ng cho ng\u00f4i nh\u00e0 s\u1ed1 \u0111\u00f3. H\u1ec7 th\u1ed1ng n\u00e0y bao g\u1ed3m h\u00e0ng r\u00e0o, c\u1eeda kh\u00f3a, camera gi\u00e1m s\u00e1t v\u00e0 \u0111\u1ed9i ng\u0169 b\u1ea3o v\u1ec7, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u0103n ch\u1eb7n nh\u1eefng k\u1ebb x\u00e2m nh\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang.jpg\" alt=\"B\u1ea3o m\u1eadt m\u1ea1ng\" width=\"600\" height=\"400\" class=\"aligncenter size-full wp-image-29837\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ba-tru-cot-cua-bao-mat-mang-CIA\"><\/span>Ba tr\u1ee5 c\u1ed9t c\u1ee7a b\u1ea3o m\u1eadt m\u1ea1ng (CIA)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ecdi chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o m\u1eadt m\u1ea1ng hi\u1ec7u qu\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean m\u1ed9t m\u00f4 h\u00ecnh n\u1ec1n t\u1ea3ng g\u1ecdi l\u00e0 b\u1ed9 ba CIA. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 c\u01a1 quan t\u00ecnh b\u00e1o c\u1ee7a M\u1ef9, m\u00e0 l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Confidentiality (B\u1ea3o m\u1eadt), Integrity (To\u00e0n v\u1eb9n), v\u00e0 Availability (Kh\u1ea3 d\u1ee5ng). Ba y\u1ebfu t\u1ed1 n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t tam gi\u00e1c c\u00e2n b\u1eb1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00f4ng tin.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-01.jpg\" alt=\"B\u1ea3o m\u1eadt m\u1ea1ng 01\" width=\"600\" height=\"400\" class=\"aligncenter size-full wp-image-29832\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-01.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-01-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bao-mat-Confidentiality\"><\/span>B\u1ea3o m\u1eadt (Confidentiality)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u00ednh b\u1ea3o m\u1eadt, hay t\u00ednh b\u00ed m\u1eadt, \u0111\u1ea3m b\u1ea3o r\u1eb1ng th\u00f4ng tin ch\u1ec9 \u0111\u01b0\u1ee3c ti\u1ebfp c\u1eadn b\u1edfi nh\u1eefng ng\u01b0\u1eddi c\u00f3 th\u1ea9m quy\u1ec1n. Vi\u1ec7c n\u00e0y gi\u1ed1ng nh\u01b0 ni\u00eam phong m\u1ed9t l\u00e1 th\u01b0 quan tr\u1ecdng; ch\u1ec9 ng\u01b0\u1eddi nh\u1eadn m\u1edbi c\u00f3 quy\u1ec1n m\u1edf ra xem. D\u1eef li\u1ec7u c\u1ea7n \u0111\u01b0\u1ee3c gi\u1eef k\u00edn v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi nh\u1eefng con m\u1eaft t\u00f2 m\u00f2.<\/p>\n<p>V\u00ed d\u1ee5 c\u1ee5 th\u1ec3 nh\u1ea5t l\u00e0 m\u1eadt kh\u1ea9u email c\u1ee7a b\u1ea1n. T\u00ednh b\u1ea3o m\u1eadt \u0111\u1ea3m b\u1ea3o ch\u1ec9 b\u1ea1n m\u1edbi c\u00f3 th\u1ec3 \u0111\u0103ng nh\u1eadp v\u00e0o h\u1ed9p th\u01b0 c\u1ee7a m\u00ecnh. Trong doanh nghi\u1ec7p, \u0111i\u1ec1u n\u00e0y \u00e1p d\u1ee5ng cho vi\u1ec7c ch\u1ec9 nh\u1eefng nh\u00e2n vi\u00ean \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 xem c\u00e1c b\u00e1o c\u00e1o t\u00e0i ch\u00ednh ho\u1eb7c th\u00f4ng tin kh\u00e1ch h\u00e0ng nh\u1ea1y c\u1ea3m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tinh-toan-ven-Integrity\"><\/span>T\u00ednh to\u00e0n v\u1eb9n (Integrity)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u00ednh to\u00e0n v\u1eb9n \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u lu\u00f4n ch\u00ednh x\u00e1c, nh\u1ea5t qu\u00e1n v\u00e0 kh\u00f4ng b\u1ecb thay \u0111\u1ed5i b\u1edfi nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng c\u00f3 th\u1ea9m quy\u1ec1n trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a d\u1eef li\u1ec7u. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 th\u00f4ng tin b\u1ea1n g\u1eedi \u0111i ph\u1ea3i gi\u1ed1ng h\u1ec7t th\u00f4ng tin ng\u01b0\u1eddi nh\u1eadn nh\u1eadn \u0111\u01b0\u1ee3c, kh\u00f4ng b\u1ecb s\u1eeda \u0111\u1ed5i tr\u00ean \u0111\u01b0\u1eddng truy\u1ec1n.<\/p>\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n chuy\u1ec3n kho\u1ea3n ng\u00e2n h\u00e0ng 1.000.000 VN\u0110. T\u00ednh to\u00e0n v\u1eb9n \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ed1 ti\u1ec1n \u0111\u1ebfn t\u00e0i kho\u1ea3n ng\u01b0\u1eddi nh\u1eadn v\u1eabn l\u00e0 1.000.000 VN\u0110, kh\u00f4ng b\u1ecb thay \u0111\u1ed5i th\u00e0nh 100.000 VN\u0110 hay 10.000.000 VN\u0110. Vi\u1ec7c duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n gi\u00fap ch\u00fang ta tin t\u01b0\u1edfng v\u00e0o d\u1eef li\u1ec7u m\u00ecnh \u0111ang s\u1eed d\u1ee5ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kha-nang-truy-cap-Availability\"><\/span>Kh\u1ea3 n\u0103ng truy c\u1eadp (Availability)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u1ea3 n\u0103ng truy c\u1eadp, hay t\u00ednh s\u1eb5n s\u00e0ng, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o m\u1ea1ng v\u00e0 d\u1eef li\u1ec7u b\u1ea5t c\u1ee9 khi n\u00e0o h\u1ecd c\u1ea7n. H\u1ec7 th\u1ed1ng ph\u1ea3i lu\u00f4n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t c\u00f4ng vi\u1ec7c v\u00e0 ho\u1ea1t \u0111\u1ed9ng kinh doanh.<\/p>\n<p>V\u00ed d\u1ee5, khi b\u1ea1n mu\u1ed1n truy c\u1eadp <a href=\"https:\/\/interdata.vn\/blog\/website-la-gi\/\">website<\/a> c\u1ee7a m\u1ed9t s\u00e0n th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed \u0111\u1ec3 mua s\u1eafm, website \u0111\u00f3 ph\u1ea3i lu\u00f4n s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 b\u1ea1n. N\u1ebfu h\u1ec7 th\u1ed1ng b\u1ecb t\u1ea5n c\u00f4ng T\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n (<a href=\"https:\/\/interdata.vn\/blog\/ddos-la-gi\/\">DDoS<\/a> &#8211; Distributed Denial of Service), khi\u1ebfn website s\u1eadp, th\u00ec t\u00ednh s\u1eb5n s\u00e0ng \u0111\u00e3 b\u1ecb vi ph\u1ea1m.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tam-quan-trong-cua-bao-mat-mang\"><\/span>T\u1ea7m quan tr\u1ecdng c\u1ee7a b\u1ea3o m\u1eadt m\u1ea1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ea3o m\u1eadt m\u1ea1ng kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn m\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi m\u1ecdi c\u00e1 nh\u00e2n v\u00e0 t\u1ed5 ch\u1ee9c. Vi\u1ec7c l\u01a1 l\u00e0 b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng h\u1eadu qu\u1ea3 v\u00f4 c\u00f9ng t\u1ed1n k\u00e9m v\u1ec1 nhi\u1ec1u m\u1eb7t.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-02.jpg\" alt=\"B\u1ea3o m\u1eadt m\u1ea1ng 02\" width=\"600\" height=\"400\" class=\"aligncenter size-full wp-image-29833\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-02.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-02-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ngan-ngua-ton-that-tai-chinh\"><\/span>Ng\u0103n ng\u1eeba t\u1ed5n th\u1ea5t t\u00e0i ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea5n c\u00f4ng m\u1ea1ng tr\u1ef1c ti\u1ebfp g\u00e2y ra thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh n\u1eb7ng n\u1ec1. Theo b\u00e1o c\u00e1o &#8220;Cost of a Data Breach 2023&#8221; c\u1ee7a IBM, chi ph\u00ed trung b\u00ecnh to\u00e0n c\u1ea7u cho m\u1ed9t v\u1ee5 r\u00f2 r\u1ec9 d\u1eef li\u1ec7u \u0111\u00e3 l\u00ean t\u1edbi 4.45 