{"id":24937,"date":"2025-10-02T13:56:47","date_gmt":"2025-10-02T06:56:47","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=24937"},"modified":"2025-10-14T13:06:04","modified_gmt":"2025-10-14T06:06:04","slug":"ransomware-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/ransomware-la-gi\/","title":{"rendered":"Ransomware l\u00e0 g\u00ec? C\u01a1 ch\u1ebf t\u1ea5n c\u00f4ng, D\u1ea5u hi\u1ec7u &#038; 7 b\u01b0\u1edbc ph\u00f2ng ch\u1ed1ng"},"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\/ransomware-la-gi\/#Ransomware-la-gi\" >Ransomware 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\/ransomware-la-gi\/#Dau-hieu-cua-ransomware-la-gi\" >D\u1ea5u hi\u1ec7u c\u1ee7a ransomware 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-3\" href=\"https:\/\/interdata.vn\/blog\/ransomware-la-gi\/#Ransomware-tan-cong-nhu-the-nao-Co-che-lay-lan-va-Ma-hoa\" >Ransomware t\u1ea5n c\u00f4ng nh\u01b0 th\u1ebf n\u00e0o? (C\u01a1 ch\u1ebf l\u00e2y lan v\u00e0 M\u00e3 h\u00f3a)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/ransomware-la-gi\/#Cac-phuong-thuc-lay-lan-pho-bien-nhat\" >C\u00e1c ph\u01b0\u01a1ng th\u1ee9c l\u00e2y lan ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/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\/ransomware-la-gi\/#Co-che-ma-hoa-Encryption-va-Doi-tien-chuoc\" >C\u01a1 ch\u1ebf m\u00e3 h\u00f3a (Encryption) v\u00e0 \u0110\u00f2i ti\u1ec1n chu\u1ed9c<\/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\/ransomware-la-gi\/#Cac-loai-ransomware-thuong-gap\" >C\u00e1c lo\u1ea1i ransomware th\u01b0\u1eddng g\u1eb7p<\/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\/ransomware-la-gi\/#Leakware-hay-Doxware\" >Leakware hay Doxware<\/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\/ransomware-la-gi\/#Ransomware-tren-di-dong\" >Ransomware tr\u00ean di \u0111\u1ed9ng<\/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\/ransomware-la-gi\/#Wipers\" >Wipers<\/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\/ransomware-la-gi\/#Scareware\" >Scareware<\/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\/ransomware-la-gi\/#Virus-va-Ransomware-Giong-hay-khac\" >Virus v\u00e0 Ransomware: Gi\u1ed1ng hay kh\u00e1c?<\/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\/ransomware-la-gi\/#Tac-hai-cua-ransomware-doi-voi-ca-nhan-va-doanh-nghiep\" >T\u00e1c h\u1ea1i c\u1ee7a ransomware \u0111\u1ed1i v\u1edbi c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p<\/a><\/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\/ransomware-la-gi\/#7-Buoc-phong-chong-Ransomware-hieu-qua-cho-Doanh-nghiep\" >7 B\u01b0\u1edbc ph\u00f2ng ch\u1ed1ng Ransomware hi\u1ec7u qu\u1ea3 cho Doanh nghi\u1ec7p<\/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\/ransomware-la-gi\/#Cap-nhat-thuong-xuyen\" >C\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean<\/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\/ransomware-la-gi\/#Xac-thuc-phan-mem\" >X\u00e1c th\u1ef1c ph\u1ea7n m\u1ec1m<\/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\/ransomware-la-gi\/#Cai-dat-phan-mem-bao-ve-chong-virus\" >C\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m b\u1ea3o v\u1ec7 ch\u1ed1ng virus<\/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\/ransomware-la-gi\/#Them-phan-mem-vao-danh-sach-trang\" >Th\u00eam ph\u1ea7n m\u1ec1m v\u00e0o danh s\u00e1ch tr\u1eafng<\/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\/ransomware-la-gi\/#Sao-luu-du-lieu\" >Sao l\u01b0u d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/ransomware-la-gi\/#Dao-tao-nhan-vien\" >\u0110\u00e0o t\u1ea1o nh\u00e2n vi\u00ean<\/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\/ransomware-la-gi\/#Su-dung-giai-phap-bao-mat-toan-dien\" >S\u1eed d\u1ee5ng gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt to\u00e0n di\u1ec7n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/ransomware-la-gi\/#Nen-lam-gi-khi-bi-tan-cong-Ransomware-Huong-dan-xu-ly\" >N\u00ean l\u00e0m g\u00ec khi b\u1ecb t\u1ea5n c\u00f4ng Ransomware? (H\u01b0\u1edbng d\u1eabn x\u1eed l\u00fd)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/ransomware-la-gi\/#Buoc-1-Ngat-ket-noi-va-co-lap-he-thong-ngay-lap-tuc\" >B\u01b0\u1edbc 1: Ng\u1eaft k\u1ebft n\u1ed1i v\u00e0 c\u00f4 l\u1eadp h\u1ec7 th\u1ed1ng ngay l\u1eadp t\u1ee9c<\/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\/ransomware-la-gi\/#Buoc-2-Danh-gia-thiet-hai-va-khong-tra-tien-chuoc\" >B\u01b0\u1edbc 2: \u0110\u00e1nh gi\u00e1 thi\u1ec7t h\u1ea1i v\u00e0 kh\u00f4ng tr\u1ea3 ti\u1ec1n chu\u1ed9c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/ransomware-la-gi\/#Buoc-3-Phuc-hoi-du-lieu-tu-ban-Backup-an-toan\" >B\u01b0\u1edbc 3: Ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u t\u1eeb b\u1ea3n Backup an to\u00e0n<\/a><\/li><\/ul><\/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\/ransomware-la-gi\/#Cac-cong-cu-ho-tro-giai-ma-ransomware-mien-phi\" >C\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 gi\u1ea3i m\u00e3 ransomware mi\u1ec5n ph\u00ed<\/a><\/li><\/ul><\/nav><\/div>\n<p>Ransomware \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt h\u00e0ng \u0111\u1ea7u \u0111\u1ed1i v\u1edbi m\u1ecdi doanh nghi\u1ec7p, t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn. M\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng Ransomware th\u00e0nh c\u00f4ng kh\u00f4ng ch\u1ec9 g\u00e2y gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng m\u00e0 c\u00f2n d\u1eabn \u0111\u1ebfn thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh v\u00e0 r\u00f2 r\u1ec9 d\u1eef li\u1ec7u nghi\u00eam tr\u1ecdng. V\u1eady <strong>Ransomware l\u00e0 g\u00ec?