{"id":1496,"date":"2026-08-25T09:30:00","date_gmt":"2026-08-25T09:30:00","guid":{"rendered":"https:\/\/potenting.com\/vi\/blog\/what-is-website-security-what-measures-are-necessary\/"},"modified":"2026-09-28T03:56:05","modified_gmt":"2026-09-28T03:56:05","slug":"what-is-website-security-what-measures-are-necessary-vi","status":"publish","type":"post","link":"https:\/\/potenting.com\/vi\/blog\/what-is-website-security-what-measures-are-necessary\/","title":{"rendered":"B\u1ea3o m\u1eadt website l\u00e0 g\u00ec? C\u1ea7n nh\u1eefng bi\u1ec7n ph\u00e1p n\u00e0o?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1496\" class=\"elementor elementor-1496\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cee9db e-flex e-con-boxed e-con e-parent\" data-id=\"4cee9db\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-09a8337 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"09a8337\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;Kh\\u00f4ng t\\u00ecm th\\u1ea5y ti\\u00eau \\u0111\\u1ec1 n\\u00e0o tr\\u00ean trang n\\u00e0y.&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<div class=\"elementor-toc__header-title\">\n\t\t\t\tM\u1ee5c l\u1ee5c\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__09a8337\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__09a8337\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__09a8337\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2a8b18c e-flex e-con-boxed e-con e-parent\" data-id=\"2a8b18c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5c04a56 elementor-widget elementor-widget-text-editor\" data-id=\"5c04a56\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>N\u1ebfu b\u1ea1n \u0111ang b\u1eaft \u0111\u1ea7u kinh doanh tr\u1ef1c tuy\u1ebfn ho\u1eb7c c\u00f3 b\u1ea1n b\u00e8 ho\u1ea1t \u0111\u1ed9ng trong l\u0129nh v\u1ef1c n\u00e0y, h\u1eb3n b\u1ea1n \u0111\u00e3 nghe v\u00e0 th\u1ea5y r\u1ea5t nhi\u1ec1u cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 b\u1ea3o m\u1eadt c\u0169ng nh\u01b0 nh\u1eefng m\u1ed1i lo ng\u1ea1i xoay quanh n\u00f3. B\u1ea3o m\u1eadt website l\u00e0 m\u1ed9t trong nh\u1eefng n\u1ec1n t\u1ea3ng quan tr\u1ecdng v\u00e0 c\u01a1 b\u1ea3n nh\u1ea5t gi\u00fap \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 li\u00ean t\u1ee5c c\u1ee7a m\u1ed9t doanh nghi\u1ec7p, v\u00e0 n\u00f3 bao g\u1ed3m m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c bi\u1ec7n ph\u00e1p v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-aae886a e-flex e-con-boxed e-con e-parent\" data-id=\"aae886a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0b02996 elementor-widget elementor-widget-text-editor\" data-id=\"0b02996\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>V\u00ec sao b\u1ea3o m\u1eadt website l\u1ea1i quan tr\u1ecdng?<\/h2><p>Khi c\u00f4ng ngh\u1ec7 ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n, c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt c\u0169ng tr\u1edf n\u00ean tinh vi h\u01a1n. Nh\u1eefng m\u1ed1i \u0111e d\u1ecda n\u00e0y gia t\u0103ng m\u1ed7i ng\u00e0y v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a ch\u00fang li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, \u0111\u1ebfn m\u1ee9c c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng th\u1ee7 c\u1ee7a ng\u00e0y h\u00f4m qua c\u00f3 th\u1ec3 \u0111\u00e3 tr\u1edf n\u00ean d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng tr\u01b0\u1edbc c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng h\u00f4m nay. \u0110\u00f3 l\u00e0 l\u00fd do b\u1ea1n lu\u00f4n c\u1ea7n c\u1eadp nh\u1eadt ki\u1ebfn th\u1ee9c.