tri\u1ec7u USD. Con s\u1ed1 n\u00e0y bao g\u1ed3m c\u1ea3 ti\u1ec1n b\u1ecb \u0111\u00e1nh c\u1eafp, chi ph\u00ed kh\u1eafc ph\u1ee5c h\u1ec7 th\u1ed1ng, ti\u1ec1n ph\u1ea1t v\u00e0 thi\u1ec7t h\u1ea1i kinh doanh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bao-ve-du-lieu-va-quyen-rieng-tu\"><\/span>B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 quy\u1ec1n ri\u00eang t\u01b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u1eef li\u1ec7u l\u00e0 t\u00e0i s\u1ea3n gi\u00e1 tr\u1ecb. \u0110\u1ed1i v\u1edbi c\u00e1 nh\u00e2n, \u0111\u00f3 l\u00e0 th\u00f4ng tin nh\u1eadn d\u1ea1ng c\u00e1 nh\u00e2n (PII &#8211; Personally Identifiable Information), h\u00ecnh \u1ea3nh, t\u00e0i kho\u1ea3n m\u1ea1ng x\u00e3 h\u1ed9i. \u0110\u1ed1i v\u1edbi doanh nghi\u1ec7p, \u0111\u00f3 l\u00e0 d\u1eef li\u1ec7u kh\u00e1ch h\u00e0ng, b\u00ed m\u1eadt th\u01b0\u01a1ng m\u1ea1i v\u00e0 s\u1edf h\u1eefu tr\u00ed tu\u1ec7. B\u1ea3o m\u1eadt m\u1ea1ng gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c th\u00f4ng tin n\u00e0y kh\u1ecfi b\u1ecb \u0111\u00e1nh c\u1eafp v\u00e0 l\u1ea1m d\u1ee5ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tranh-cac-hanh-vi-pham-phap\"><\/span>Tr\u00e1nh c\u00e1c h\u00e0nh vi ph\u1ea1m ph\u00e1p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nhi\u1ec1u qu\u1ed1c gia \u0111\u00e3 ban h\u00e0nh c\u00e1c lu\u1eadt l\u1ec7 nghi\u00eam ng\u1eb7t v\u1ec1 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u. T\u1ea1i Vi\u1ec7t Nam, Ngh\u1ecb \u0111\u1ecbnh 13\/2023\/N\u0110-CP v\u1ec1 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n quy \u0111\u1ecbnh r\u00f5 tr\u00e1ch nhi\u1ec7m c\u1ee7a c\u00e1c t\u1ed5 ch\u1ee9c trong vi\u1ec7c b\u1ea3o v\u1ec7 th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng. Vi\u1ec7c tu\u00e2n th\u1ee7 kh\u00f4ng ch\u1ec9 gi\u00fap tr\u00e1nh c\u00e1c kho\u1ea3n ph\u1ea1t n\u1eb7ng m\u00e0 c\u00f2n x\u00e2y d\u1ef1ng l\u00f2ng tin v\u1edbi kh\u00e1ch h\u00e0ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dam-bao-tinh-toan-ven-du-lieu\"><\/span>\u0110\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt t\u1ed1t s\u1ebd \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u lu\u00f4n ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. \u0110i\u1ec1u n\u00e0y c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh nh\u01b0 t\u00e0i ch\u00ednh, y t\u1ebf v\u00e0 ch\u00ednh ph\u1ee7, n\u01a1i m\u1ed9t sai s\u00f3t nh\u1ecf v\u1ec1 d\u1eef li\u1ec7u c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng h\u1eadu qu\u1ea3 th\u1ea3m kh\u1ed1c, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh kinh doanh v\u00e0 s\u1ef1 an to\u00e0n c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach-thuc-hoat-dong-cua-bao-mat-mang\"><\/span>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea3o m\u1eadt m\u1ea1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ea3o m\u1eadt m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng theo m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c ph\u00f2ng th\u1ee7 theo chi\u1ec1u s\u00e2u, g\u1ed3m nhi\u1ec1u l\u1edbp b\u1ea3o v\u1ec7 kh\u00e1c nhau. N\u1ebfu m\u1ed9t l\u1edbp b\u1ecb xuy\u00ean th\u1ee7ng, c\u00e1c l\u1edbp kh\u00e1c s\u1ebd ti\u1ebfp t\u1ee5c nhi\u1ec7m v\u1ee5 b\u1ea3o v\u1ec7. Quy tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh ba giai \u0111o\u1ea1n ch\u00ednh: ph\u00f2ng ng\u1eeba, ph\u00e1t hi\u1ec7n v\u00e0 ph\u1ea3n \u1ee9ng.