<\/strong> L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ph\u00f2ng tr\u00e1nh cu\u1ed9c t\u1ea5n c\u00f4ng Ransomware? Trong b\u00e0i vi\u1ebft n\u00e0y, c\u00f9ng InterData t\u00ecm hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ransomware, c\u00e1c lo\u1ea1i ransomware ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f2ng ch\u1ed1ng ransomware hi\u1ec7u qu\u1ea3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ransomware-la-gi\"><\/span>Ransomware l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Ransomware<\/strong> l\u00e0 m\u1ed9t lo\u1ea1i m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n (Malware) chuy\u00ean bi\u1ec7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 m\u00e3 h\u00f3a (Encrypt) d\u1eef li\u1ec7u tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee7a n\u1ea1n nh\u00e2n. Sau khi m\u00e3 h\u00f3a th\u00e0nh c\u00f4ng, k\u1ebb t\u1ea5n c\u00f4ng s\u1ebd y\u00eau c\u1ea7u m\u1ed9t kho\u1ea3n ti\u1ec1n chu\u1ed9c (Ransom), th\u01b0\u1eddng b\u1eb1ng ti\u1ec1n m\u00e3 h\u00f3a (Bitcoin), \u0111\u1ec3 \u0111\u1ed5i l\u1ea5y kh\u00f3a gi\u1ea3i m\u00e3.<\/p>\n<p>M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a Ransomware l\u00e0 <strong>g\u00e2y ra s\u1ef1 gi\u00e1n \u0111o\u1ea1n t\u1ed1i \u0111a<\/strong>, bu\u1ed9c n\u1ea1n nh\u00e2n ph\u1ea3i <strong>tr\u1ea3 ti\u1ec1n nhanh ch\u00f3ng<\/strong>. \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt m\u00e0 l\u00e0 m\u1ed9t cu\u1ed9c kh\u1ee7ng ho\u1ea3ng kinh doanh, \u0111e d\u1ecda tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 s\u1ed1ng c\u00f2n c\u1ee7a d\u1eef li\u1ec7u v\u00e0 ho\u1ea1t \u0111\u1ed9ng doanh nghi\u1ec7p.<\/p>\n<figure id=\"attachment_24938\" aria-describedby=\"caption-attachment-24938\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24938\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Ransomware-la-gi.jpg\" alt=\"Ransomware l\u00e0 g\u00ec\" width=\"800\" height=\"450\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Ransomware-la-gi.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Ransomware-la-gi-300x169.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Ransomware-la-gi-768x432.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Ransomware-la-gi-750x422.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-24938\" class=\"wp-caption-text\">Ransomware l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Dau-hieu-cua-ransomware-la-gi\"><\/span>D\u1ea5u hi\u1ec7u c\u1ee7a ransomware l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c ph\u00e1t hi\u1ec7n s\u1edbm l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i do t\u1ea5n c\u00f4ng <strong>Ransomware<\/strong> g\u00e2y ra. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c d\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn cho th\u1ea5y h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb ho\u1eb7c \u0111ang b\u1ecb t\u1ea5n c\u00f4ng <strong>Ransomware<\/strong>:<\/p>\n<ol>\n<li><strong>T\u1ec7p tin b\u1ecb \u0111\u1ed5i \u0111u\u00f4i l\u1ea1:<\/strong> \u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng nh\u1ea5t. C\u00e1c t\u1ec7p tin c\u1ee7a b\u1ea1n (v\u00ed d\u1ee5: .doc, .jpg) s\u1ebd b\u1ecb \u0111\u1ed5i th\u00e0nh c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng kh\u00f4ng quen thu\u1ed9c nh\u01b0 <code>.locked<\/code>, <code>.encr<\/code>, <code>.vvv<\/code>, k\u00e8m theo m\u1ed9t ghi ch\u00fa \u0111\u00f2i ti\u1ec1n chu\u1ed9c (th\u01b0\u1eddng l\u00e0 t\u1ec7p <code>.txt<\/code> ho\u1eb7c <code>.html<\/code>).<\/li>\n<li><strong>Xu\u1ea5t hi\u1ec7n th\u00f4ng b\u00e1o \u0111\u00f2i ti\u1ec1n chu\u1ed9c:<\/strong> Ngay sau khi m\u00e3 h\u00f3a ho\u00e0n t\u1ea5t, m\u1ed9t c\u1eeda s\u1ed5 ho\u1eb7c m\u1ed9t h\u00ecnh n\u1ec1n desktop s\u1ebd xu\u1ea5t hi\u1ec7n, gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 vi\u1ec7c d\u1eef li\u1ec7u \u0111\u00e3 b\u1ecb kh\u00f3a, s\u1ed1 ti\u1ec1n chu\u1ed9c v\u00e0 th\u1eddi h\u1ea1n thanh to\u00e1n.<\/li>\n<li><strong>Hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng gi\u1ea3m \u0111\u1ed9t ng\u1ed9t:<\/strong> Qu\u00e1 tr\u00ecnh m\u00e3 h\u00f3a t\u1ec7p tin l\u00e0 m\u1ed9t t\u00e1c v\u1ee5 n\u1eb7ng, khi\u1ebfn <a href=\"https:\/\/interdata.vn\/blog\/cpu-server\/\">CPU<\/a> v\u00e0 \u1ed5 \u0111\u0129a (<a href=\"https:\/\/interdata.vn\/blog\/disk-i-o-la-gi\/\">Disk I\/O<\/a>) ho\u1ea1t \u0111\u1ed9ng h\u1ebft c\u00f4ng su\u1ea5t. M\u00e1y t\u00ednh s\u1ebd tr\u1edf n\u00ean ch\u1eadm ch\u1ea1p ho\u1eb7c treo c\u1ee9ng m\u1ed9t c\u00e1ch b\u1ea5t th\u01b0\u1eddng.<\/li>\n<li><strong>C\u00e1c t\u1ec7p tin tr\u00ean m\u1ea1ng chia s\u1ebb b\u1ecb kh\u00f3a:<\/strong> N\u1ebfu <strong>Ransomware<\/strong> \u0111\u00e3 l\u00e2y lan qua m\u1ea1ng n\u1ed9i b\u1ed9, b\u1ea1n s\u1ebd th\u1ea5y c\u00e1c t\u1ec7p tr\u00ean c\u00e1c \u1ed5 \u0111\u0129a d\u00f9ng chung (Shared Drives) c\u0169ng b\u1ecb m\u00e3 h\u00f3a v\u00e0 kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Ransomware-tan-cong-nhu-the-nao-Co-che-lay-lan-va-Ma-hoa\"><\/span>Ransomware t\u1ea5n c\u00f4ng nh\u01b0 th\u1ebf n\u00e0o? (C\u01a1 ch\u1ebf l\u00e2y lan v\u00e0 M\u00e3 h\u00f3a)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 <strong>ph\u00f2ng ch\u1ed1ng Ransomware<\/strong> hi\u1ec7u qu\u1ea3, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 <strong>Ransomware t\u1ea5n c\u00f4ng nh\u01b0 th\u1ebf n\u00e0o<\/strong> t\u1eeb \u0111i\u1ec3m y\u1ebfu c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cac-phuong-thuc-lay-lan-pho-bien-nhat\"><\/span>C\u00e1c ph\u01b0\u01a1ng th\u1ee9c l\u00e2y lan ph\u1ed5 bi\u1ebfn nh\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ransomware<\/strong> th\u01b0\u1eddng khai th\u00e1c y\u1ebfu t\u1ed1 con ng\u01b0\u1eddi ho\u1eb7c l\u1ed7 h\u1ed5ng ph\u1ea7n m\u1ec1m \u0111\u1ec3 x\u00e2m nh\u1eadp:<\/p>\n<ul>\n<li><strong>Email l\u1eeba \u0111\u1ea3o (Phishing):<\/strong> \u0110\u00e2y l\u00e0 con \u0111\u01b0\u1eddng ph\u1ed5 bi\u1ebfn nh\u1ea5t. K\u1ebb t\u1ea5n c\u00f4ng g\u1eedi email gi\u1ea3 m\u1ea1o (v\u00ed d\u1ee5: h\u00f3a \u0111\u01a1n, th\u00f4ng b\u00e1o ng\u00e2n h\u00e0ng) ch\u1ee9a t\u1ec7p \u0111\u00ednh k\u00e8m \u0111\u1ed9c h\u1ea1i (nh\u01b0 t\u1ec7p Word, Excel ch\u1ee9a Macro) ho\u1eb7c li\u00ean k\u1ebft d\u1eabn \u0111\u1ebfn <a href=\"https:\/\/interdata.vn\/blog\/page-la-gi\/\">trang web<\/a> \u0111\u1ed9c h\u1ea1i.