{"id":32649,"date":"2025-08-19T10:55:53","date_gmt":"2025-08-19T03:55:53","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=32649"},"modified":"2025-08-21T15:24:45","modified_gmt":"2025-08-21T08:24:45","slug":"password-spraying-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/","title":{"rendered":"Password Spraying l\u00e0 g\u00ec? H\u1eadu qu\u1ea3 &#038; M\u1eb9o ph\u00f2ng ch\u1ed1ng phun m\u1eadt kh\u1ea9u"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\/password-spraying-la-gi\/#Password-Spraying-la-gi\" >Password Spraying 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\/password-spraying-la-gi\/#Password-spraying-hoat-dong-nhu-the-nao\" >Password spraying ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/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\/password-spraying-la-gi\/#1-Thu-thap-danh-sach-nguoi-dung\" >1. Thu th\u1eadp danh s\u00e1ch ng\u01b0\u1eddi d\u00f9ng<\/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\/password-spraying-la-gi\/#2-Chuan-bi-mot-danh-sach-mat-khau-pho-bien\" >2. Chu\u1ea9n b\u1ecb m\u1ed9t danh s\u00e1ch m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn<\/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\/password-spraying-la-gi\/#3-Thuc-hien-tan-cong-rai-mat-khau\" >3. Th\u1ef1c hi\u1ec7n t\u1ea5n c\u00f4ng r\u1ea3i m\u1eadt kh\u1ea9u<\/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\/password-spraying-la-gi\/#Tac-hai-cua-tan-cong-password-spraying\" >T\u00e1c h\u1ea1i c\u1ee7a t\u1ea5n c\u00f4ng password spraying<\/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\/password-spraying-la-gi\/#Mat-quyen-kiem-soat-tai-khoan\" >M\u1ea5t quy\u1ec1n ki\u1ec3m so\u00e1t t\u00e0i kho\u1ea3n<\/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\/password-spraying-la-gi\/#Ro-ri-du-lieu-nhay-cam\" >R\u00f2 r\u1ec9 d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m<\/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\/password-spraying-la-gi\/#Lan-truyen-ma-doc-va-kiem-soat-he-thong\" >Lan truy\u1ec1n m\u00e3 \u0111\u1ed9c v\u00e0 ki\u1ec3m so\u00e1t h\u1ec7 th\u1ed1ng<\/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\/password-spraying-la-gi\/#Thiet-hai-ve-tai-chinh-va-uy-tin\" >Thi\u1ec7t h\u1ea1i v\u1ec1 t\u00e0i ch\u00ednh v\u00e0 uy t\u00edn<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Lam-gian-doan-hoat-dong-kinh-doanh\" >L\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng kinh doanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Kho-phat-hien-va-tranh-bi-khoa-tai-khoan\" >Kh\u00f3 ph\u00e1t hi\u1ec7n v\u00e0 tr\u00e1nh b\u1ecb kh\u00f3a t\u00e0i kho\u1ea3n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Dau-hieu-nhan-biet-bi-tan-cong-password-spraying\" >D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft b\u1ecb t\u1ea5n c\u00f4ng password spraying<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Tang-manh-so-lan-dang-nhap-khong-thanh-cong\" >T\u0103ng m\u1ea1nh s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp kh\u00f4ng th\u00e0nh c\u00f4ng<\/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\/password-spraying-la-gi\/#So-luong-tai-khoan-bi-khoa-cao-bat-thuong\" >S\u1ed1 l\u01b0\u1ee3ng t\u00e0i kho\u1ea3n b\u1ecb kh\u00f3a cao b\u1ea5t th\u01b0\u1eddng<\/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\/password-spraying-la-gi\/#Dang-nhap-tu-cac-tai-khoan-khong-hop-le\" >\u0110\u0103ng nh\u1eadp t\u1eeb c\u00e1c t\u00e0i kho\u1ea3n kh\u00f4ng h\u1ee3p l\u1ec7<\/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\/password-spraying-la-gi\/#Luu-luong-xac-thuc-bat-thuong-duoc-ghi-nhan-trong-nhat-ky-he-thong\" >L\u01b0u l\u01b0\u1ee3ng x\u00e1c th\u1ef1c b\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi nh\u1eadn trong nh\u1eadt k\u00fd h\u1ec7 th\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Thong-bao-trang-thai-loi-nhat-quan\" >Th\u00f4ng b\u00e1o tr\u1ea1ng th\u00e1i l\u1ed7i nh\u1ea5t qu\u00e1n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Vi-du-ve-cac-cuoc-tan-cong-Password-Spraying\" >V\u00ed d\u1ee5 v\u1ec1 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Password Spraying<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Microsoft-Exchange-Online-Thang-102022\" >Microsoft Exchange Online (Th\u00e1ng 10\/2022)<\/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\/password-spraying-la-gi\/#Citrix-2018%E2%80%932019\" >Citrix (2018\u20132019)<\/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\/password-spraying-la-gi\/#Microsoft-Office-365-2019\" >Microsoft Office 365 (2019)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Phan-biet-Password-Spraying-va-Brute-Force\" >Ph\u00e2n bi\u1ec7t Password Spraying v\u00e0 Brute Force<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Cach-phong-chong-tan-cong-password-spraying\" >C\u00e1ch ph\u00f2ng ch\u1ed1ng t\u1ea5n c\u00f4ng password spraying<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Cau-hoi-thuong-gap-ve-tan-cong-Password-Spraying\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 t\u1ea5n c\u00f4ng