<\/p><p>C\u00e1c m\u1ed1i \u0111e d\u1ecda n\u00e0y t\u1ed3n t\u1ea1i d\u01b0\u1edbi nhi\u1ec1u h\u00ecnh th\u1ee9c kh\u00e1c nhau v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng t\u00e1c \u0111\u1ed9ng kh\u00e1c nhau \u0111\u1ed1i v\u1edbi website. V\u00ed d\u1ee5, ch\u00fang c\u00f3 th\u1ec3 khi\u1ebfn website ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, thay \u0111\u1ed5i giao di\u1ec7n c\u1ee7a website, ho\u1eb7c th\u1eadm ch\u00ed chi\u1ebfm quy\u1ec1n ki\u1ec3m so\u00e1t v\u00e0 s\u1eed d\u1ee5ng n\u00f3 cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ea5t h\u1ee3p ph\u00e1p. Vi\u1ec7c \u0111\u00e1nh c\u1eafp th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng v\u00e0 l\u00e2y nhi\u1ec5m malware v\u00e0o h\u1ec7 th\u1ed1ng c\u1ee7a h\u1ecd th\u00f4ng qua website c\u1ee7a b\u1ea1n c\u0169ng l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 x\u1ea3y ra.<\/p><p>B\u00ean c\u1ea1nh t\u1ea5t c\u1ea3 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 website, m\u00e0 ch\u00fang t\u00f4i s\u1ebd tr\u00ecnh b\u00e0y chi ti\u1ebft b\u00ean d\u01b0\u1edbi, b\u1ea1n c\u0169ng n\u00ean ch\u00fa \u00fd \u0111\u1ebfn d\u1ecbch v\u1ee5 hosting m\u00e0 m\u00ecnh l\u1ef1a ch\u1ecdn. T\u1ed1t nh\u1ea5t l\u00e0 ch\u1ecdn m\u1ed9t d\u1ecbch v\u1ee5 hosting ph\u00f9 h\u1ee3p v\u1edbi m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cao \u0111\u1ec3 ng\u0103n ng\u1eeba nhi\u1ec1u r\u1ee7i ro ti\u1ec1m \u1ea9n. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm <a href=\"\/vi\/webhosting\/\">mua hosting<\/a> an to\u00e0n, \u0111\u00e1ng tin c\u1eady v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng, Potenting lu\u00f4n s\u1eb5n s\u00e0ng \u0111\u1ed3ng h\u00e0nh c\u00f9ng b\u1ea1n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f25eea7 e-flex e-con-boxed e-con e-parent\" data-id=\"f25eea7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a335bf4 elementor-widget elementor-widget-text-editor\" data-id=\"a335bf4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>T\u00ecm hi\u1ec3u c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt kh\u00e1c nhau<\/h2><ul><li><strong>Malware:<\/strong> Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ho\u1eb7c m\u00e3 b\u1ecb nhi\u1ec5m m\u00e0 hacker v\u00e0 t\u1ed9i ph\u1ea1m m\u1ea1ng s\u1eed d\u1ee5ng \u0111\u1ec3 truy c\u1eadp v\u00e0o website v\u00e0 th\u00f4ng tin c\u1ee7a b\u1ea1n.<\/li><li><strong>Deface (thay \u0111\u1ed5i giao di\u1ec7n tr\u00e1i ph\u00e9p):<\/strong> X\u1ea3y ra khi t\u1ed9i ph\u1ea1m m\u1ea1ng truy c\u1eadp \u0111\u01b0\u1ee3c v\u00e0o website v\u00e0 m\u00e3 ngu\u1ed3n c\u1ee7a b\u1ea1n, r\u1ed3i thay \u0111\u1ed5i giao di\u1ec7n ho\u1eb7c n\u1ed9i dung trang m\u00e0 b\u1ea1n kh\u00f4ng h\u1ec1 hay bi\u1ebft. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, th\u00f4ng tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p nguy hi\u1ec3m.<\/li><li><strong>T\u1ea5n c\u00f4ng DoS v\u00e0 DDoS:<\/strong> Trong c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y, m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn bot g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7 c\u1ee7a website, khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng h\u1ee3p l\u1ec7 kh\u00f4ng th\u1ec3 truy c\u1eadp website.