<\/p>\n<ol>\n<li><strong>Ph\u00f2ng ng\u1eeba:<\/strong> Giai \u0111o\u1ea1n n\u00e0y t\u1eadp trung v\u00e0o vi\u1ec7c ng\u0103n ch\u1eb7n c\u00e1c m\u1ed1i \u0111e d\u1ecda ngay t\u1eeb \u0111\u1ea7u. C\u00e1c bi\u1ec7n ph\u00e1p bao g\u1ed3m tri\u1ec3n khai <a href=\"https:\/\/interdata.vn\/blog\/tuong-lua-firewall\/\">t\u01b0\u1eddng l\u1eeda<\/a> \u0111\u1ec3 ki\u1ec3m so\u00e1t truy c\u1eadp, s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh, v\u00e0 \u0111\u00e0o t\u1ea1o nh\u1eadn th\u1ee9c an ninh m\u1ea1ng cho ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 h\u1ecd kh\u00f4ng tr\u1edf th\u00e0nh \u0111i\u1ec3m y\u1ebfu c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>Ph\u00e1t hi\u1ec7n:<\/strong> Kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng n\u00e0o l\u00e0 b\u1ea5t kh\u1ea3 x\u00e2m ph\u1ea1m. V\u00ec v\u1eady, l\u1edbp ti\u1ebfp theo l\u00e0 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng ho\u1eb7c c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111ang di\u1ec5n ra. C\u00e1c h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp (IDS) v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t m\u1ea1ng li\u00ean t\u1ee5c ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng \u0111\u1ec3 t\u00ecm ki\u1ebfm d\u1ea5u hi\u1ec7u \u0111\u00e1ng ng\u1edd.<\/li>\n<li><strong>Ph\u1ea3n \u1ee9ng:<\/strong> Khi m\u1ed9t m\u1ed1i \u0111e d\u1ecda \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n, \u0111\u1ed9i ng\u0169 an ninh c\u1ea7n ph\u1ea3i h\u00e0nh \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c. Giai \u0111o\u1ea1n n\u00e0y bao g\u1ed3m c\u00e1c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00f4 l\u1eadp c\u00e1c ph\u1ea7n b\u1ecb \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ea1ng \u0111\u1ec3 ng\u0103n ch\u1eb7n l\u00e2y lan, lo\u1ea1i b\u1ecf ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, v\u00e0 kh\u00f4i ph\u1ee5c h\u1ec7 th\u1ed1ng t\u1eeb c\u00e1c b\u1ea3n sao l\u01b0u an to\u00e0n.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Cac-loai-bao-mat-mang-pho-bien\"><\/span>C\u00e1c lo\u1ea1i b\u1ea3o m\u1eadt m\u1ea1ng ph\u1ed5 bi\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c l\u1edbp ph\u00f2ng th\u1ee7, ch\u00fang ta s\u1eed d\u1ee5ng nhi\u1ec1u lo\u1ea1i c\u00f4ng ngh\u1ec7 v\u00e0 gi\u1ea3i ph\u00e1p kh\u00e1c nhau. M\u1ed7i lo\u1ea1i \u0111\u00f3ng m\u1ed9t vai tr\u00f2 ri\u00eang bi\u1ec7t trong vi\u1ec7c b\u1ea3o v\u1ec7 m\u1ea1ng l\u01b0\u1edbi. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i h\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 <a href=\"https:\/\/interdata.vn\/\">InterData<\/a> th\u01b0\u1eddng xuy\u00ean tri\u1ec3n khai cho kh\u00e1ch h\u00e0ng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-03.jpg\" alt=\"B\u1ea3o m\u1eadt m\u1ea1ng 03\" width=\"600\" height=\"400\" class=\"aligncenter size-full wp-image-29834\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-03.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-03-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tuong-lua-Firewall\"><\/span>T\u01b0\u1eddng l\u1eeda (Firewall)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u01b0\u1eddng l\u1eeda ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ng\u01b0\u1eddi g\u00e1c c\u1ed5ng gi\u1eefa m\u1ea1ng n\u1ed9i b\u1ed9 an to\u00e0n c\u1ee7a b\u1ea1n v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/mang-internet\/\">m\u1ea1ng Internet<\/a> kh\u00f4ng an to\u00e0n b\u00ean ngo\u00e0i. D\u1ef1a tr\u00ean