<\/li>\n<li><strong>L\u1ed7 h\u1ed5ng ph\u1ea7n m\u1ec1m (Vulnerability):<\/strong> <strong>Ransomware<\/strong> khai th\u00e1c c\u00e1c l\u1ed7i b\u1ea3o m\u1eadt ch\u01b0a \u0111\u01b0\u1ee3c v\u00e1 (Patch) tr\u00ean <a href=\"https:\/\/interdata.vn\/blog\/he-dieu-hanh\/\">h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/a>, tr\u00ecnh duy\u1ec7t ho\u1eb7c c\u00e1c ph\u1ea7n m\u1ec1m \u1ee9ng d\u1ee5ng \u0111\u1ec3 x\u00e2m nh\u1eadp m\u00e0 kh\u00f4ng c\u1ea7n t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li><strong>K\u1ebft n\u1ed1i Remote Desktop (RDP) y\u1ebfu:<\/strong> C\u00e1c m\u00e1y ch\u1ee7 c\u00f3 c\u1ed5ng RDP m\u1edf v\u1edbi m\u1eadt kh\u1ea9u y\u1ebfu ho\u1eb7c d\u1ec5 \u0111o\u00e1n l\u00e0 m\u1ee5c ti\u00eau h\u00e0ng \u0111\u1ea7u c\u1ee7a <strong>Ransomware<\/strong> \u0111\u1ec3 truy c\u1eadp v\u00e0 l\u00e2y lan trong m\u1ea1ng n\u1ed9i b\u1ed9.<\/li>\n<li><strong>C\u00e1c trang web \u0111\u1ed9c h\u1ea1i v\u00e0 T\u1ea3i xu\u1ed1ng t\u1ef1 \u0111\u1ed9ng (Drive-by Downloads):<\/strong> Truy c\u1eadp v\u00e0o c\u00e1c trang web kh\u00f4ng an to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u1ea3i v\u00e0 c\u00e0i \u0111\u1eb7t m\u00e3 \u0111\u1ed9c v\u00e0o m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Co-che-ma-hoa-Encryption-va-Doi-tien-chuoc\"><\/span>C\u01a1 ch\u1ebf m\u00e3 h\u00f3a (Encryption) v\u00e0 \u0110\u00f2i ti\u1ec1n chu\u1ed9c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi \u0111\u00e3 x\u00e2m nh\u1eadp th\u00e0nh c\u00f4ng, <strong>Ransomware<\/strong> th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ol>\n<li><strong>Ng\u1eaft k\u1ebft n\u1ed1i v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt:<\/strong> M\u00e3 \u0111\u1ed9c c\u1ed1 g\u1eafng v\u00f4 hi\u1ec7u h\u00f3a c\u00e1c ph\u1ea7n m\u1ec1m di\u1ec7t Virus ho\u1eb7c Anti-Ransomware \u0111ang ch\u1ea1y.<\/li>\n<li><strong>M\u00e3 h\u00f3a t\u1ec7p tin:<\/strong> M\u00e3 \u0111\u1ed9c s\u1eed d\u1ee5ng <a href=\"https:\/\/interdata.vn\/blog\/thuat-toan-algorithm\/\">thu\u1eadt to\u00e1n<\/a> m\u00e3 h\u00f3a m\u1ea1nh (nh\u01b0 AES, RSA) \u0111\u1ec3 m\u00e3 h\u00f3a h\u00e0ng lo\u1ea1t c\u00e1c t\u1ec7p d\u1eef li\u1ec7u quan tr\u1ecdng (.doc, .pdf, .db, .zip). Kh\u00f3a gi\u1ea3i m\u00e3 ch\u1ec9 n\u1eb1m trong tay k\u1ebb t\u1ea5n c\u00f4ng.<\/li>\n<li><strong>Y\u00eau c\u1ea7u ti\u1ec1n chu\u1ed9c:<\/strong> Xu\u1ea5t hi\u1ec7n ghi ch\u00fa \u0111\u00f2i ti\u1ec1n chu\u1ed9c, cung c\u1ea5p \u0111\u1ecba ch\u1ec9 v\u00ed \u0111i\u1ec7n t\u1eed v\u00e0 h\u01b0\u1edbng d\u1eabn thanh to\u00e1n.<\/li>\n<\/ol>\n<p><strong>Ph\u00e2n t\u00edch quan tr\u1ecdng:<\/strong> C\u00e1c chuy\u00ean gia b\u1ea3o m\u1eadt v\u00e0 <a href=\"https:\/\/interdata.vn\/\"><strong>InterData<\/strong> <\/a>lu\u00f4n khuy\u00ean <strong>kh\u00f4ng n\u00ean tr\u1ea3 ti\u1ec1n chu\u1ed9c<\/strong>. Vi\u1ec7c tr\u1ea3 ti\u1ec1n kh\u00f4ng \u0111\u1ea3m b\u1ea3o b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c kh\u00f3a gi\u1ea3i m\u00e3, v\u00e0 n\u00f3 ch\u1ec9 khuy\u1ebfn kh\u00edch c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1ed9i ph\u1ea1m m\u1ea1ng ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n cu\u1ed9c t\u1ea5n c\u00f4ng <strong>Ransomware<\/strong>.<\/p>\n<figure id=\"attachment_24939\" aria-describedby=\"caption-attachment-24939\" style=\"width: 710px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24939\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cach-cac-cuoc-tan-cong-Ransomware-hoat-dong.jpg\" alt=\"C\u00e1ch c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Ransomware ho\u1ea1t \u0111\u1ed9ng\" width=\"710\" height=\"400\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cach-cac-cuoc-tan-cong-Ransomware-hoat-dong.jpg 710w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cach-cac-cuoc-tan-cong-Ransomware-hoat-dong-300x169.jpg 300w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><figcaption id=\"caption-attachment-24939\" class=\"wp-caption-text\">C\u00e1ch c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Ransomware ho\u1ea1t \u0111\u1ed9ng<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Cac-loai-ransomware-thuong-gap\"><\/span>C\u00e1c lo\u1ea1i ransomware th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00f3 hai lo\u1ea1i ransomware ch\u00ednh. Lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t, g\u1ecdi l\u00e0<strong> ransomware m\u00e3 h\u00f3a<\/strong> hay ransomware ti\u1ec1n m\u00e3 h\u00f3a (crypto ransomware), gi\u1eef d\u1eef li\u1ec7u c\u1ee7a n\u1ea1n nh\u00e2n l\u00e0m con tin b\u1eb1ng c\u00e1ch m\u00e3 h\u00f3a ch\u00fang. K\u1ebb t\u1ea5n c\u00f4ng sau \u0111\u00f3 y\u00eau c\u1ea7u ti\u1ec1n chu\u1ed9c \u0111\u1ec3 cung c\u1ea5p kh\u00f3a m\u00e3 h\u00f3a c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u.<\/p>\n<p>Lo\u1ea1i ransomware \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n, g\u1ecdi l\u00e0 <strong>ransomware kh\u00f4ng m\u00e3 h\u00f3a<\/strong> hay ransomware kh\u00f3a m\u00e0n h\u00ecnh (screen-locking ransomware), kh\u00f3a to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n, th\u01b0\u1eddng l\u00e0 b\u1eb1ng c\u00e1ch ch\u1eb7n quy\u1ec1n truy c\u1eadp v\u00e0o h\u1ec7 \u0111i\u1ec1u h\u00e0nh. Thay v\u00ec kh\u1edfi \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, thi\u1ebft b\u1ecb s\u1ebd hi\u1ec3n th\u1ecb m\u1ed9t m\u00e0n h\u00ecnh y\u00eau c\u1ea7u ti\u1ec1n chu\u1ed9c.