<\/li><li>V\u00e0 nhi\u1ec1u m\u1ed1i \u0111e d\u1ecda kh\u00e1c&#8230;<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7e46904 e-flex e-con-boxed e-con e-parent\" data-id=\"7e46904\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7271da5 elementor-widget elementor-widget-text-editor\" data-id=\"7271da5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>C\u00e1c bi\u1ec7n ph\u00e1p duy tr\u00ec b\u1ea3o m\u1eadt website<\/h2><p>D\u01b0\u1edbi \u0111\u00e2y, ch\u00fang ta s\u1ebd c\u00f9ng xem x\u00e9t nh\u1eefng b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t b\u1ea1n n\u00ean th\u1ef1c hi\u1ec7n \u0111\u1ec3 duy tr\u00ec b\u1ea3o m\u1eadt cho website c\u1ee7a m\u00ecnh.<\/p><ul><li><h3>C\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">V\u1edbi nhi\u1ec1u ng\u01b0\u1eddi, vi\u1ec7c c\u1eadp nh\u1eadt c\u00f3 v\u1ebb kh\u00f4ng m\u1ea5y quan tr\u1ecdng, nh\u01b0ng b\u1ea1n n\u00ean bi\u1ebft r\u1eb1ng n\u1ebfu c\u1ee9 tr\u00ec ho\u00e3n c\u1eadp nh\u1eadt, b\u1ea1n \u0111ang v\u00f4 t\u00ecnh bi\u1ebfn website c\u1ee7a m\u00ecnh th\u00e0nh m\u1ee5c ti\u00eau d\u1ec5 d\u00e0ng cho hacker v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng. Khi m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh nh\u1eadn \u0111\u01b0\u1ee3c b\u1ea3n c\u1eadp nh\u1eadt, \u0111i\u1ec1u \u0111\u00f3 th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 c\u00e1c l\u1ed7 h\u1ed5ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 kh\u1eafc ph\u1ee5c. B\u1eb1ng c\u00e1ch lu\u00f4n c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m, b\u1ea1n lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c nh\u1eefng l\u1ed7 h\u1ed5ng n\u00e0y. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu kh\u00f4ng l\u00e0m v\u1eady, b\u1ea1n \u0111ang m\u1eafc ph\u1ea3i m\u1ed9t sai l\u1ea7m nghi\u00eam tr\u1ecdng.<\/p><ul><li><h3>S\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 SSL<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">May m\u1eafn l\u00e0, ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng coi tr\u1ecdng ch\u1ee9ng ch\u1ec9 SSL, Google v\u1eabn xem c\u00e1c website kh\u00f4ng c\u00f3 SSL l\u00e0 c\u00f3 r\u1ee7i ro b\u1ea3o m\u1eadt, ngh\u0129a l\u00e0 \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 n\u00e0o \u0111\u00f3, b\u1ea1n bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng n\u00f3. Ch\u1ee9ng ch\u1ec9 SSL m\u00e3 h\u00f3a d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c trao \u0111\u1ed5i gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7. N\u1ebfu ai \u0111\u00f3 c\u1ed1 g\u1eafng truy c\u1eadp d\u1eef li\u1ec7u trong qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ea3i, vi\u1ec7c m\u00e3 h\u00f3a s\u1ebd ng\u0103n ch\u1eb7n \u0111i\u1ec1u \u0111\u00f3. C\u00e1c tr\u00ecnh duy\u1ec7t c\u0169ng r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 SSL v\u00e0 s\u1ebd th\u00f4ng b\u00e1o cho ng\u01b0\u1eddi d\u00f9ng bi\u1ebft website c\u00f3 an to\u00e0n hay kh\u00f4ng khi h\u1ecd truy c\u1eadp.