{"id":1123,"date":"2026-04-25T01:21:59","date_gmt":"2026-04-24T18:21:59","guid":{"rendered":"https:\/\/vncybers.vn\/canh-bao-dot-tan-cong-ransomware-moi-nham-vao-cac-doanh-nghiep-viet-nam-trong-thang-4-2026\/"},"modified":"2026-04-25T01:21:59","modified_gmt":"2026-04-24T18:21:59","slug":"canh-bao-dot-tan-cong-ransomware-moi-nham-vao-cac-doanh-nghiep-viet-nam-trong-thang-4-2026","status":"publish","type":"post","link":"https:\/\/vncybers.vn\/en\/canh-bao-dot-tan-cong-ransomware-moi-nham-vao-cac-doanh-nghiep-viet-nam-trong-thang-4-2026\/","title":{"rendered":"C\u1ea3nh b\u00e1o \u0111\u1ee3t t\u1ea5n c\u00f4ng ransomware m\u1edbi nh\u1eafm v\u00e0o c\u00e1c doanh nghi\u1ec7p Vi\u1ec7t Nam trong th\u00e1ng 4\/2026"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1376\" height=\"768\" src=\"https:\/\/vncybers.vn\/wp-content\/uploads\/2026\/04\/realistic-tech-setup.jpg\" alt=\"C\u1ea3nh b\u00e1o ransomware t\u1ea1i Vi\u1ec7t Nam 2026\" class=\"wp-image-1122\" srcset=\"https:\/\/vncybers.vn\/wp-content\/uploads\/2026\/04\/realistic-tech-setup.jpg 1376w, https:\/\/vncybers.vn\/wp-content\/uploads\/2026\/04\/realistic-tech-setup-300x167.jpg 300w, https:\/\/vncybers.vn\/wp-content\/uploads\/2026\/04\/realistic-tech-setup-1024x572.jpg 1024w, https:\/\/vncybers.vn\/wp-content\/uploads\/2026\/04\/realistic-tech-setup-768x429.jpg 768w\" sizes=\"(max-width: 1376px) 100vw, 1376px\" \/><\/figure>\n\n\n<p>Trong nh\u1eefng ng\u00e0y cu\u1ed1i th\u00e1ng 4 n\u0103m 2026, c\u00e1c chuy\u00ean gia an ninh m\u1ea1ng t\u1ea1i Vi\u1ec7t Nam li\u00ean ti\u1ebfp \u0111\u01b0a ra c\u1ea3nh b\u00e1o v\u1ec1 m\u1ed9t \u0111\u1ee3t t\u1ea5n c\u00f4ng m\u00e3 h\u00f3a d\u1eef li\u1ec7u (ransomware) quy m\u00f4 l\u1edbn. C\u00e1c nh\u00f3m t\u1ed9i ph\u1ea1m m\u1ea1ng \u0111ang s\u1eed d\u1ee5ng nh\u1eefng k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng m\u1edbi, tinh vi h\u01a1n, khi\u1ebfn cho c\u00e1c h\u1ec7 th\u1ed1ng ph\u00f2ng th\u1ee7 truy\u1ec1n th\u1ed1ng g\u1eb7p nhi\u1ec1u kh\u00f3 kh\u0103n trong vi\u1ec7c ph\u00e1t hi\u1ec7n s\u1edbm.<\/p>\n\n<h2 class=\"wp-block-heading\">K\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng &#8216;Low and Slow&#8217;<\/h2>\n\n<p>Kh\u00e1c v\u1edbi c\u00e1c \u0111\u1ee3t t\u1ea5n c\u00f4ng tr\u01b0\u1edbc \u0111\u00e2y th\u01b0\u1eddng di\u1ec5n ra nhanh ch\u00f3ng, chi\u1ebfn d\u1ecbch l\u1ea7n n\u00e0y \u00e1p d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c &#8216;Low and Slow&#8217;. Tin t\u1eb7c x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng th\u00f4ng qua c\u00e1c l\u1ed7 h\u1ed5ng ch\u01b0a \u0111\u01b0\u1ee3c v\u00e1 trong c\u00e1c \u1ee9ng d\u1ee5ng l\u00e0m vi\u1ec7c t\u1eeb xa, sau \u0111\u00f3 \u00e2m th\u1ea7m n\u1eb1m v\u00f9ng trong th\u1eddi gian d\u00e0i \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin v\u00e0 leo thang \u0111\u1eb7c quy\u1ec1n tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh m\u00e3 h\u00f3a to\u00e0n b\u1ed9 d\u1eef li\u1ec7u.<\/p>\n\n<p>Theo b\u00e1o c\u00e1o t\u1eeb c\u00e1c trung t\u00e2m \u1ee9ng c\u1ee9u s\u1ef1 c\u1ed1, c\u00e1c m\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a \u0111\u1ee3t t\u1ea5n c\u00f4ng n\u00e0y l\u00e0 c\u00e1c doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf (SME) v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb cung c\u1ea5p d\u1ecbch v\u1ee5 c\u00f4ng, n\u01a1i quy tr\u00ecnh sao l\u01b0u d\u1eef li\u1ec7u (backup) \u0111\u00f4i khi c\u00f2n ch\u01b0a \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nghi\u00eam ng\u1eb7t ho\u1eb7c ch\u01b0a c\u00f3 c\u00e1c b\u1ea3n sao l\u01b0u t\u00e1ch bi\u1ec7t ho\u00e0n to\u00e0n kh\u1ecfi m\u1ea1ng n\u1ed9i b\u1ed9 (offline backup).<\/p>\n\n<h2 class=\"wp-block-heading\">R\u1ee7i ro t\u1eeb c\u00e1c thi\u1ebft b\u1ecb IoT v\u00e0 AI Agent<\/h2>\n\n<p>M\u1ed9t \u0111i\u1ec3m \u0111\u00e1ng l\u01b0u \u00fd trong n\u0103m 2026 l\u00e0 vi\u1ec7c tin t\u1eb7c b\u1eaft \u0111\u1ea7u khai th\u00e1c c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh (IoT) v\u00e0 c\u00e1c tr\u1ee3 l\u00fd AI (AI Agents) \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t trong v\u0103n ph\u00f2ng \u0111\u1ec3 l\u00e0m b\u00e0n \u0111\u1ea1p t\u1ea5n c\u00f4ng. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y th\u01b0\u1eddng c\u00f3 m\u1eadt kh\u1ea9u m\u1eb7c \u0111\u1ecbnh y\u1ebfu ho\u1eb7c kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt b\u1ea3n v\u00e1 th\u01b0\u1eddng xuy\u00ean, t\u1ea1o ra c\u00e1c l\u1ed7 h\u1ed5ng ti\u1ec1m t\u00e0ng trong chu\u1ed7i b\u1ea3o m\u1eadt c\u1ee7a doanh nghi\u1ec7p.<\/p>\n\n<h2 class=\"wp-block-heading\">Khuy\u1ebfn ngh\u1ecb h\u00e0nh \u0111\u1ed9ng kh\u1ea9n c\u1ea5p<\/h2>\n\n<p>\u0110\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng tr\u01b0\u1edbc nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng ransomware, c\u00e1c doanh nghi\u1ec7p v\u00e0 c\u00e1 nh\u00e2n c\u1ea7n th\u1ef1c hi\u1ec7n ngay c\u00e1c bi\u1ec7n ph\u00e1p sau:<\/p>\n<ul>\n<li><strong>Ki\u1ec3m tra l\u1ea1i quy tr\u00ecnh Backup:<\/strong> \u0110\u1ea3m b\u1ea3o d\u1eef li\u1ec7u quan tr\u1ecdng \u0111\u01b0\u1ee3c sao l\u01b0u \u0111\u1ecbnh k\u1ef3 v\u00e0 c\u00f3 \u00edt nh\u1ea5t m\u1ed9t b\u1ea3n l\u01b0u tr\u1eef offline ho\u1eb7c tr\u00ean n\u1ec1n t\u1ea3ng cloud bi\u1ec7t l\u1eadp.<\/li>\n<li><strong>C\u1eadp nh\u1eadt b\u1ea3n v\u00e1 (Patching):<\/strong> R\u00e0 so\u00e1t v\u00e0 c\u00e0i \u0111\u1eb7t ngay c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt b\u1ea3o m\u1eadt cho h\u1ec7 \u0111i\u1ec1u h\u00e0nh, tr\u00ecnh duy\u1ec7t v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng qu\u1ea3n l\u00fd t\u1eeb xa (VPN, RDP).<\/li>\n<li><strong>X\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA):<\/strong> B\u1eaft bu\u1ed9c s\u1eed d\u1ee5ng MFA cho t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i kho\u1ea3n truy c\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng n\u1ed9i b\u1ed9 v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y.<\/li>\n<li><strong>N\u00e2ng cao nh\u1eadn th\u1ee9c nh\u00e2n vi\u00ean:<\/strong> T\u1ed5 ch\u1ee9c c\u00e1c bu\u1ed5i h\u01b0\u1edbng d\u1eabn nh\u1eadn bi\u1ebft email l\u1eeba \u0111\u1ea3o (phishing) v\u00e0 c\u00e1c d\u1ea5u hi\u1ec7u b\u1ea5t th\u01b0\u1eddng tr\u00ean m\u00e1y t\u00ednh l\u00e0m vi\u1ec7c.<\/li>\n<\/ul>\n\n<p>T\u00ecnh h\u00ecnh an ninh m\u1ea1ng lu\u00f4n bi\u1ebfn \u0111\u1ed5i kh\u00f4ng ng\u1eebng. Vi\u1ec7c ch\u1ee7 \u0111\u1ed9ng ph\u00f2ng ng\u1eeba v\u00e0 c\u00f3 k\u1ecbch b\u1ea3n \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1 s\u1eb5n s\u00e0ng s\u1ebd gi\u00fap doanh nghi\u1ec7p gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a thi\u1ec7t h\u1ea1i khi c\u00f3 r\u1ee7i ro x\u1ea3y ra.<\/p>\n\n<p>&nbsp;<\/p>\n<p><em>VNCyberS t\u1ed5ng h\u1ee3p t\u1eeb: Tu\u1ed5i Tr\u1ebb, VnExpress, C\u1ee5c An to\u00e0n th\u00f4ng tin<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>C\u1ea3nh b\u00e1o kh\u1ea9n c\u1ea5p v\u1ec1 chi\u1ebfn d\u1ecbch ransomware quy m\u00f4 l\u1edbn nh\u1eafm v\u00e0o doanh nghi\u1ec7p Vi\u1ec7t Nam cu\u1ed1i th\u00e1ng 4\/2026 v\u1edbi k\u1ef9 thu\u1eadt n\u1eb1m v\u00f9ng tinh vi v\u00e0 khai th\u00e1c l\u1ed7 h\u1ed5ng IoT.<\/p>","protected":false},"author":2,"featured_media":1122,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[21,111,34,31,48],"class_list":["post-1123","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-ai","tag-bao-mat-di-dong","tag-lo-hong-bao-mat","tag-lua-dao","tag-tan-cong-mang"],"_links":{"self":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/posts\/1123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/comments?post=1123"}],"version-history":[{"count":0,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/posts\/1123\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/media\/1122"}],"wp:attachment":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/media?parent=1123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/categories?post=1123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/tags?post=1123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}