Password Spraying<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Tan-cong-Password-Spraying-co-hop-phap-khong\" >T\u1ea5n c\u00f4ng Password Spraying c\u00f3 h\u1ee3p ph\u00e1p kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Xac-thuc-da-yeu-to-MFA-co-thuc-su-hieu-qua-khong\" >X\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA) c\u00f3 th\u1ef1c s\u1ef1 hi\u1ec7u qu\u1ea3 kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/#Tan-cong-Password-Spraying-co-phai-la-moi-de-doa-lon-khong\" >T\u1ea5n c\u00f4ng Password Spraying c\u00f3 ph\u1ea3i l\u00e0 m\u1ed1i \u0111e d\u1ecda l\u1edbn kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>T\u1ea5n c\u00f4ng r\u1ea3i m\u1eadt kh\u1ea9u (Password Spraying) l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng m\u1ea1ng trong \u0111\u00f3 tin t\u1eb7c s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 \u00edt m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn \u0111\u1ec3 th\u1eed v\u1edbi m\u1ed9t danh s\u00e1ch l\u1edbn c\u00e1c t\u00ean ng\u01b0\u1eddi d\u00f9ng. D\u01b0\u1edbi \u0111\u00e2y, InterData s\u1ebd \u0111i s\u00e2u v\u00e0o t\u00ecm hi\u1ec3u <strong>t\u1ea5n c\u00f4ng <a href=\"https:\/\/interdata.vn\/blog\/password-spraying-la-gi\/\">Password Spraying l\u00e0 g\u00ec<\/a><\/strong>, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, t\u00e1c h\u1ea1i, c\u00e1c d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft v\u00e0 nh\u1eefng gi\u1ea3i ph\u00e1p tr\u00e1nh t\u1ea5n c\u00f4ng phun m\u1eadt kh\u1ea9u hi\u1ec7u qu\u1ea3 \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Password-Spraying-la-gi\"><\/span>Password Spraying l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Password Spraying<\/strong> (phun m\u1eadt kh\u1ea9u) l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng nh\u1eafm v\u00e0o t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng, thay v\u00ec th\u1eed h\u00e0ng tr\u0103m, h\u00e0ng ngh\u00ecn m\u1eadt kh\u1ea9u tr\u00ean m\u1ed9t t\u00e0i kho\u1ea3n, tin t\u1eb7c l\u1ea1i s\u1eed d\u1ee5ng m\u1ed9t ho\u1eb7c m\u1ed9t v\u00e0i m\u1eadt kh\u1ea9u y\u1ebfu, ph\u1ed5 bi\u1ebfn \u0111\u1ec3 th\u1eed tr\u00ean h\u00e0ng lo\u1ea1t t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng. T\u1ea5n c\u00f4ng Password Spraying theo m\u1ed9t c\u00e1ch th\u1ee9c kh\u00e1c bi\u1ec7t so v\u1edbi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Brute Force truy\u1ec1n th\u1ed1ng.<\/p>\n<figure id=\"attachment_32652\" aria-describedby=\"caption-attachment-32652\" style=\"width: 613px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-32652\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Tan-cong-Password-Spraying-la-gi.png\" alt=\"T\u1ea5n c\u00f4ng Password Spraying l\u00e0 g\u00ec\" width=\"613\" height=\"416\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Tan-cong-Password-Spraying-la-gi.png 613w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Tan-cong-Password-Spraying-la-gi-300x204.png 300w\" sizes=\"auto, (max-width: 613px) 100vw, 613px\" \/><figcaption id=\"caption-attachment-32652\" class=\"wp-caption-text\">T\u1ea5n c\u00f4ng Password Spraying l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>M\u1ee5c ti\u00eau c\u1ee7a k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng phun m\u1eadt kh\u1ea9u n\u00e0y l\u00e0 tr\u00e1nh k\u00edch ho\u1ea1t c\u01a1 ch\u1ebf kh\u00f3a t\u00e0i kho\u1ea3n (account lockout) c\u1ee7a h\u1ec7 th\u1ed1ng, v\u00ec m\u1ed7i t\u00e0i kho\u1ea3n ch\u1ec9 b\u1ecb th\u1eed m\u1ed9t l\u1ea7n cho m\u1ed9t m\u1eadt kh\u1ea9u c\u1ee5 th\u1ec3, cu\u1ed9c t\u1ea5n c\u00f4ng di\u1ec5n ra ch\u1eadm r\u00e3i, kh\u00f3 b\u1ecb ph\u00e1t hi\u1ec7n v\u00e0 th\u01b0\u1eddng th\u00e0nh c\u00f4ng v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u y\u1ebfu.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Password-spraying-hoat-dong-nhu-the-nao\"><\/span><strong>Password spraying ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Quy tr\u00ecnh t\u1ea5n c\u00f4ng phun m\u1eadt kh\u1ea9u kh\u00f4ng h\u1ec1 ng\u1eabu nhi\u00ean m\u00e0 tu\u00e2n theo m\u1ed9t k\u1ecbch b\u1ea3n c\u00f3 t\u00ednh to\u00e1n. C\u00f3 th\u1ec3 m\u00f4 t\u1ea3 quy tr\u00ecnh n\u00e0y qua ba b\u01b0\u1edbc ch\u00ednh:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Thu-thap-danh-sach-nguoi-dung\"><\/span><strong>1. Thu th\u1eadp danh s\u00e1ch ng\u01b0\u1eddi d\u00f9ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tin t\u1eb7c b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c thu th\u1eadp m\u1ed9t danh s\u00e1ch c\u00e1c t\u00ean ng\u01b0\u1eddi d\u00f9ng h\u1ee3p l\u1ec7 trong m\u1ed9t t\u1ed5 ch\u1ee9c ho\u1eb7c h\u1ec7 th\u1ed1ng. Ngu\u1ed3n d\u1eef li\u1ec7u c\u00f3 th\u1ec3 t\u1eeb nhi\u1ec1u k\u00eanh kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<ul>\n<li><strong>Th\u00f4ng tin c\u00f4ng khai:<\/strong> C\u00e1c t\u00e0i kho\u1ea3n LinkedIn, danh b\u1ea1 nh\u00e2n vi\u00ean tr\u00ean website c\u00f4ng ty.