c\u00e1c quy t\u1eafc \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, t\u01b0\u1eddng l\u1eeda s\u1ebd quy\u1ebft \u0111\u1ecbnh cho ph\u00e9p ho\u1eb7c ch\u1eb7n c\u00e1c g\u00f3i d\u1eef li\u1ec7u \u0111i v\u00e0o v\u00e0 \u0111i ra kh\u1ecfi m\u1ea1ng, ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phan-mem-diet-virus-Antivirus\"><\/span>Ph\u1ea7n m\u1ec1m di\u1ec7t virus (Antivirus)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ph\u1ea7n m\u1ec1m di\u1ec7t virus l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u1ec3 qu\u00e9t, ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i (<a href=\"https:\/\/interdata.vn\/blog\/malware-la-gi\/\">malware<\/a>) nh\u01b0 virus, <a href=\"https:\/\/interdata.vn\/blog\/trojan-la-gi\/\">trojan<\/a>, spyware kh\u1ecfi c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i. C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh hi\u1ec7n \u0111\u1ea1i c\u00f2n s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 h\u1ecdc m\u00e1y \u0111\u1ec3 nh\u1eadn di\u1ec7n c\u1ea3 nh\u1eefng m\u1ed1i \u0111e d\u1ecda m\u1edbi ch\u01b0a t\u1eebng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mang-rieng-ao-VPN\"><\/span>M\u1ea1ng ri\u00eang \u1ea3o (VPN)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ea1ng ri\u00eang \u1ea3o (VPN &#8211; Virtual Private Network) t\u1ea1o ra m\u1ed9t &#8220;\u0111\u01b0\u1eddng h\u1ea7m&#8221; \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a qua m\u1ea1ng Internet c\u00f4ng c\u1ed9ng. Khi b\u1ea1n k\u1ebft n\u1ed1i qua VPN, m\u1ecdi d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n \u0111\u1ec1u \u0111\u01b0\u1ee3c che ch\u1eafn an to\u00e0n, gi\u00fap b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 ng\u0103n ch\u1eb7n vi\u1ec7c b\u1ecb nghe l\u00e9n, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi s\u1eed d\u1ee5ng c\u00e1c m\u1ea1ng Wi-Fi c\u00f4ng c\u1ed9ng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-04.jpg\" alt=\"B\u1ea3o m\u1eadt m\u1ea1ng 04\" width=\"600\" height=\"400\" class=\"aligncenter size-full wp-image-29835\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-04.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Bao-mat-mang-04-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bao-mat-cong-Gateway-Security\"><\/span>B\u1ea3o m\u1eadt c\u1ed5ng (Gateway Security)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gi\u1ea3i ph\u00e1p n\u00e0y ki\u1ec3m tra v\u00e0 l\u1ecdc to\u00e0n b\u1ed9 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1ea1i c\u1ed5ng ra v\u00e0o c\u1ee7a m\u1ea1ng. B\u1ea3o m\u1eadt c\u1ed5ng c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c m\u1ed1i \u0111e d\u1ecda tr\u01b0\u1edbc khi ch\u00fang c\u00f3 c\u01a1 h\u1ed9i x\u00e2m nh\u1eadp v\u00e0o m\u1ea1ng n\u1ed9i b\u1ed9, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ed1t ch\u1eb7n an ninh to\u00e0n di\u1ec7n cho to\u00e0n b\u1ed9 t\u1ed5 ch\u1ee9c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"He-thong-chong-xam-nhap-IPS\"><\/span>H\u1ec7 th\u1ed1ng ch\u1ed1ng x\u00e2m nh\u1eadp (IPS)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp ch\u1ec9 c\u1ea3nh b\u00e1o, H\u1ec7 th\u1ed1ng ch\u1ed1ng x\u00e2m nh\u1eadp (<a href=\"https:\/\/interdata.vn\/blog\/ips-la-gi\/\">IPS<\/a> &#8211; Intrusion Prevention System) ch\u1ee7 \u0111\u1ed9ng h\u01a1n. Khi ph\u00e1t hi\u1ec7n m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng ti\u1ec1m t\u00e0ng, IPS c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u00e1ng ng\u1edd \u0111\u00f3, gi\u00fap ng\u0103n ch\u1eb7n thi\u1ec7t h\u1ea1i tr\u01b0\u1edbc khi x\u1ea3y ra.