<\/p>\n<p>Hai lo\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh c\u00e1c nh\u00f3m con sau:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Leakware-hay-Doxware\"><\/span>Leakware hay Doxware<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Leakware hay doxware<\/strong> l\u00e0 lo\u1ea1i ransomware <strong>\u0111\u00e1nh c\u1eafp ho\u1eb7c r\u00fat tr\u1ed9m d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m<\/strong> v\u00e0 \u0111e d\u1ecda c\u00f4ng khai n\u00f3. Trong khi c\u00e1c phi\u00ean b\u1ea3n leakware ho\u1eb7c doxware tr\u01b0\u1edbc \u0111\u00e2y ch\u1ec9 \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng m\u00e3 h\u00f3a, c\u00e1c bi\u1ebfn th\u1ec3 hi\u1ec7n nay th\u01b0\u1eddng l\u00e0m c\u1ea3 hai.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ransomware-tren-di-dong\"><\/span>Ransomware tr\u00ean di \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ransomware tr\u00ean di \u0111\u1ed9ng l\u00e0 t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i ransomware \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn thi\u1ebft b\u1ecb di \u0111\u1ed9ng. Ch\u00fang \u0111\u01b0\u1ee3c t\u1ea3i xu\u1ed1ng qua c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ed9c h\u1ea1i ho\u1eb7c t\u1ea3i xu\u1ed1ng t\u1ef1 \u0111\u1ed9ng, v\u00e0 h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i ransomware tr\u00ean di \u0111\u1ed9ng l\u00e0 ransomware kh\u00f4ng m\u00e3 h\u00f3a.<\/p>\n<p>Hacker th\u00edch s\u1eed d\u1ee5ng ransomware kh\u00f3a m\u00e0n h\u00ecnh cho c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng tr\u00ean di \u0111\u1ed9ng v\u00ec c\u00e1c sao l\u01b0u d\u1eef li\u1ec7u \u0111\u00e1m m\u00e2y t\u1ef1 \u0111\u1ed9ng, t\u00ednh n\u0103ng n\u00e0y c\u00f3 tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb di \u0111\u1ed9ng, l\u00e0m cho vi\u1ec7c \u0111\u1ea3o ng\u01b0\u1ee3c c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u00e3 h\u00f3a tr\u1edf n\u00ean d\u1ec5 d\u00e0ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Wipers\"><\/span>Wipers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Wipers, hay ransomware ph\u00e1 h\u1ee7y, <strong>\u0111e d\u1ecda ph\u00e1 h\u1ee7y d\u1eef li\u1ec7u n\u1ebfu n\u1ea1n nh\u00e2n kh\u00f4ng tr\u1ea3 ti\u1ec1n chu\u1ed9c<\/strong>. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, ransomware s\u1ebd ph\u00e1 h\u1ee7y d\u1eef li\u1ec7u ngay c\u1ea3 khi n\u1ea1n nh\u00e2n \u0111\u00e3 tr\u1ea3 ti\u1ec1n. Lo\u1ea1i wiper n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c tri\u1ec3n khai b\u1edfi c\u00e1c qu\u1ed1c gia ho\u1eb7c hacker ch\u00ednh tr\u1ecb, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c t\u1ed9i ph\u1ea1m m\u1ea1ng th\u00f4ng th\u01b0\u1eddng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Scareware\"><\/span>Scareware<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Scareware l\u00e0 ransomware c\u1ed1 g\u1eafng<strong> d\u1ecda d\u1eabm ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 \u00e9p h\u1ecd tr\u1ea3 ti\u1ec1n chu\u1ed9c<\/strong>. Scareware c\u00f3 th\u1ec3 gi\u1ea3 m\u1ea1o th\u00f4ng \u0111i\u1ec7p t\u1eeb c\u01a1 quan th\u1ef1c thi ph\u00e1p lu\u1eadt, c\u00e1o bu\u1ed9c n\u1ea1n nh\u00e2n ph\u1ea1m t\u1ed9i v\u00e0 y\u00eau c\u1ea7u n\u1ed9p ph\u1ea1t. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3 m\u1ea1o m\u1ed9t c\u1ea3nh b\u00e1o nhi\u1ec5m virus h\u1ee3p ph\u00e1p, khuy\u1ebfn kh\u00edch n\u1ea1n nh\u00e2n mua ph\u1ea7n m\u1ec1m ransomware gi\u1ea3 m\u1ea1o d\u01b0\u1edbi d\u1ea1ng ph\u1ea7n m\u1ec1m ch\u1ed1ng virus.<\/p>\n<p>\u0110\u00f4i khi, scareware ch\u00ednh l\u00e0 ransomware, m\u00e3 h\u00f3a d\u1eef li\u1ec7u ho\u1eb7c kh\u00f3a thi\u1ebft b\u1ecb. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00e1c, scareware ch\u1ec9 l\u00e0 vector t\u1ea5n c\u00f4ng, kh\u00f4ng m\u00e3 h\u00f3a g\u00ec m\u00e0 ch\u1ec9 bu\u1ed9c n\u1ea1n nh\u00e2n t\u1ea3i xu\u1ed1ng ransomware.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Virus-va-Ransomware-Giong-hay-khac\"><\/span>Virus v\u00e0 Ransomware: Gi\u1ed1ng hay kh\u00e1c?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Virus m\u00e1y t\u00ednh l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef quen thu\u1ed9c, v\u00e0 nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng d\u00f9ng n\u00f3 \u0111\u1ec3 ch\u1ec9 chung t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, bao g\u1ed3m c\u1ea3 ransomware. Tuy nhi\u00ean, \u0111\u00e2y l\u00e0 hai kh\u00e1i ni\u1ec7m kh\u00e1c bi\u1ec7t.<\/p>\n<p>C\u1ea3 virus v\u00e0 ransomware \u0111\u1ec1u l\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i (malware). Virus l\u00e0 lo\u1ea1i malware c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 ph\u00e1t t\u00e1n v\u00e0 l\u00e2y lan r\u1ea5t nhanh, kh\u00f3 ki\u1ec3m so\u00e1t.<\/p>\n<figure id=\"attachment_24940\" aria-describedby=\"caption-attachment-24940\" style=\"width: 785px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24940\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Virus-vs-Ransomware-giong-hay-khac-nhau.png\" alt=\"Virus vs Ransomware gi\u1ed1ng hay kh\u00e1c nhau\" width=\"785\" height=\"413\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Virus-vs-Ransomware-giong-hay-khac-nhau.png 785w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Virus-vs-Ransomware-giong-hay-khac-nhau-300x158.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Virus-vs-Ransomware-giong-hay-khac-nhau-768x404.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Virus-vs-Ransomware-giong-hay-khac-nhau-750x395.png 750w\" sizes=\"auto, (max-width: 785px) 100vw, 785px\" \/><figcaption id=\"caption-attachment-24940\" class=\"wp-caption-text\">Virus vs Ransomware gi\u1ed1ng hay kh\u00e1c nhau<\/figcaption><\/figure>\n<p>Trong khi \u0111\u00f3, ransomware l\u00e0 ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed1ng ti\u1ec1n n\u1ea1n nh\u00e2n. \u0110\u1ec3 ph\u00e1t t\u00e1n ransomware, k\u1ebb x\u1ea5u th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt l\u1eeba \u0111\u1ea3o (phishing) \u0111\u1ec3 d\u1ee5 ng\u01b0\u1eddi d\u00f9ng m\u1eafc b\u1eaby.