<\/p><ul><li><h3>Gi\u00e1m s\u00e1t m\u00e1y ch\u1ee7<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">Gi\u00e1m s\u00e1t m\u00e1y ch\u1ee7 li\u00ean t\u1ee5c gi\u00fap \u0111\u1ea3m b\u1ea3o m\u00e1y ch\u1ee7 v\u00e0 website c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. N\u1ebfu x\u1ea3y ra s\u1ef1 c\u1ed1 ho\u1eb7c gi\u00e1n \u0111o\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n nhanh ch\u00f3ng v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng v\u1ec7. Vi\u1ec7c gi\u00e1m s\u00e1t c\u0169ng c\u00f3 th\u1ec3 c\u1ea3nh b\u00e1o b\u1ea1n v\u1ec1 c\u00e1c v\u1ea5n \u0111\u1ec1 b\u1ea3o m\u1eadt ti\u1ec1m \u1ea9n, gi\u00fap b\u1ea1n k\u1ecbp th\u1eddi x\u1eed l\u00fd tr\u01b0\u1edbc khi ch\u00fang tr\u1edf n\u00ean nghi\u00eam tr\u1ecdng h\u01a1n.<\/p><ul><li><h3>Sao l\u01b0u d\u1eef li\u1ec7u<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">C\u00e1c bi\u1ec7n ph\u00e1p tr\u00ean kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o 100% r\u1eb1ng website c\u1ee7a b\u1ea1n s\u1ebd kh\u00f4ng bao gi\u1edd g\u1eb7p s\u1ef1 c\u1ed1. \u0110\u00f3 l\u00e0 l\u00fd do vi\u1ec7c sao l\u01b0u \u0111\u1ecbnh k\u1ef3 l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu. N\u1ebfu d\u1eef li\u1ec7u website b\u1ecb m\u1ea5t do s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt ho\u1eb7c b\u1ecb malware x\u00e2m h\u1ea1i, b\u1ea1n v\u1eabn s\u1ebd c\u00f3 m\u1ed9t b\u1ea3n sao an to\u00e0n v\u00e0 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i.<\/p><ul><li><h3>Gi\u1edbi h\u1ea1n quy\u1ec1n truy c\u1eadp v\u00e0 \u00e1p d\u1ee5ng nguy\u00ean t\u1eafc \u0111\u1eb7c quy\u1ec1n t\u1ed1i thi\u1ec3u<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">M\u1ed9t trong nh\u1eefng c\u00e1ch quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 n\u00e2ng cao b\u1ea3o m\u1eadt website l\u00e0 ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd nh\u1eefng ai c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o website, m\u00e1y ch\u1ee7 v\u00e0 c\u00e1c t\u00e0i nguy\u00ean c\u1ee7a n\u00f3. Kh\u00f4ng ph\u1ea3i ng\u01b0\u1eddi d\u00f9ng hay nh\u00e2n vi\u00ean n\u00e0o c\u0169ng c\u1ea7n truy c\u1eadp v\u00e0o m\u1ecdi ph\u1ea7n c\u1ee7a website. Nguy\u00ean t\u1eafc \u0111\u1eb7c quy\u1ec1n t\u1ed1i thi\u1ec3u (Principle of Least Privilege \u2013 PoLP) c\u00f3 ngh\u0129a l\u00e0 m\u1ed7i ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 n\u00ean c\u00f3 m\u1ee9c quy\u1ec1n truy c\u1eadp t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh. B\u1eb1ng c\u00e1ch gi\u1edbi h\u1ea1n quy\u1ec1n h\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i ti\u1ec1m \u1ea9n n\u1ebfu m\u1ed9t t\u00e0i kho\u1ea3n b\u1ecb x\u00e2m ph\u1ea1m. V\u00ed d\u1ee5, m\u1ed9t qu\u1ea3n tr\u1ecb vi\u00ean website th\u00f4ng th\u01b0\u1eddng kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 nh\u1ea1y c\u1ea3m ho\u1eb7c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u. Th\u01b0\u1eddng xuy\u00ean r\u00e0 so\u00e1t c\u00e1c t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng v\u00e0 lo\u1ea1i b\u1ecf nh\u1eefng quy\u1ec1n kh\u00f4ng c\u1ea7n thi\u1ebft c\u0169ng gi\u00fap website c\u1ee7a b\u1ea1n an to\u00e0n h\u01a1n.<\/p><ul><li><h3>S\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF)<\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">T\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (Web Application Firewall \u2013 WAF) l\u00e0 m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt gi\u00e1m s\u00e1t v\u00e0 l\u1ecdc l\u01b0u l\u01b0\u1ee3ng gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 website c\u1ee7a b\u1ea1n. WAF c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 ch\u1eb7n nhi\u1ec1u lo\u1ea1i y\u00eau