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mot-so-cau-hoi-lien-quan\"><\/span>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi li\u00ean quan<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ph\u1ea7n n\u00e0y s\u1ebd gi\u1ea3i \u0111\u00e1p m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u1ec1 b\u1ea3o m\u1eadt m\u1ea1ng \u0111\u1ec3 cung c\u1ea5p cho b\u1ea1n c\u00e1i nh\u00ecn r\u00f5 r\u00e0ng v\u00e0 th\u1ef1c t\u1ebf h\u01a1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bao-mat-mang-giup-ngan-chan-cac-cuoc-tan-cong-doc-hai-nhu-the-nao\"><\/span>B\u1ea3o m\u1eadt m\u1ea1ng gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng \u0111\u1ed9c h\u1ea1i nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea3o m\u1eadt m\u1ea1ng ng\u0103n ch\u1eb7n t\u1ea5n c\u00f4ng th\u00f4ng qua m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c \u0111a l\u1edbp. L\u1edbp ngo\u00e0i c\u00f9ng l\u00e0 t\u01b0\u1eddng l\u1eeda v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng ph\u00f2ng th\u1ee7 \u0111\u1ec3 ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p. B\u00ean trong, c\u00e1c ch\u00ednh s\u00e1ch x\u00e1c th\u1ef1c m\u1ea1nh \u0111\u1ea3m b\u1ea3o ch\u1ec9 ng\u01b0\u1eddi d\u00f9ng h\u1ee3p l\u1ec7 m\u1edbi c\u00f3 th\u1ec3 v\u00e0o h\u1ec7 th\u1ed1ng. Cu\u1ed1i c\u00f9ng, c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t li\u00ean t\u1ee5c t\u00ecm ki\u1ebfm v\u00e0 v\u00f4 hi\u1ec7u h\u00f3a c\u00e1c m\u1ed1i \u0111e d\u1ecda \u0111\u00e3 l\u1ecdt v\u00e0o trong.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cac-loai-cong-cu-bao-mat-mang-pho-bien-hien-nay-gom-nhung-gi\"><\/span>C\u00e1c lo\u1ea1i c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt m\u1ea1ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay g\u1ed3m nh\u1eefng g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn bao g\u1ed3m T\u01b0\u1eddng l\u1eeda (Firewall) \u0111\u1ec3 ki\u1ec3m so\u00e1t truy c\u1eadp, Ph\u1ea7n m\u1ec1m di\u1ec7t virus (Antivirus) \u0111\u1ec3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i, M\u1ea1ng ri\u00eang \u1ea3o (VPN) \u0111\u1ec3 m\u00e3 h\u00f3a k\u1ebft n\u1ed1i, H\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n\/ch\u1ed1ng x\u00e2m nh\u1eadp (IDS\/IPS) \u0111\u1ec3 gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng, v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p B\u1ea3o m\u1eadt Email \u0111\u1ec3 ch\u1ed1ng l\u1eeba \u0111\u1ea3o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tai-sao-bao-mat-mang-lai-quan-trong-doi-voi-doanh-nghiep-cua-toi\"><\/span>T\u1ea1i sao b\u1ea3o m\u1eadt m\u1ea1ng l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi doanh nghi\u1ec7p c\u1ee7a t\u00f4i?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ed1i v\u1edbi doanh nghi\u1ec7p, b\u1ea3o m\u1eadt m\u1ea1ng c\u1ef1c k\u1ef3 quan tr\u1ecdng v\u00ec ba l\u00fd do ch\u00ednh. Th\u1ee9 nh\u1ea5t, b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n t\u00e0i ch\u00ednh kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1ed1ng ti\u1ec1n ho\u1eb7c l\u1eeba \u0111\u1ea3o. Th\u1ee9 hai, duy tr\u00ec uy t\u00edn th\u01b0\u01a1ng hi\u1ec7u v\u00e0 l\u00f2ng tin c\u1ee7a kh\u00e1ch h\u00e0ng b\u1eb1ng c\u00e1ch b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a h\u1ecd. Th\u1ee9 