<\/p>\n<p>Do s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y, ch\u1ec9 m\u1ed9t s\u1ed1 \u00edt ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o lo\u1ea1i Virus Ransomware. Thu\u1eadt ng\u1eef n\u00e0y d\u00f9ng \u0111\u1ec3 ch\u1ec9 c\u00e1c ph\u1ea7n m\u1ec1m t\u1ed1ng ti\u1ec1n c\u00f3 kh\u1ea3 n\u0103ng l\u00e2y lan c\u1ef1c k\u1ef3 nhanh ch\u00f3ng. M\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh l\u00e0 WannaCry.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tac-hai-cua-ransomware-doi-voi-ca-nhan-va-doanh-nghiep\"><\/span>T\u00e1c h\u1ea1i c\u1ee7a ransomware \u0111\u1ed1i v\u1edbi c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>H\u1eadu qu\u1ea3 m\u00e0 <strong>Ransomware<\/strong> g\u00e2y ra v\u01b0\u1ee3t xa kh\u1ecfi chi ph\u00ed ti\u1ec1n chu\u1ed9c. <strong>T\u00e1c h\u1ea1i Ransomware<\/strong> l\u00e0 m\u1ed9t t\u1ed5n th\u1ea5t to\u00e0n di\u1ec7n.<\/p>\n<ul>\n<li><strong>Thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh kh\u1ed5ng l\u1ed3:<\/strong> Bao g\u1ed3m ti\u1ec1n chu\u1ed9c (n\u1ebfu quy\u1ebft \u0111\u1ecbnh tr\u1ea3), chi ph\u00ed thu\u00ea chuy\u00ean gia ph\u1ee5c h\u1ed3i h\u1ec7 th\u1ed1ng, chi ph\u00ed cho th\u1eddi gian <strong>Downtime<\/strong> (th\u1eddi gian h\u1ec7 th\u1ed1ng ng\u1eebng ho\u1ea1t \u0111\u1ed9ng), v\u00e0 c\u00e1c kho\u1ea3n ph\u1ea1t ph\u00e1p l\u00fd do r\u00f2 r\u1ec9 d\u1eef li\u1ec7u kh\u00e1ch h\u00e0ng.<\/li>\n<li><strong>M\u1ea5t d\u1eef li\u1ec7u v\u0129nh vi\u1ec5n:<\/strong> Nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p tr\u1ea3 ti\u1ec1n chu\u1ed9c nh\u01b0ng kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c kh\u00f3a gi\u1ea3i m\u00e3 ho\u1eb7c kh\u00f3a gi\u1ea3i m\u00e3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7, d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u1ea5t m\u00e1t <strong>d\u1eef li\u1ec7u quan tr\u1ecdng<\/strong> v\u0129nh vi\u1ec5n.<\/li>\n<li><strong>T\u1ed5n th\u1ea5t uy t\u00edn v\u00e0 ni\u1ec1m tin kh\u00e1ch h\u00e0ng:<\/strong> <strong>\u1ea2nh h\u01b0\u1edfng Ransomware<\/strong> l\u1edbn nh\u1ea5t l\u00e0 vi\u1ec7c c\u00f4ng ty b\u1ecb m\u1ea5t ni\u1ec1m tin t\u1eeb \u0111\u1ed1i t\u00e1c v\u00e0 kh\u00e1ch h\u00e0ng do kh\u00f4ng b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u c\u1ee7a h\u1ecd. Vi\u1ec7c kinh doanh c\u00f3 th\u1ec3 b\u1ecb \u0111\u00ecnh tr\u1ec7.<\/li>\n<li><strong>T\u1ed1ng ti\u1ec1n k\u00e9p (Double Extortion):<\/strong> C\u00e1c nh\u00f3m <strong>Ransomware<\/strong> hi\u1ec7n \u0111\u1ea1i kh\u00f4ng ch\u1ec9 m\u00e3 h\u00f3a m\u00e0 c\u00f2n tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m ra ngo\u00e0i tr\u01b0\u1edbc khi m\u00e3 h\u00f3a. Sau \u0111\u00f3, ch\u00fang \u0111e d\u1ecda c\u00f4ng b\u1ed1 d\u1eef li\u1ec7u n\u00e0y n\u1ebfu ti\u1ec1n chu\u1ed9c kh\u00f4ng \u0111\u01b0\u1ee3c thanh to\u00e1n.<\/li>\n<\/ul>\n<figure id=\"attachment_24941\" aria-describedby=\"caption-attachment-24941\" style=\"width: 936px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24941\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Hau-qua-cua-mot-cuoc-tan-cong-Ransomware-.webp\" alt=\"H\u1eadu qu\u1ea3 c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng Ransomware\u00a0\" width=\"936\" height=\"586\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Hau-qua-cua-mot-cuoc-tan-cong-Ransomware-.webp 936w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Hau-qua-cua-mot-cuoc-tan-cong-Ransomware--300x188.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Hau-qua-cua-mot-cuoc-tan-cong-Ransomware--768x481.webp 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Hau-qua-cua-mot-cuoc-tan-cong-Ransomware--750x470.webp 750w\" sizes=\"auto, (max-width: 936px) 100vw, 936px\" \/><figcaption id=\"caption-attachment-24941\" class=\"wp-caption-text\">H\u1eadu qu\u1ea3 c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng Ransomware<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"7-Buoc-phong-chong-Ransomware-hieu-qua-cho-Doanh-nghiep\"><\/span>7 B\u01b0\u1edbc ph\u00f2ng ch\u1ed1ng Ransomware hi\u1ec7u qu\u1ea3 cho Doanh nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 ch\u1ed1ng l\u1ea1i ransomware l\u00e0 ng\u0103n ng\u1eeba m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng ngay t\u1eeb \u0111\u1ea7u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cap-nhat-thuong-xuyen\"><\/span>C\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u1eadp nh\u1eadt thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 mi\u1ec5n ph\u00ed \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u00fang. Nhi\u1ec1u b\u1ea3n c\u1eadp nh\u1eadt bao g\u1ed3m c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c lo\u1ea1i m\u1ed1i \u0111e d\u1ecda m\u1ea1ng m\u1edbi. Khi nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb h\u1ecdc c\u00e1ch ch\u1ed1ng l\u1ea1i c\u00e1c lo\u1ea1i ransomware kh\u00e1c nhau, m\u00e3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt.<\/p>\n<figure id=\"attachment_24943\" aria-describedby=\"caption-attachment-24943\" style=\"width: 875px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24943\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cap-nhat-thuong-xuyen.webp\" alt=\"C\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean\" width=\"875\" height=\"404\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cap-nhat-thuong-xuyen.webp 875w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cap-nhat-thuong-xuyen-300x139.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cap-nhat-thuong-xuyen-768x355.webp 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cap-nhat-thuong-xuyen-750x346.webp 750w\" sizes=\"auto, (max-width: 875px) 100vw, 875px\" \/><figcaption id=\"caption-attachment-24943\" class=\"wp-caption-text\">C\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean<\/figcaption><\/figure>\n<p>\u0110\u1ec3 t\u1eadn d\u1ee5ng l\u1ee3i \u00edch n\u00e0y, b\u1ea1n h\u00e3y th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra c\u1eadp nh\u1eadt b\u1eb1ng c\u00e1ch <strong>theo d\u00f5i c\u00e1c th\u00f4ng b\u00e1o c\u1eadp nh\u1eadt<\/strong> ho\u1eb7c ki\u1ec3m tra trong c\u00e0i \u0111\u1eb7t c\u1ee7a thi\u1ebft b\u1ecb. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 \u0111\u1eb7t ch\u1ebf \u0111\u1ed9 c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng &#8211; th\u01b0\u1eddng l\u00e0 v\u00e0o nh\u1eefng l\u00fac b\u1ea1n kh\u00f4ng s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xac-thuc-phan-mem\"><\/span>X\u00e1c th\u1ef1c ph\u1ea7n m\u1ec1m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>X\u00e1c th\u1ef1c ph\u1ea7n m\u1ec1m gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng ph\u1ea7n m\u1ec1m b\u1ea1n c\u00e0i \u0111\u1eb7t tr\u00ean thi\u1ebft b\u1ecb \u0111\u1ebfn t\u1eeb ngu\u1ed3n uy t\u00edn, kh\u00f4ng ph\u1ea3i t\u1eeb k\u1ebb t\u1ea5n c\u00f4ng. M\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m b\u1ea1n c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t kh\u00f4ng c\u00f3 t\u00ednh n\u0103ng x\u00e1c th\u1ef1c t\u1ef1 \u0111\u1ed9ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn vi\u1ec7c x\u00e1c minh tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m qua \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 <strong>x\u00e1c nh\u1eadn r\u1eb1ng ph\u1ea7n m\u1ec1m v\u00e0 phi\u00ean b\u1ea3n c\u1ee5 th\u1ec3 c\u1ee7a n\u00f3 l\u00e0 ch\u00ednh h\u00e3ng<\/strong>. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 c\u00e1ch b\u1ea1n t\u00ecm th\u1ea5y ph\u1ea7n m\u1ec1m, website ho\u1eb7c email m\u00e0 b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c, c\u00f9ng v\u1edbi c\u00e1c chi ti\u1ebft v\u1ec1 h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t, gi\u00fap nh\u00e0 ph\u00e1t tri\u1ec3n x\u00e1c \u0111\u1ecbnh t\u00ednh x\u00e1c th\u1ef1c.<\/p>\n<p>\u0110\u1ec3 b\u1ea3o v\u1ec7 m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n kh\u1ecfi ph\u1ea7n m\u1ec1m kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p, c\u00f4ng c\u1ee5 nh\u01b0 FortiToken cung c\u1ea5p kh\u1ea3 n\u0103ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA), s\u1eed d\u1ee5ng m\u00f4i tr\u01b0\u1eddng \u0111\u00e1m m\u00e2y \u0111\u1ec3 x\u00e1c minh k\u1ebft n\u1ed1i trong m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cai-dat-phan-mem-bao-ve-chong-virus\"><\/span>C\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m b\u1ea3o v\u1ec7 ch\u1ed1ng virus<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ph\u1ea7n m\u1ec1m b\u1ea3o v\u1ec7 ch\u1ed1ng virus l\u00e0 m\u1ed9t trong nh\u1eefng <strong>gi\u1ea3i ph\u00e1p m\u1ea1nh m\u1ebd v\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t<\/strong> trong cu\u1ed9c chi\u1ebfn ch\u1ed1ng l\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i. C\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng virus gi\u00fap ng\u0103n ransomware x\u00e2m nh\u1eadp v\u00e0o thi\u1ebft b\u1ecb ho\u1eb7c m\u1ea1ng c\u1ee7a b\u1ea1n ngay t\u1eeb \u0111\u1ea7u, ng\u0103n ch\u1eb7n k\u1ebb t\u1ea5n c\u00f4ng \u0111e d\u1ecda b\u1ea1n b\u1eb1ng ti\u1ec1n chu\u1ed9c ho\u1eb7c ph\u00e1 v\u1ee1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea1n.<\/p>\n<p>Ransomware th\u01b0\u1eddng x\u00e2m nh\u1eadp qua m\u1ed9t email c\u00f3 v\u1ebb v\u00f4 h\u1ea1i, nh\u01b0ng b\u1ea3o m\u1eadt email c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n n\u00f3 ngay t\u1eeb giai \u0111o\u1ea1n \u0111\u1ea7u. D\u1eef li\u1ec7u trong c\u00e1c t\u1ec7p \u0111\u00ednh k\u00e8m email c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c m\u1ed1i \u0111e d\u1ecda.<\/p>\n<p>V\u1edbi lo\u1ea1i l\u1ecdc n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ch\u1eb7n email t\u1eeb c\u00e1c ngu\u1ed3n c\u00f3 v\u1ea5n \u0111\u1ec1, \u0111\u1ed3ng th\u1eddi thi\u1ebft l\u1eadp c\u00e1c quy t\u1eafc \u0111\u1ec3 ng\u0103n nh\u1eefng tin nh\u1eafn n\u00e0y g\u1eedi \u0111\u1ebfn h\u1ed9p th\u01b0 \u0111\u1ebfn c\u1ee7a b\u1ea1n.<\/p>\n<figure id=\"attachment_24944\" aria-describedby=\"caption-attachment-24944\" style=\"width: 728px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24944\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cai-dat-phan-mem-bao-ve-chong-virus.jpg\" alt=\"C\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m b\u1ea3o v\u1ec7 ch\u1ed1ng virus\" width=\"728\" height=\"410\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cai-dat-phan-mem-bao-ve-chong-virus.jpg 728w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Cai-dat-phan-mem-bao-ve-chong-virus-300x169.jpg 300w\" sizes=\"auto, (max-width: 728px) 100vw, 728px\" \/><figcaption id=\"caption-attachment-24944\" class=\"wp-caption-text\">C\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m b\u1ea3o v\u1ec7 ch\u1ed1ng virus<\/figcaption><\/figure>\n<p>Ngo\u00e0i ra, m\u1ed9t t\u01b0\u1eddng l\u1eeda th\u1ebf h\u1ec7 ti\u1ebfp theo (NGFW) c\u00f3 th\u1ec3 cung c\u1ea5p th\u00eam m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7. NGFW cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng l\u1ecdc g\u00f3i, h\u1ed7 tr\u1ee3 m\u1ea1ng ri\u00eang \u1ea3o (VPN) v\u00e0 \u00e1nh x\u1ea1 <a href=\"https:\/\/interdata.vn\/blog\/dia-chi-ip-la-gi\/\">\u0111\u1ecba ch\u1ec9 IP<\/a>.