<\/li>\n<li><strong>Vi ph\u1ea1m d\u1eef li\u1ec7u (Data Breaches):<\/strong> D\u1eef li\u1ec7u r\u00f2 r\u1ec9 t\u1eeb c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng tr\u01b0\u1edbc \u0111\u00f3.<\/li>\n<li><strong>C\u00e1c c\u00f4ng c\u1ee5 reconaissance (trinh s\u00e1t):<\/strong> S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng \u0111\u1ec3 qu\u00e9t v\u00e0 thu th\u1eadp th\u00f4ng tin v\u1ec1 c\u1ea5u tr\u00fac t\u00ean ng\u01b0\u1eddi d\u00f9ng c\u1ee7a t\u1ed5 ch\u1ee9c.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2-Chuan-bi-mot-danh-sach-mat-khau-pho-bien\"><\/span><strong>2. Chu\u1ea9n b\u1ecb m\u1ed9t danh s\u00e1ch m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi c\u00f3 danh s\u00e1ch t\u00ean ng\u01b0\u1eddi d\u00f9ng, tin t\u1eb7c s\u1ebd t\u1ea1o m\u1ed9t danh s\u00e1ch c\u00e1c m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn v\u00e0 y\u1ebfu. C\u00e1c m\u1eadt kh\u1ea9u n\u00e0y th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n<ul>\n<li>T\u00ean c\u00f4ng ty ho\u1eb7c s\u1ea3n ph\u1ea9m k\u00e8m theo n\u0103m hi\u1ec7n t\u1ea1i (v\u00ed d\u1ee5: <code>InterData2025!<\/code>)<\/li>\n<li>C\u00e1c t\u1eeb ng\u1eef \u0111\u01a1n gi\u1ea3n, quen thu\u1ed9c (v\u00ed d\u1ee5: <code>password<\/code>, <code>admin<\/code>, <code>welcome<\/code>)<\/li>\n<li>C\u00e1c chu\u1ed7i s\u1ed1 th\u1ee9 t\u1ef1 \u0111\u01a1n gi\u1ea3n (v\u00ed d\u1ee5: <code>123456<\/code>, <code>654321<\/code>)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3-Thuc-hien-tan-cong-rai-mat-khau\"><\/span><strong>3. Th\u1ef1c hi\u1ec7n t\u1ea5n c\u00f4ng r\u1ea3i m\u1eadt kh\u1ea9u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cu\u1ed1i c\u00f9ng, tin t\u1eb7c s\u1ebd s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 &#8220;r\u1ea3i&#8221; c\u00e1c m\u1eadt kh\u1ea9u n\u00e0y l\u00ean danh s\u00e1ch t\u00ean ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 thu th\u1eadp. V\u00ed d\u1ee5, ch\u00fang s\u1ebd th\u1eed m\u1eadt kh\u1ea9u <code>Spring2025!<\/code> v\u1edbi 1000 t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng kh\u00e1c nhau. Sau \u0111\u00f3, ch\u00fang chuy\u1ec3n sang m\u1eadt kh\u1ea9u <code>Winter2025!<\/code> v\u00e0 l\u1eb7p l\u1ea1i quy tr\u00ecnh.<\/p>\n<p>C\u00e1ch l\u00e0m n\u00e0y kh\u00f4ng g\u00e2y ra qu\u00e1 nhi\u1ec1u l\u1ea7n \u0111\u0103ng nh\u1eadp sai tr\u00ean m\u1ed9t t\u00e0i kho\u1ea3n, t\u1eeb \u0111\u00f3 tr\u00e1nh b\u1ecb h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt ph\u00e1t hi\u1ec7n v\u00e0 kh\u00f3a t\u00e0i kho\u1ea3n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tac-hai-cua-tan-cong-password-spraying\"><\/span>T\u00e1c h\u1ea1i c\u1ee7a t\u1ea5n c\u00f4ng password spraying<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi t\u1ea5n c\u00f4ng Password Spraying th\u00e0nh c\u00f4ng, h\u1eadu qu\u1ea3 \u0111\u1ec3 l\u1ea1i c\u00f3 th\u1ec3 r\u1ea5t nghi\u00eam tr\u1ecdng, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn an ninh, t\u00e0i ch\u00ednh v\u00e0 uy t\u00edn c\u1ee7a t\u1ed5 ch\u1ee9c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c \u0111i\u1ec3m ch\u00ednh:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mat-quyen-kiem-soat-tai-khoan\"><\/span>M\u1ea5t quy\u1ec1n ki\u1ec3m so\u00e1t t\u00e0i kho\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ea5t quy\u1ec1n ki\u1ec3m so\u00e1t t\u00e0i kho\u1ea3n l\u00e0 h\u1eadu qu\u1ea3 tr\u1ef1c ti\u1ebfp, tin t\u1eb7c s\u1ebd chi\u1ebfm \u0111\u01b0\u1ee3c quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c t\u00e0i kho\u1ea3n nh\u1ea1y c\u1ea3m nh\u01b0 email doanh nghi\u1ec7p, t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng, ho\u1eb7c c\u00e1c t\u00e0i kho\u1ea3n ch\u1ee9a d\u1eef li\u1ec7u quan tr\u1ecdng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ro-ri-du-lieu-nhay-cam\"><\/span>R\u00f2 r\u1ec9 d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi c\u00f3 quy\u1ec1n truy c\u1eadp, tin t\u1eb7c c\u00f3 th\u1ec3 l\u1ea5y c\u1eafp c\u00e1c d\u1eef li\u1ec7u b\u00ed m\u1eadt nh\u01b0 th\u00f4ng tin kh\u00e1ch h\u00e0ng, b\u00e1o c\u00e1o t\u00e0i ch\u00ednh, t\u00e0i li\u1ec7u nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 g\u00e2y t\u1ed5n th\u1ea5t v\u1ec1 m\u1eb7t kinh t\u1ebf m\u00e0 c\u00f2n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ee5 ki\u1ec7n t\u1ee5ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lan-truyen-ma-doc-va-kiem-soat-he-thong\"><\/span>Lan truy\u1ec1n m\u00e3 \u0111\u1ed9c v\u00e0 ki\u1ec3m so\u00e1t h\u1ec7 th\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tin t\u1eb7c c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00e0i kho\u1ea3n b\u1ecb chi\u1ebfm \u0111o\u1ea1t \u0111\u1ec3 c\u00e0i \u0111\u1eb7t m\u00e3 \u0111\u1ed9c (ransomware, spyware) ho\u1eb7c t\u1ea1o ra c\u00e1c t\u00e0i kho\u1ea3n &#8220;backdoor&#8221; \u0111\u1ec3 duy tr\u00ec quy\u1ec1n truy c\u1eadp l\u00e2u d\u00e0i, ph\u1ee5c v\u1ee5 cho c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng trong t\u01b0\u01a1ng lai.