ba, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng kinh doanh di\u1ec5n ra li\u00ean t\u1ee5c, kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nhung-hau-qua-nghiem-trong-khi-bao-mat-mang-that-bai-la-gi\"><\/span>Nh\u1eefng h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng khi b\u1ea3o m\u1eadt m\u1ea1ng th\u1ea5t b\u1ea1i l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi b\u1ea3o m\u1eadt m\u1ea1ng th\u1ea5t b\u1ea1i, h\u1eadu qu\u1ea3 c\u00f3 th\u1ec3 r\u1ea5t nghi\u00eam tr\u1ecdng:<\/p>\n<ul>\n<li><strong>Thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh:<\/strong> M\u1ea5t ti\u1ec1n tr\u1ef1c ti\u1ebfp, chi ph\u00ed kh\u00f4i ph\u1ee5c cao.<\/li>\n<li><strong>M\u1ea5t m\u00e1t d\u1eef li\u1ec7u:<\/strong> D\u1eef li\u1ec7u kh\u00e1ch h\u00e0ng, b\u00ed m\u1eadt kinh doanh b\u1ecb \u0111\u00e1nh c\u1eafp ho\u1eb7c ph\u00e1 h\u1ee7y.<\/li>\n<li><strong>S\u1ee5p \u0111\u1ed5 uy t\u00edn:<\/strong> M\u1ea5t l\u00f2ng tin t\u1eeb kh\u00e1ch h\u00e0ng v\u00e0 \u0111\u1ed1i t\u00e1c, kh\u00f3 c\u00f3 th\u1ec3 l\u1ea5y l\u1ea1i.<\/li>\n<li><strong>V\u1ea5n \u0111\u1ec1 ph\u00e1p l\u00fd:<\/strong> B\u1ecb ph\u1ea1t n\u1eb7ng do vi ph\u1ea1m c\u00e1c quy \u0111\u1ecbnh v\u1ec1 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Lam-the-nao-de-toi-co-the-nang-cao-an-toan-cho-he-thong-mang-cua-minh\"><\/span>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 n\u00e2ng cao an to\u00e0n cho h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee7a m\u00ecnh?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u ngay v\u1edbi nh\u1eefng h\u00e0nh \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3. H\u00e3y s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh v\u00e0 duy nh\u1ea5t cho m\u1ed7i t\u00e0i kho\u1ea3n. Lu\u00f4n b\u1eadt x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u c\u00f3 th\u1ec3. Th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/he-dieu-hanh\/\">h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/a>. Cu\u1ed1i c\u00f9ng, h\u00e3y lu\u00f4n c\u1ea3nh gi\u00e1c v\u1edbi c\u00e1c email v\u00e0 tin nh\u1eafn \u0111\u00e1ng ng\u1edd.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c hi\u1ec3u r\u00f5 b\u1ea3o m\u1eadt m\u1ea1ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n s\u1ed1 qu\u00fd gi\u00e1 c\u1ee7a b\u1ea1n v\u00e0 doanh nghi\u1ec7p. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p m\u1ed9t g\u00f3c nh\u00ecn to\u00e0n di\u1ec7n, gi\u1ea3i th\u00edch \u0111\u1ecbnh ngh\u0129a c\u1ed1t l\u00f5i, ph\u00e2n t\u00edch ba tr\u1ee5 c\u1ed9t CIA n\u1ec1n t\u1ea3ng, c\u00e1c lo\u1ea1i h\u00ecnh b\u1ea3o m\u1eadt ph\u1ed5<\/p>\n","protected":false},"author":2,"featured_media":29837,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[151],"tags":[],"class_list":["post-29824","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mang"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/29824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=29824"}],"version-history":[{"count":2,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/29824\/revisions"}],"predecessor-version":[{"id":29841,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/29824\/revisions\/29841"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/29837"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=29824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=29824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=29824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}