<\/p>\n<p>Ch\u00fang c\u0169ng <strong>gi\u00e1m s\u00e1t m\u1ea1ng c\u1ee7a b\u1ea1n, theo d\u00f5i c\u00e1c m\u1ed1i \u0111e d\u1ecda<\/strong>. C\u00e1c nh\u00e0 cung c\u1ea5p NGFW th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u li\u00ean t\u1ee5c v\u1ec1 t\u00ecnh h\u00ecnh b\u1ea3o m\u1eadt \u0111\u1ec3 ph\u00e1t hi\u1ec7n m\u1ed1i \u0111e d\u1ecda m\u1edbi v\u00e0 s\u1eed d\u1ee5ng d\u1eef li\u1ec7u n\u00e0y d\u01b0\u1edbi d\u1ea1ng c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0o thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Them-phan-mem-vao-danh-sach-trang\"><\/span>Th\u00eam ph\u1ea7n m\u1ec1m v\u00e0o danh s\u00e1ch tr\u1eafng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Danh s\u00e1ch tr\u1eafng ph\u1ea7n m\u1ec1m l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng. Ng\u01b0\u1eddi d\u00f9ng s\u1ebd ki\u1ec3m tra thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd v\u00e0 ph\u00ea duy\u1ec7t ph\u1ea7n m\u1ec1m tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng. C\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 nh\u01b0 t\u01b0\u1eddng l\u1eeda c\u00f3 th\u1ec3 c\u1ea3nh b\u00e1o b\u1ea1n v\u1ec1 ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 ch\u1ee9a ransomware v\u00e0 y\u00eau c\u1ea7u s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi k\u1ebft n\u1ed1i v\u1edbi internet.<\/p>\n<p>Th\u00f4ng qua qu\u00e1 tr\u00ecnh th\u00eam v\u00e0o danh s\u00e1ch tr\u1eafng, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ch\u1ecdn <strong>ch\u1eb7n t\u1ea5t c\u1ea3 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ebfn<\/strong> n\u1ebfu b\u1ea1n nghi ng\u1edd c\u00f3 s\u1ef1 x\u00e2m nh\u1eadp b\u1ea3o m\u1eadt. Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e1c \u0111\u1ecbnh ngu\u1ed3n g\u1ed1c c\u1ee7a v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng b\u1ea5t k\u1ef3 ch\u01b0\u01a1ng tr\u00ecnh n\u00e0o. Khi b\u1ea1n s\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda, ransomware r\u1ea5t d\u1ec5 nh\u1eadn di\u1ec7n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sao-luu-du-lieu\"><\/span>Sao l\u01b0u d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1eb7c d\u00f9 sao l\u01b0u kh\u00f4ng th\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng, nh\u01b0ng ch\u00fang l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong chi\u1ebfn l\u01b0\u1ee3c ph\u00f2ng ng\u1eeba. <strong>Sao l\u01b0u d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean<\/strong> gi\u00fap b\u1ea1n c\u00f3 m\u1ed9t b\u1ea3n sao an to\u00e0n c\u1ee7a m\u1ed7i thi\u1ebft b\u1ecb trong m\u1ea1ng c\u1ee7a b\u1ea1n. Trong tr\u01b0\u1eddng h\u1ee3p b\u1ecb t\u1ea5n c\u00f4ng ransomware, b\u1ea1n c\u00f3 th\u1ec3 x\u00f3a h\u1ec7 th\u1ed1ng v\u00e0 s\u1eed d\u1ee5ng b\u1ea3n sao l\u01b0u \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i m\u1ecdi th\u1ee9.<\/p>\n<figure id=\"attachment_24945\" aria-describedby=\"caption-attachment-24945\" style=\"width: 620px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-24945\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Sao-luu-du-lieu.jpg\" alt=\"Sao l\u01b0u d\u1eef li\u1ec7u\" width=\"620\" height=\"310\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Sao-luu-du-lieu.jpg 620w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Sao-luu-du-lieu-300x150.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Sao-luu-du-lieu-360x180.jpg 360w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><figcaption id=\"caption-attachment-24945\" class=\"wp-caption-text\">Sao l\u01b0u d\u1eef li\u1ec7u<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Dao-tao-nhan-vien\"><\/span>\u0110\u00e0o t\u1ea1o nh\u00e2n vi\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi nh\u00e2n vi\u00ean c\u1ee7a b\u1ea1n c\u00f3 \u0111\u1ee7 ki\u1ebfn th\u1ee9c, h\u1ecd c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ng\u1eeba c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ransomware. H\u00e3y th\u00f4ng b\u00e1o cho h\u1ecd v\u1ec1 c\u00e1c d\u1ea5u hi\u1ec7u c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0 c\u00e1ch ph\u00f2ng tr\u00e1nh vi\u1ec7c l\u00e0m l\u1ed9 th\u00f4ng tin c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Su-dung-giai-phap-bao-mat-toan-dien\"><\/span>S\u1eed d\u1ee5ng gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt to\u00e0n di\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ph\u00f2ng th\u1ee7 t\u1ed1t nh\u1ea5t ch\u1ed1ng l\u1ea1i ransomware l\u00e0 m\u1ed9t <strong>gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt to\u00e0n di\u1ec7n<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb kh\u1ecfi b\u1ecb t\u1ea5n c\u00f4ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m l\u1ecdc web, t\u1ea1o ra m\u1ed9t r\u00e0o c\u1ea3n gi\u1eefa m\u1ea1ng c\u1ee7a b\u1ea1n v\u00e0 c\u00e1c trang web, li\u00ean k\u1ebft, ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ho\u1eb7c c\u00e1c n\u1ed9i dung nguy hi\u1ec3m kh\u00e1c.<\/p>\n<p>M\u1ed9t gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n c\u0169ng c\u00f3 th\u1ec3 <strong>s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 sandboxing<\/strong>, n\u01a1i c\u00e1c h\u00e0nh \u0111\u1ed9ng c\u1ee7a \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00f4i tr\u01b0\u1eddng c\u00e1ch ly. Trong sandbox, h\u00e0nh vi c\u1ee7a \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch v\u00e0 d\u1eef li\u1ec7u thu th\u1eadp c\u00f3 th\u1ec3 gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i, s\u1ef1 kh\u00f4ng hi\u1ec7u qu\u1ea3, ransomware v\u00e0 c\u00e1c m\u00e3 \u0111\u1ed9c \u0111\u00e1ng ng\u1edd kh\u00e1c. V\u00ec \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng trong sandbox, c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c c\u1ee7a thi\u1ebft b\u1ecb ho\u1eb7c m\u1ea1ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nen-lam-gi-khi-bi-tan-cong-Ransomware-Huong-dan-xu-ly\"><\/span>N\u00ean l\u00e0m g\u00ec khi b\u1ecb t\u1ea5n c\u00f4ng Ransomware? (H\u01b0\u1edbng d\u1eabn x\u1eed l\u00fd)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u1ebfu \u0111\u00e3 b\u1ecb t\u1ea5n c\u00f4ng, h\u00e0nh \u0111\u1ed9ng nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u c\u1ed1t y\u1ebfu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc-1-Ngat-ket-noi-va-co-lap-he-thong-ngay-lap-tuc\"><\/span>B\u01b0\u1edbc 1: Ng\u1eaft k\u1ebft n\u1ed1i v\u00e0 c\u00f4 l\u1eadp h\u1ec7 th\u1ed1ng ngay l\u1eadp t\u1ee9c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ngay khi ph\u00e1t hi\u1ec7n <strong>d\u1ea5u hi\u1ec7u