<\/p>\n<figure id=\"attachment_32653\" aria-describedby=\"caption-attachment-32653\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-32653\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Tac-hai-cua-tan-cong-password-spraying.png\" alt=\"T\u00e1c h\u1ea1i c\u1ee7a t\u1ea5n c\u00f4ng password spraying\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Tac-hai-cua-tan-cong-password-spraying.png 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Tac-hai-cua-tan-cong-password-spraying-300x300.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Tac-hai-cua-tan-cong-password-spraying-150x150.png 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-32653\" class=\"wp-caption-text\">T\u00e1c h\u1ea1i c\u1ee7a t\u1ea5n c\u00f4ng password spraying<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Thiet-hai-ve-tai-chinh-va-uy-tin\"><\/span>Thi\u1ec7t h\u1ea1i v\u1ec1 t\u00e0i ch\u00ednh v\u00e0 uy t\u00edn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng th\u00e0nh c\u00f4ng kh\u00f4ng ch\u1ec9 g\u00e2y ra t\u1ed5n th\u1ea5t t\u00e0i ch\u00ednh tr\u1ef1c ti\u1ebfp m\u00e0 c\u00f2n l\u00e0m gi\u1ea3m uy t\u00edn c\u1ee7a t\u1ed5 ch\u1ee9c. Kh\u00e1ch h\u00e0ng v\u00e0 \u0111\u1ed1i t\u00e1c s\u1ebd m\u1ea5t l\u00f2ng tin v\u00e0o kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt c\u1ee7a b\u1ea1n, d\u1eabn \u0111\u1ebfn nh\u1eefng thi\u1ec7t h\u1ea1i l\u00e2u d\u00e0i v\u1ec1 kinh doanh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lam-gian-doan-hoat-dong-kinh-doanh\"><\/span>L\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng kinh doanh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cu\u1ed9c t\u1ea5n c\u00f4ng password spraying c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng, c\u00e1c email \u0111\u1ed9c h\u1ea1i lan truy\u1ec1n, g\u00e2y m\u1ea5t t\u1eadp trung v\u00e0 gi\u1ea3m n\u0103ng su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a nh\u00e2n vi\u00ean.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kho-phat-hien-va-tranh-bi-khoa-tai-khoan\"><\/span>Kh\u00f3 ph\u00e1t hi\u1ec7n v\u00e0 tr\u00e1nh b\u1ecb kh\u00f3a t\u00e0i kho\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00e1c v\u1edbi c\u00e1c t\u1ea5n c\u00f4ng brute force truy\u1ec1n th\u1ed1ng, password spraying d\u00f9ng s\u1ed1 l\u1ea7n th\u1eed r\u1ea5t \u00edt tr\u00ean m\u1ed7i t\u00e0i kho\u1ea3n \u0111\u1ec3 tr\u00e1nh b\u1ecb kh\u00f3a t\u00e0i kho\u1ea3n do ch\u00ednh s\u00e1ch kh\u00f3a khi \u0111\u0103ng nh\u1eadp sai nhi\u1ec1u l\u1ea7n, khi\u1ebfn vi\u1ec7c ph\u00e1t hi\u1ec7n tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n<p>Do \u0111\u00f3, password spraying l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng m\u1eadt kh\u1ea9u r\u1ea5t tinh vi v\u00e0 ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn, khi\u1ebfn vi\u1ec7c b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u v\u00e0 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c nhi\u1ec1u y\u1ebfu t\u1ed1 tr\u1edf n\u00ean h\u1ebft s\u1ee9c quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i kho\u1ea3n v\u00e0 h\u1ec7 th\u1ed1ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dau-hieu-nhan-biet-bi-tan-cong-password-spraying\"><\/span>D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft b\u1ecb t\u1ea5n c\u00f4ng password spraying<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 ph\u00f2ng tr\u00e1nh t\u1ea5n c\u00f4ng x\u1ecbt m\u1eadt kh\u1ea9u, ch\u00fang ta c\u1ea7n nh\u1eadn bi\u1ebft c\u00e1c d\u1ea5u hi\u1ec7u s\u1edbm. N\u1ebfu b\u1ea1n l\u00e0 m\u1ed9t qu\u1ea3n tr\u1ecb vi\u00ean IT, h\u00e3y ch\u00fa \u00fd \u0111\u1ebfn nh\u1eefng \u0111i\u1ec3m sau:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tang-manh-so-lan-dang-nhap-khong-thanh-cong\"><\/span>T\u0103ng m\u1ea1nh s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp kh\u00f4ng th\u00e0nh c\u00f4ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u00ec password spraying th\u1eed c\u00f9ng m\u1ed9t m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn v\u1edbi nhi\u1ec1u t\u00e0i kho\u1ea3n kh\u00e1c nhau \u0111\u1ed3ng th\u1eddi, h\u1ec7 th\u1ed1ng s\u1ebd ghi nh\u1eadn l\u01b0\u1ee3ng l\u1edbn \u0111\u0103ng nh\u1eadp th\u1ea5t b\u1ea1i trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"So-luong-tai-khoan-bi-khoa-cao-bat-thuong\"><\/span>S\u1ed1 l\u01b0\u1ee3ng t\u00e0i kho\u1ea3n b\u1ecb kh\u00f3a cao b\u1ea5t th\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1eb7c d\u00f9 password spraying c\u1ed1 g\u1eafng tr\u00e1nh vi\u1ec7c kh\u00f3a t\u00e0i kho\u1ea3n b\u1eb1ng c\u00e1ch th\u1eed t\u1eebng m\u1eadt kh\u1ea9u tr\u00ean nhi\u1ec1u t\u00e0i kho\u1ea3n kh\u00e1c nhau, nh\u01b0ng n\u1ebfu s\u1ed1 l\u01b0\u1ee3ng t\u00e0i kho\u1ea3n b\u1ecb kh\u00f3a t\u0103ng \u0111\u1ed9t bi\u1ebfn c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u k\u1ebb t\u1ea5n c\u00f4ng \u0111ang th\u1ef1c hi\u1ec7n c\u00e1c n\u1ed7 l\u1ef1c \u0111\u0103ng nh\u1eadp li\u00ean t\u1ee5c.