c\u1ea7u \u0111\u1ed9c h\u1ea1i tr\u01b0\u1edbc khi ch\u00fang \u0111\u1ebfn \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng web ho\u1eb7c m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n. WAF c\u00f3 th\u1ec3 gi\u00fap b\u1ea3o v\u1ec7 website tr\u01b0\u1edbc c\u00e1c m\u1ed1i \u0111e d\u1ecda ph\u1ed5 bi\u1ebfn nh\u01b0 SQL injection, Cross-Site Scripting (XSS), bot \u0111\u1ed9c h\u1ea1i v\u00e0 m\u1ed9t s\u1ed1 h\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng \u1edf t\u1ea7ng \u1ee9ng d\u1ee5ng. Vi\u1ec7c s\u1eed d\u1ee5ng WAF kh\u00f4ng thay th\u1ebf \u0111\u01b0\u1ee3c c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt kh\u00e1c, nh\u01b0ng c\u00f3 th\u1ec3 b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 v\u00e0 gi\u1ea3m t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec1u cu\u1ed9c t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn.<\/p><ul><li><h3>Ph\u00f2ng ch\u1ed1ng t\u1ea5n c\u00f4ng Brute-Force <span style=\"font-size: 16px;\">(d\u00f2 m\u1eadt kh\u1ea9u)<\/span><\/h3><\/li><\/ul><p style=\"padding-left: 40px;\">T\u1ea5n c\u00f4ng brute-force x\u1ea3y ra khi k\u1ebb t\u1ea5n c\u00f4ng li\u00ean t\u1ee5c th\u1eed c\u00e1c t\u1ed5 h\u1ee3p t\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1eadt kh\u1ea9u kh\u00e1c nhau \u0111\u1ec3 truy c\u1eadp v\u00e0o m\u1ed9t t\u00e0i kho\u1ea3n. Nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m \u0111\u1ed1i v\u1edbi c\u00e1c trang \u0111\u0103ng nh\u1eadp, t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb vi\u00ean v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c s\u1eed d\u1ee5ng x\u00e1c th\u1ef1c b\u1eb1ng m\u1eadt kh\u1ea9u. \u0110\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh v\u00e0 ri\u00eang bi\u1ec7t, b\u1eadt x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA) b\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 th\u1ec3 v\u00e0 gi\u1edbi h\u1ea1n s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp th\u1ea5t b\u1ea1i li\u00ean ti\u1ebfp. C\u00e1c bi\u1ec7n ph\u00e1p b\u1ed5 sung nh\u01b0 kh\u00f3a t\u00e0i kho\u1ea3n, gi\u1edbi h\u1ea1n t\u1ea7n su\u1ea5t \u0111\u0103ng nh\u1eadp, CAPTCHA v\u00e0 gi\u00e1m s\u00e1t ho\u1ea1t \u0111\u1ed9ng \u0111\u0103ng nh\u1eadp \u0111\u00e1ng ng\u1edd c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng brute-force tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n nhi\u1ec1u \u0111\u1ed1i v\u1edbi k\u1ebb t\u1ea5n c\u00f4ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fa07b2 elementor-widget elementor-widget-image\" data-id=\"4fa07b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"602\" height=\"400\" src=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/08\/Measures-to-Maintain-Website-Security.webp\" class=\"attachment-large size-large wp-image-880\" alt=\"Measures to Maintain Website Security\" srcset=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/08\/Measures-to-Maintain-Website-Security.webp 602w, https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/08\/Measures-to-Maintain-Website-Security-300x199.webp 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-70c15d2 e-flex e-con-boxed e-con e-parent\" data-id=\"70c15d2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce598d1 elementor-widget elementor-widget-text-editor\" data-id=\"ce598d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>T\u1ed5ng k\u1ebft: B\u1ea3o m\u1eadt website \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn doanh nghi\u1ec7p nh\u01b0 th\u1ebf n\u00e0o?