c\u1ee7a Ransomware<\/strong>, ng\u1eaft k\u1ebft n\u1ed1i m\u00e1y t\u00ednh b\u1ecb nhi\u1ec5m kh\u1ecfi m\u1ea1ng Internet v\u00e0 m\u1ea1ng n\u1ed9i b\u1ed9 (th\u00e1o d\u00e2y m\u1ea1ng, t\u1eaft Wi-Fi). \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n <strong>Ransomware<\/strong> l\u00e2y lan sang c\u00e1c m\u00e1y t\u00ednh, Server, v\u00e0 b\u1ea3n sao l\u01b0u kh\u00e1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc-2-Danh-gia-thiet-hai-va-khong-tra-tien-chuoc\"><\/span>B\u01b0\u1edbc 2: \u0110\u00e1nh gi\u00e1 thi\u1ec7t h\u1ea1i v\u00e0 kh\u00f4ng tr\u1ea3 ti\u1ec1n chu\u1ed9c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 thi\u1ec7t h\u1ea1i v\u00e0 x\u00e1c \u0111\u1ecbnh bi\u1ebfn th\u1ec3 <strong>Ransomware<\/strong> \u0111\u00e3 t\u1ea5n c\u00f4ng. <strong>Kh\u00f4ng tr\u1ea3 ti\u1ec1n chu\u1ed9c<\/strong>. Thay v\u00e0o \u0111\u00f3, t\u00ecm ki\u1ebfm s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eeb c\u00e1c chuy\u00ean gia b\u1ea3o m\u1eadt.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc-3-Phuc-hoi-du-lieu-tu-ban-Backup-an-toan\"><\/span>B\u01b0\u1edbc 3: Ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u t\u1eeb b\u1ea3n Backup an to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>S\u1eed d\u1ee5ng b\u1ea3n <strong>Backup<\/strong> g\u1ea7n nh\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n v\u00e0 kh\u00f4ng b\u1ecb m\u00e3 h\u00f3a \u0111\u1ec3 ph\u1ee5c h\u1ed3i h\u1ec7 th\u1ed1ng. \u0110\u00e2y l\u00e0 con \u0111\u01b0\u1eddng ph\u1ee5c h\u1ed3i duy nh\u1ea5t \u0111\u00e1ng tin c\u1eady.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-cong-cu-ho-tro-giai-ma-ransomware-mien-phi\"><\/span>C\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 gi\u1ea3i m\u00e3 ransomware mi\u1ec5n ph\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u1ebfu ch\u1eb3ng may b\u1ecb t\u1ea5n c\u00f4ng v\u00e0 kh\u00f4ng c\u00f3 b\u1ea3n <strong>Backup<\/strong> an to\u00e0n, b\u1ea1n v\u1eabn c\u00f3 m\u1ed9t c\u01a1 h\u1ed9i cu\u1ed1i c\u00f9ng l\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 mi\u1ec5n ph\u00ed.<\/p>\n<ul>\n<li><strong>No More Ransom (D\u1ef1 \u00e1n to\u00e0n c\u1ea7u):<\/strong> \u0110\u00e2y l\u00e0 s\u00e1ng ki\u1ebfn h\u00e0ng \u0111\u1ea7u c\u1ee7a c\u1ea3nh s\u00e1t ch\u00e2u \u00c2u v\u00e0 c\u00e1c h\u00e3ng b\u1ea3o m\u1eadt l\u1edbn. H\u1ecd cung c\u1ea5p m\u1ed9t kho t\u00e0ng c\u00e1c <strong>c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 Ransomware<\/strong> mi\u1ec5n ph\u00ed cho h\u00e0ng tr\u0103m bi\u1ebfn th\u1ec3 \u0111\u00e3 c\u0169 ho\u1eb7c \u0111\u00e3 b\u1ecb b\u1ebb kh\u00f3a.<\/li>\n<li><strong>Kaspersky Decryptor:<\/strong> Kaspersky th\u01b0\u1eddng xuy\u00ean ph\u00e1t h\u00e0nh c\u00e1c c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 mi\u1ec5n ph\u00ed cho c\u00e1c lo\u1ea1i m\u00e3 \u0111\u1ed9c m\u1edbi.<\/li>\n<li><strong>Emsisoft Decryptor:<\/strong> T\u01b0\u01a1ng t\u1ef1, Emsisoft c\u0169ng cung c\u1ea5p m\u1ed9t b\u1ed9 <strong>Ransomware Decryptor<\/strong> h\u1eefu \u00edch cho nhi\u1ec1u lo\u1ea1i m\u00e3 \u0111\u1ed9c.<\/li>\n<\/ul>\n<p>Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd, c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 <strong>Ransomware<\/strong> \u0111\u00e3 c\u0169 ho\u1eb7c c\u00f3 l\u1ed7 h\u1ed5ng trong qu\u00e1 tr\u00ecnh m\u00e3 h\u00f3a. \u0110\u1ed1i v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 m\u1edbi nh\u1ea5t, vi\u1ec7c gi\u1ea3i m\u00e3 v\u1eabn l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3.<\/p>\n<p>Ransomware l\u00e0 g\u00ec? N\u00f3 l\u00e0 m\u1ed9t l\u1eddi nh\u1eafc nh\u1edf \u0111\u1eaft gi\u00e1 v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng. Trong m\u00f4i tr\u01b0\u1eddng kinh doanh s\u1ed1 h\u00f3a hi\u1ec7n nay, vi\u1ec7c \u0111\u1ea7u t\u01b0 v\u00e0o b\u1ea3o m\u1eadt v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u00e0o chi\u1ebfn l\u01b0\u1ee3c sao l\u01b0u d\u1eef li\u1ec7u kh\u00f4ng ph\u1ea3i l\u00e0 chi ph\u00ed ph\u00e1t sinh, m\u00e0 l\u00e0 m\u1ed9t tr\u00e1ch nhi\u1ec7m b\u1eaft bu\u1ed9c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng kinh doanh li\u00ean t\u1ee5c.<\/p>\n<p>H\u00e3y \u00e1p d\u1ee5ng ngay c\u00e1c b\u01b0\u1edbc ph\u00f2ng ch\u1ed1ng Ransomware \u0111\u00e3 n\u00eau tr\u00ean v\u00e0 xem x\u00e9t l\u1ea1i chi\u1ebfn l\u01b0\u1ee3c Backup c\u1ee7a m\u00ecnh \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi m\u1ed1i \u0111e d\u1ecda kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ransomware \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt h\u00e0ng \u0111\u1ea7u \u0111\u1ed1i v\u1edbi m\u1ecdi doanh nghi\u1ec7p, t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn. M\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng Ransomware th\u00e0nh c\u00f4ng kh\u00f4ng ch\u1ec9 g\u00e2y gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng m\u00e0 c\u00f2n d\u1eabn \u0111\u1ebfn thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh v\u00e0 r\u00f2 r\u1ec9 d\u1eef li\u1ec7u nghi\u00eam tr\u1ecdng. V\u1eady Ransomware l\u00e0 g\u00ec? L\u00e0m th\u1ebf<\/p>\n","protected":false},"author":11,"featured_media":24946,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[83],"tags":[],"class_list":["post-24937","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\/24937","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=24937"}],"version-history":[{"count":5,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/24937\/revisions"}],"predecessor-version":[{"id":34184,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/24937\/revisions\/34184"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/24946"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=24937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=24937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=24937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}