<\/p>\n<figure id=\"attachment_32654\" aria-describedby=\"caption-attachment-32654\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-32654\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Dau-hieu-nhan-biet-cua-cuoc-tan-cong-password-spraying.jpg\" alt=\"D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng password spraying\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Dau-hieu-nhan-biet-cua-cuoc-tan-cong-password-spraying.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Dau-hieu-nhan-biet-cua-cuoc-tan-cong-password-spraying-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Dau-hieu-nhan-biet-cua-cuoc-tan-cong-password-spraying-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-32654\" class=\"wp-caption-text\">D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng password spraying<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Dang-nhap-tu-cac-tai-khoan-khong-hop-le\"><\/span>\u0110\u0103ng nh\u1eadp t\u1eeb c\u00e1c t\u00e0i kho\u1ea3n kh\u00f4ng h\u1ee3p l\u1ec7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vi\u1ec7c c\u00f3 nhi\u1ec1u y\u00eau c\u1ea7u \u0111\u0103ng nh\u1eadp \u0111\u1ebfn t\u1eeb c\u00e1c t\u00e0i kho\u1ea3n c\u0169, t\u00e0i kho\u1ea3n kh\u00f4ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c gi\u1ea3 m\u1ea1o c\u0169ng l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y c\u00f3 t\u1ea5n c\u00f4ng password spraying.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Luu-luong-xac-thuc-bat-thuong-duoc-ghi-nhan-trong-nhat-ky-he-thong\"><\/span>L\u01b0u l\u01b0\u1ee3ng x\u00e1c th\u1ef1c b\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi nh\u1eadn trong nh\u1eadt k\u00fd h\u1ec7 th\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>S\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c y\u00eau c\u1ea7u \u0111\u0103ng nh\u1eadp t\u1eeb c\u00f9ng m\u1ed9t \u0111\u1ecba ch\u1ec9 IP ho\u1eb7c c\u00e1c \u0111\u1ecba ch\u1ec9 IP \u0111\u01b0\u1ee3c ghi nh\u1eadn trong nh\u1eadt k\u00fd h\u1ec7 th\u1ed1ng li\u00ean t\u1ee5c thay \u0111\u1ed5i v\u1edbi m\u1eadt kh\u1ea9u \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m gi\u1ed1ng nhau c\u0169ng l\u00e0 c\u1ea3nh b\u00e1o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thong-bao-trang-thai-loi-nhat-quan\"><\/span>Th\u00f4ng b\u00e1o tr\u1ea1ng th\u00e1i l\u1ed7i nh\u1ea5t qu\u00e1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c ph\u1ea3n h\u1ed3i l\u1ed7i &#8220;Invalid password&#8221; ho\u1eb7c m\u00e3 tr\u1ea1ng th\u00e1i HTTP 401 Unauthorized \u0111\u01b0\u1ee3c g\u1eedi nhi\u1ec1u l\u1ea7n li\u00ean t\u1ee5c v\u1edbi c\u00e1c t\u00e0i kho\u1ea3n kh\u00e1c nhau cho th\u1ea5y c\u00f3 qu\u00e1 tr\u00ecnh d\u00f2 m\u1eadt kh\u1ea9u t\u1eadp trung.<\/p>\n<p>Nh\u1eefng d\u1ea5u hi\u1ec7u n\u00e0y gi\u00fap c\u00e1c qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng nhanh ch\u00f3ng nh\u1eadn di\u1ec7n v\u00e0 ph\u1ea3n \u1ee9ng k\u1ecbp th\u1eddi tr\u01b0\u1edbc c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng password spraying nh\u1eb1m b\u1ea3o v\u1ec7 t\u00e0i kho\u1ea3n v\u00e0 h\u1ec7 th\u1ed1ng kh\u1ecfi b\u1ecb chi\u1ebfm quy\u1ec1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Vi-du-ve-cac-cuoc-tan-cong-Password-Spraying\"><\/span>V\u00ed d\u1ee5 v\u1ec1 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Password Spraying<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng c\u00f3 m\u1eadt kh\u1ea9u y\u1ebfu v\u00e0 c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c k\u00e9m th\u01b0\u1eddng d\u1ec5 tr\u1edf th\u00e0nh n\u1ea1n nh\u00e2n c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng password spraying. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u1ec1 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng d\u1ea1ng n\u00e0y, bu\u1ed9c nhi\u1ec1u t\u1ed5 ch\u1ee9c ph\u1ea3i t\u0103ng c\u01b0\u1eddng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Microsoft-Exchange-Online-Thang-102022\"><\/span>Microsoft Exchange Online (Th\u00e1ng 10\/2022)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u00e0o th\u00e1ng 10 n\u0103m 2022, Microsoft c\u1ea3nh b\u00e1o r\u1eb1ng c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng password spraying \u0111ang nh\u1eafm v\u00e0o ng\u01b0\u1eddi d\u00f9ng Exchange Online s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c c\u01a1 b\u1ea3n (Basic Authentication).<\/p>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y \u0111\u00e3 khi\u1ebfn Microsoft quy\u1ebft \u0111\u1ecbnh lo\u1ea1i b\u1ecf Basic Auth cho Exchange Online, sau \u0111\u00f3 nh\u00f3m Exchange c\u1ee7a Microsoft l\u00e0m r\u00f5 r\u1eb1ng vi\u1ec7c v\u00f4 hi\u1ec7u h\u00f3a Basic Authentication trong Exchange Online ch\u1ec9 nh\u1eb1m m\u1ee5c \u0111\u00edch b\u1ea3o v\u1ec7 t\u00e0i kho\u1ea3n v\u00e0 d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng tr\u01b0\u1edbc nguy c\u01a1 ng\u00e0y c\u00e0ng t\u0103ng t\u1eeb c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng password spraying.