<\/h2><p>B\u1ea3o m\u1eadt website c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi doanh nghi\u1ec7p v\u00ec n\u00f3 b\u1ea3o v\u1ec7 th\u00f4ng tin nh\u1ea1y c\u1ea3m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 doanh nghi\u1ec7p tr\u01b0\u1edbc c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1ea1ng nh\u01b0 t\u1ea5n c\u00f4ng DDoS, SQL injection v\u00e0 malware. Tu\u00e2n th\u1ee7 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o m\u1eadt t\u1ed1t nh\u1ea5t c\u0169ng gi\u00fap ng\u0103n ng\u1eeba gi\u00e1n \u0111o\u1ea1n website, t\u1ed5n th\u1ea5t t\u00e0i ch\u00ednh, t\u1ed5n h\u1ea1i danh ti\u1ebfng th\u01b0\u01a1ng hi\u1ec7u v\u00e0 c\u00e1c ch\u1ebf t\u00e0i ph\u00e1p l\u00fd. B\u1eb1ng c\u00e1ch duy tr\u00ec t\u00ednh b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c c\u1ee7a website, c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt v\u1eefng ch\u1eafc c\u00f2n g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 SEO v\u00e0 gia t\u0103ng ni\u1ec1m tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-09bc517 e-flex e-con-boxed e-con e-parent\" data-id=\"09bc517\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-dd0f9cc e-con-full e-flex e-con e-child\" data-id=\"dd0f9cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0e64c2b elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"0e64c2b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-question-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 448c-110.532 0-200-89.431-200-200 0-110.495 89.472-200 200-200 110.491 0 200 89.471 200 200 0 110.53-89.431 200-200 200zm107.244-255.2c0 67.052-72.421 68.084-72.421 92.863V300c0 6.627-5.373 12-12 12h-45.647c-6.627 0-12-5.373-12-12v-8.659c0-35.745 27.1-50.034 47.579-61.516 17.561-9.845 28.324-16.541 28.324-29.579 0-17.246-21.999-28.693-39.784-28.693-23.189 0-33.894 10.977-48.942 29.969-4.057 5.12-11.46 6.071-16.666 2.124l-27.824-21.098c-5.107-3.872-6.251-11.066-2.644-16.363C184.846 131.491 214.94 112 261.794 112c49.071 0 101.45 38.304 101.45 88.8zM298 368c0 23.159-18.841 42-42 42s-42-18.841-42-42 18.841-42 42-42 42 18.841 42 42z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d3fd007 e-con-full e-flex e-con e-child\" data-id=\"d3fd007\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e64d16f elementor-widget elementor-widget-text-editor\" data-id=\"e64d16f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d61f8fb elementor-widget elementor-widget-text-editor\" data-id=\"d61f8fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>1. Nh\u1eefng m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt website ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 g\u00ec?<\/h3><p style=\"padding-left: 40px;\">C\u00e1c m\u1ed1i \u0111e d\u1ecda ph\u1ed5 bi\u1ebfn bao g\u1ed3m malware, thay \u0111\u1ed5i giao di\u1ec7n website tr\u00e1i ph\u00e9p (deface), t\u1ea5n c\u00f4ng DoS v\u00e0 DDoS, SQL injection, \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u v\u00e0 truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f88f55 elementor-widget elementor-widget-text-editor\" data-id=\"6f88f55\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>2. V\u00ec sao vi\u1ec7c c\u1eadp nh\u1eadt website th\u01b0\u1eddng xuy\u00ean l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi b\u1ea3o m\u1eadt?