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Citrix-2018%E2%80%932019\"><\/span>Citrix (2018\u20132019)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong kho\u1ea3ng th\u1eddi gian t\u1eeb ng\u00e0y 13 th\u00e1ng 10 n\u0103m 2018 \u0111\u1ebfn ng\u00e0y 8 th\u00e1ng 3 n\u0103m 2019, m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng password spraying \u0111\u00e3 th\u00e0nh c\u00f4ng trong vi\u1ec7c x\u00e2m nh\u1eadp tr\u00e1i ph\u00e9p v\u00e0o m\u1ea1ng n\u1ed9i b\u1ed9 c\u1ee7a Citrix.<\/p>\n<p>T\u1ed5 ch\u1ee9c n\u00e0y x\u00e1c nh\u1eadn r\u1eb1ng c\u00e1c t\u00e0i li\u1ec7u v\u00e0 t\u1ec7p tin kinh doanh \u0111\u00e3 b\u1ecb \u0111\u00e1nh c\u1eafp. Theo Citrix, m\u1ed9t s\u1ed1 \u1ed5 \u0111\u0129a \u1ea3o c\u00e1 nh\u00e2n v\u00e0 t\u00e0i kho\u1ea3n email doanh nghi\u1ec7p c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 b\u1ecb x\u00e2m ph\u1ea1m. Ngo\u00e0i ra, k\u1ebb t\u1ea5n c\u00f4ng c\u0169ng \u0111\u00e3 nh\u1eafm m\u1ee5c ti\u00eau v\u00e0o nhi\u1ec1u \u1ee9ng d\u1ee5ng n\u1ed9i b\u1ed9 kh\u00e1c nhau.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Microsoft-Office-365-2019\"><\/span>Microsoft Office 365 (2019)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u0103m 2019, m\u1ed9t nh\u00f3m tin t\u1eb7c \u0111\u00e3 th\u1ef1c hi\u1ec7n cu\u1ed9c t\u1ea5n c\u00f4ng password spraying nh\u1eafm v\u00e0o c\u00e1c t\u00e0i kho\u1ea3n Microsoft Office 365. Ch\u00fang \u0111\u00e3 truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o 1.800 t\u00e0i kho\u1ea3n email kh\u00e1ch h\u00e0ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng danh s\u00e1ch m\u1eadt kh\u1ea9u thu \u0111\u01b0\u1ee3c t\u1eeb nh\u1eefng v\u1ee5 r\u00f2 r\u1ec9 d\u1eef li\u1ec7u tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Phan-biet-Password-Spraying-va-Brute-Force\"><\/span>Ph\u00e2n bi\u1ec7t Password Spraying v\u00e0 Brute Force<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 Password Spraying, h\u00e3y so s\u00e1nh n\u00f3 v\u1edbi ng\u01b0\u1eddi &#8220;anh em&#8221; ph\u1ed5 bi\u1ebfn h\u01a1n l\u00e0 t\u1ea5n c\u00f4ng Brute Force qua b\u1ea3ng sau.<\/p>\n<p>B\u1ea3ng so s\u00e1nh gi\u1eefa Password Spraying v\u00e0 Brute Force:<\/p>\n<div style=\"width: 100%; overflow-x: auto;\">\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial,Helvetica,sans-serif; font-size: 16px; border: 1px solid #0D6EFD;\">\n<thead>\n<tr>\n<th style=\"background: #0D6EFD; color: #ffffff; padding: 12px 10px; text-align: left; border: 1px solid #0D6EFD; width: 24%;\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"background: #0D6EFD; color: #ffffff; padding: 12px 10px; text-align: left; border: 1px solid #0D6EFD; width: 38%;\">T\u1ea5n c\u00f4ng Password Spraying<\/th>\n<th style=\"background: #0D6EFD; color: #ffffff; padding: 12px 10px; text-align: left; border: 1px solid #0D6EFD; width: 38%;\">T\u1ea5n c\u00f4ng Brute Force<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"background: #E7F1FF; font-weight: 600; padding: 10px; border: 1px solid #0D6EFD;\">M\u1ee5c ti\u00eau<\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\">D\u00f2 t\u00ecm m\u1ed9t m\u1eadt kh\u1ea9u y\u1ebfu tr\u00ean nhi\u1ec1u t\u00e0i kho\u1ea3n.<\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\">D\u00f2 t\u00ecm m\u1ed9t m\u1eadt kh\u1ea9u duy nh\u1ea5t cho m\u1ed9t t\u00e0i kho\u1ea3n c\u1ee5 th\u1ec3.<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #F5F9FF; font-weight: 600; padding: 10px; border: 1px solid #0D6EFD;\">C\u00e1ch th\u1ee9c<\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\">Th\u1eed m\u1ed9t m\u1eadt kh\u1ea9u tr\u00ean m\u1ed9t danh s\u00e1ch ng\u01b0\u1eddi d\u00f9ng l\u1edbn.<\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\">Th\u1eed nhi\u1ec1u m\u1eadt kh\u1ea9u tr\u00ean m\u1ed9t t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng duy nh\u1ea5t.<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #E7F1FF; font-weight: 600; padding: 10px; border: 1px solid #0D6EFD;\">T\u1ed1c \u0111\u1ed9<\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\">Ch\u1eadm, \u00e2m th\u1ea7m.<\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\">Nhanh, th\u01b0\u1eddng g\u00e2y ra nhi\u1ec1u l\u1ea7n \u0111\u0103ng nh\u1eadp sai li\u00ean t\u1ee5c.<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #F5F9FF; font-weight: 600; padding: 10px; border: 1px solid #0D6EFD;\">Kh\u1ea3 n\u0103ng b\u1ecb ph\u00e1t hi\u1ec7n<\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\">Kh\u00f3 b\u1ecb ph\u00e1t hi\u1ec7n v\u00ec kh\u00f4ng k\u00edch ho\u1ea1t c\u01a1 ch\u1ebf kh\u00f3a t\u00e0i kho\u1ea3n.<\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\">D\u1ec5 b\u1ecb ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n b\u1edfi c\u01a1 ch\u1ebf kh\u00f3a t\u00e0i kho\u1ea3n.<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #E7F1FF; font-weight: 600; padding: 10px; border: 1px solid #0D6EFD;\">M\u1ee5c ti\u00eau ch\u00ednh<\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\">H\u1ec7 th\u1ed1ng c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng v\u00e0 ch\u00ednh s\u00e1ch m\u1eadt kh\u1ea9u y\u1ebfu.<\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\">C\u00e1c t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb ho\u1eb7c t\u00e0i kho\u1ea3n c\u00f3 gi\u00e1 tr\u1ecb cao.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Cach-phong-chong-tan-cong-password-spraying\"><\/span>C\u00e1ch ph\u00f2ng ch\u1ed1ng t\u1ea5n c\u00f4ng password spraying<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ph\u00f2ng ch\u1ed1ng t\u1ea5n c\u00f4ng Password Spraying kh\u00f4ng h\u1ec1 kh\u00f3 n\u1ebfu b\u1ea1n \u00e1p d\u1ee5ng \u0111\u00fang c\u00e1c gi\u1ea3i ph\u00e1p. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng bi\u1ec7n ph\u00e1p quan tr\u1ecdng m\u00e0 m\u1ecdi t\u1ed5 ch\u1ee9c c\u1ea7n tri\u1ec3n khai:<\/p>\n<ul>\n<li><strong>Y\u00eau c\u1ea7u m\u1eadt kh\u1ea9u m\u1ea1nh v\u00e0 ph\u1ee9c t\u1ea1p<\/strong>: C\u1ea7n c\u00f3 ch\u00ednh s\u00e1ch y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u d\u00e0i, ph\u1ee9c t\u1ea1p, k\u1ebft h\u1ee3p ch\u1eef c\u00e1i vi\u1ebft hoa, vi\u1ebft th\u01b0\u1eddng, s\u1ed1 v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t.<\/li>\n<li><strong>K\u00edch ho\u1ea1t x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA)<\/strong>: \u0110\u00e2y l\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng th\u1ee7 hi\u1ec7u qu\u1ea3 nh\u1ea5t. Ngay c\u1ea3 khi tin t\u1eb7c c\u00f3 \u0111\u01b0\u1ee3c m\u1eadt kh\u1ea9u, ch\u00fang v\u1eabn kh\u00f4ng th\u1ec3 \u0111\u0103ng nh\u1eadp n\u1ebfu kh\u00f4ng c\u00f3 y\u1ebfu t\u1ed1 x\u00e1c th\u1ef1c th\u1ee9 hai (v\u00ed d\u1ee5: m\u00e3 OTP t\u1eeb \u0111i\u1ec7n tho\u1ea1i, sinh tr\u1eafc h\u1ecdc).<\/li>\n<li><strong>Gi\u1edbi h\u1ea1n s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp sai<\/strong>: C\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng \u0111\u1ec3 kh\u00f3a t\u00e0i kho\u1ea3n t\u1ea1m th\u1eddi sau m\u1ed9t s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp sai nh\u1ea5t \u0111\u1ecbnh (v\u00ed d\u1ee5: 5 l\u1ea7n). M\u1eb7c d\u00f9 tin t\u1eb7c c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9, nh\u01b0ng \u0111\u00e2y v\u1eabn l\u00e0 m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 c\u01a1 b\u1ea3n.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t v\u00e0 ph\u00e2n t\u00edch log \u0111\u0103ng nh\u1eadp<\/strong>: Thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t an ninh (SIEM &#8211; Security Information and Event Management) \u0111\u1ec3 theo d\u00f5i v\u00e0 ph\u00e2n t\u00edch c\u00e1c log \u0111\u0103ng nh\u1eadp. B\u1ea5t k\u1ef3 s\u1ef1 gia t\u0103ng b\u1ea5t th\u01b0\u1eddng n\u00e0o v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u \u0111\u0103ng nh\u1eadp t\u1eeb m\u1ed9t \u0111\u1ecba ch\u1ec9 IP ho\u1eb7c m\u1ed9t d\u1ea3i IP \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c c\u1ea3nh b\u00e1o.<\/li>\n<li><strong>N\u00e2ng cao nh\u1eadn th\u1ee9c cho ng\u01b0\u1eddi d\u00f9ng<\/strong>: Gi\u00e1o d\u1ee5c nh\u00e2n vi\u00ean v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh, nh\u1eadn bi\u1ebft c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o (phishing) v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng.<\/li>\n<li><strong>Tri\u1ec3n khai x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (2FA)<\/strong>: B\u1eadt b\u01b0\u1edbc x\u00e1c th\u1ef1c th\u1ee9 hai gi\u00fap t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng k\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u b\u1ecb l\u1ed9 \u0111\u1ec3 truy c\u1eadp v\u00e0o t\u00e0i kho\u1ea3n.<\/li>\n<li><strong>S\u1eed d\u1ee5ng CAPTCHA ho\u1eb7c c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong>: Gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng th\u1eed m\u1eadt kh\u1ea9u t\u1eeb ph\u00eda t\u1ea5n c\u00f4ng.<\/li>\n<li><strong>X\u00f3a ho\u1eb7c qu\u1ea3n l\u00fd ch\u1eb7t ch\u1ebd c\u00e1c t\u00e0i kho\u1ea3n kh\u00f4ng s\u1eed d\u1ee5ng ho\u1eb7c c\u00f3 quy\u1ec1n cao kh\u00f4ng c\u1ea7n thi\u1ebft<\/strong>: Gi\u00fap gi\u1ea3m b\u1ec1 m\u1eb7t t\u1ea5n c\u00f4ng.<\/li>\n<li><strong>\u00c1p d\u1ee5ng ch\u00ednh s\u00e1ch \u201cZero Trust\u201d<\/strong>: Ch\u1ec9 cho ph\u00e9p truy c\u1eadp v\u1edbi quy\u1ec1n t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft, th\u01b0\u1eddng xuy\u00ean \u0111\u00e1nh gi\u00e1 v\u00e0 \u0111i\u1ec1u ch\u1ec9nh quy\u1ec1n h\u1ea1n.<\/li>\n<li><strong>S\u1eed d\u1ee5ng sinh tr\u1eafc h\u1ecdc thay th\u1ebf m\u1eadt kh\u1ea9u khi c\u00f3 th\u1ec3<\/strong>: Gi\u00fap h\u1ea1n ch\u1ebf vi\u1ec7c l\u1ed9 m\u1eadt kh\u1ea9u v\u00e0 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt \u0111\u0103ng nh\u1eadp.<\/li>\n<li><strong>\u0110\u00e0o t\u1ea1o ng\u01b0\u1eddi d\u00f9ng n\u00e2ng cao nh\u1eadn th\u1ee9c v\u1ec1 b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u<\/strong>: Khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh v\u00e0 kh\u00f4ng chia s\u1ebb m\u1eadt kh\u1ea9u.