<\/h3><p style=\"padding-left: 40px;\"> C\u00e1c b\u1ea3n c\u1eadp nh\u1eadt th\u01b0\u1eddng kh\u1eafc ph\u1ee5c nh\u1eefng l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn. Tr\u00ec ho\u00e3n c\u1eadp nh\u1eadt c\u00f3 th\u1ec3 khi\u1ebfn website c\u1ee7a b\u1ea1n d\u1ec5 b\u1ecb hacker v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng khai th\u00e1c.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>N\u1ebfu b\u1ea1n \u0111ang b\u1eaft \u0111\u1ea7u kinh doanh tr\u1ef1c tuy\u1ebfn ho\u1eb7c c\u00f3 b\u1ea1n b\u00e8 ho\u1ea1t \u0111\u1ed9ng trong l\u0129nh v\u1ef1c n\u00e0y, h\u1eb3n b\u1ea1n \u0111\u00e3 nghe v\u00e0 th\u1ea5y r\u1ea5t nhi\u1ec1u cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 b\u1ea3o m\u1eadt c\u0169ng nh\u01b0 nh\u1eefng m\u1ed1i lo ng\u1ea1i xoay quanh n\u00f3. B\u1ea3o m\u1eadt website l\u00e0 m\u1ed9t trong nh\u1eefng n\u1ec1n t\u1ea3ng quan tr\u1ecdng v\u00e0 c\u01a1 [\u2026]<\/p>\n","protected":false},"author":7,"featured_media":847,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1496","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>B\u1ea3o m\u1eadt website: C\u00e1c c\u00e1ch thi\u1ebft y\u1ebfu \u0111\u1ec3 b\u1ea3o v\u1ec7 website<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u v\u00ec sao b\u1ea3o m\u1eadt website quan tr\u1ecdng v\u00e0 c\u00e1c c\u00e1ch thi\u1ebft y\u1ebfu \u0111\u1ec3 b\u1ea3o v\u1ec7 website kh\u1ecfi m\u1ed1i \u0111e d\u1ecda m\u1ea1ng, malware, t\u1ea5n c\u00f4ng DDoS v\u00e0 m\u1ea5t d\u1eef li\u1ec7u.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/potenting.com\/vi\/blog\/what-is-website-security-what-measures-are-necessary\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u1ea3o m\u1eadt website: C\u00e1c c\u00e1ch thi\u1ebft y\u1ebfu \u0111\u1ec3 b\u1ea3o v\u1ec7 website\" \/>\n<meta property=\"og:description\" content=\"T\u00ecm hi\u1ec3u v\u00ec sao b\u1ea3o m\u1eadt website quan tr\u1ecdng v\u00e0 c\u00e1c c\u00e1ch thi\u1ebft y\u1ebfu \u0111\u1ec3 b\u1ea3o v\u1ec7 website kh\u1ecfi m\u1ed1i \u0111e d\u1ecda m\u1ea1ng, malware, t\u1ea5n c\u00f4ng DDoS v\u00e0 m\u1ea5t d\u1eef li\u1ec7u.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/potenting.com\/vi\/blog\/what-is-website-security-what-measures-are-necessary\/\" \/>\n<meta property=\"og:site_name\" content=\"Potenting Blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-25T09:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-28T03:56:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/08\/How-to-Secure-Your-Website.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"966\" \/>\n\t<meta property=\"og:image:height\" content=\"665\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Nina Ash\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nina Ash\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"13 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/potenting.com\\\/vi\\\/blog\\\/what-is-website-security-what-measures-are-necessary\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/potenting.com\\\/vi\\\/blog\\\/what-is-website-security-what-measures-are-necessary\\\/\"},\"author\":{\"name\":\"Nina Ash\",\"@id\":\"https:\\\/\\\/potenting.com\\\/blog\\\/#\\\/schema\\\/person\\\/743a7b4616c4d55a0ed17f5ac379fcdb\"},\"headline\":\"B\u1ea3o m\u1eadt website l\u00e0 g\u00ec? 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