<\/li>\n<\/ul>\n<p>Nh\u1eefng bi\u1ec7n ph\u00e1p n\u00e0y khi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed3ng b\u1ed9 s\u1ebd gi\u00fap ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng password spraying, b\u1ea3o v\u1ec7 t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng tr\u01b0\u1edbc c\u00e1c nguy c\u01a1 x\u00e2m nh\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<figure id=\"attachment_32655\" aria-describedby=\"caption-attachment-32655\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-32655\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Cach-phong-chong-tan-cong-password-spraying.jpg\" alt=\"C\u00e1ch ph\u00f2ng ch\u1ed1ng t\u1ea5n c\u00f4ng password spraying\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Cach-phong-chong-tan-cong-password-spraying.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Cach-phong-chong-tan-cong-password-spraying-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/08\/Cach-phong-chong-tan-cong-password-spraying-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-32655\" class=\"wp-caption-text\">C\u00e1ch ph\u00f2ng ch\u1ed1ng t\u1ea5n c\u00f4ng password spraying<\/figcaption><\/figure>\n<div>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"Cau-hoi-thuong-gap-ve-tan-cong-Password-Spraying\"><\/span><strong>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 t\u1ea5n c\u00f4ng Password Spraying<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Tan-cong-Password-Spraying-co-hop-phap-khong\"><\/span><strong>T\u1ea5n c\u00f4ng Password Spraying c\u00f3 h\u1ee3p ph\u00e1p kh\u00f4ng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00f4ng. T\u1ea5n c\u00f4ng Password Spraying l\u00e0 m\u1ed9t h\u00e0nh vi ph\u1ea1m ph\u00e1p, c\u00f3 th\u1ec3 b\u1ecb truy t\u1ed1 h\u00ecnh s\u1ef1. Ch\u1ec9 c\u00f3 c\u00e1c chuy\u00ean gia ki\u1ec3m th\u1eed x\u00e2m nh\u1eadp (Penetration Tester) \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n t\u1ea5n c\u00f4ng n\u00e0y trong m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xac-thuc-da-yeu-to-MFA-co-thuc-su-hieu-qua-khong\"><\/span><strong>X\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA) c\u00f3 th\u1ef1c s\u1ef1 hi\u1ec7u qu\u1ea3 kh\u00f4ng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3. MFA l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p ph\u00f2ng ch\u1ed1ng t\u1ea5n c\u00f4ng Password Spraying hi\u1ec7u qu\u1ea3 nh\u1ea5t. N\u00f3 \u0111\u00f2i h\u1ecfi tin t\u1eb7c ph\u1ea3i c\u00f3 y\u1ebfu t\u1ed1 x\u00e1c th\u1ef1c th\u1ee9 hai (v\u00ed d\u1ee5: \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n) \u0111\u1ec3 truy c\u1eadp, ngay c\u1ea3 khi ch\u00fang \u0111\u00e3 c\u00f3 m\u1eadt kh\u1ea9u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tan-cong-Password-Spraying-co-phai-la-moi-de-doa-lon-khong\"><\/span><strong>T\u1ea5n c\u00f4ng Password Spraying c\u00f3 ph\u1ea3i l\u00e0 m\u1ed1i \u0111e d\u1ecda l\u1edbn kh\u00f4ng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Theo m\u1ed9t b\u00e1o c\u00e1o t\u1eeb Microsoft, t\u1ea5n c\u00f4ng Password Spraying l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay, chi\u1ebfm \u0111\u1ebfn 30% c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y.<\/p>\n<p>B\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u l\u00e0 m\u1ed9t cu\u1ed9c chi\u1ebfn kh\u00f4ng ng\u1eebng ngh\u1ec9. Vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng nh\u01b0 Password Spraying ch\u00ednh l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n tr\u01b0\u1edbc nh\u1eefng r\u1ee7i ro an ninh m\u1ea1ng. B\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c tri\u1ec3n khai MFA v\u00e0 ch\u00ednh s\u00e1ch m\u1eadt kh\u1ea9u m\u1ea1nh ngay h\u00f4m nay.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea5n c\u00f4ng r\u1ea3i m\u1eadt kh\u1ea9u (Password Spraying) l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng m\u1ea1ng trong \u0111\u00f3 tin t\u1eb7c s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 \u00edt m\u1eadt kh\u1ea9u ph\u1ed5 bi\u1ebfn \u0111\u1ec3 th\u1eed v\u1edbi m\u1ed9t danh s\u00e1ch l\u1edbn c\u00e1c t\u00ean ng\u01b0\u1eddi d\u00f9ng. D\u01b0\u1edbi \u0111\u00e2y, InterData s\u1ebd \u0111i s\u00e2u v\u00e0o t\u00ecm hi\u1ec3u t\u1ea5n c\u00f4ng Password Spraying l\u00e0 g\u00ec, c\u00e1ch th\u1ee9c<\/p>\n","protected":false},"author":11,"featured_media":32656,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[83],"tags":[],"class_list":["post-32649","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bao-mat-an-ninh-mang"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/32649","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\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=32649"}],"version-history":[{"count":5,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/32649\/revisions"}],"predecessor-version":[{"id":32707,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/32649\/revisions\/32707"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/32656"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=32649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=32649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=32649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}