{"id":114771,"date":"2025-06-11T18:36:56","date_gmt":"2025-06-11T11:36:56","guid":{"rendered":"https:\/\/tino.vn\/blog\/?p=114771"},"modified":"2026-01-02T17:54:22","modified_gmt":"2026-01-02T10:54:22","slug":"huong-dan-bao-mat-wordpress","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/huong-dan-bao-mat-wordpress\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn b\u1ea3o m\u1eadt WordPress 2026: 13+ Bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 website kh\u1ecfi hacker!"},"content":{"rendered":"\n<p><strong>H\u00e0ng ngh\u00ecn website WordPress \u0111ang \u0111\u1ed1i m\u1eb7t nguy c\u01a1 t\u1ea5n c\u00f4ng m\u1ed7i ng\u00e0y do thi\u1ebfu b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n. Theo <\/strong><a href=\"https:\/\/sucuri.net\/reports\/sitecheck-mid-year-2024-report\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>Sucuri n\u0103m 2024<\/strong><\/a><strong>: c\u00f3 83% c\u00e1c website b\u1ecb t\u1ea5n c\u00f4ng l\u00e0 t\u1eeb c\u00e1c n\u1ec1n t\u1ea3ng CMS, trong \u0111\u00f3 WordPress chi\u1ebfm 43.2% t\u1ed5ng s\u1ed1 website tr\u00ean Internet. Vi\u1ec7c t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u m\u00e0 c\u00f2n c\u1ee7ng c\u1ed1 ni\u1ec1m tin v\u1edbi kh\u00e1ch h\u00e0ng. Tino s\u1ebd chia s\u1ebb 13+ bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt WordPress to\u00e0n di\u1ec7n gi\u00fap b\u1ea1n b\u1ea3o v\u1ec7 website hi\u1ec7u qu\u1ea3 trong n\u0103m 2026.<\/strong><\/p>\n\n\n\n<h2 id=\"T\u1ea1i_sao_b\u1ea3o_m\u1eadt_WordPress_l\u00e0_\u01b0u_ti\u00ean_h\u00e0ng_\u0111\u1ea7u_n\u0103m_2026?_\"><a id=\"post-114771-_xt4t948f7tn5\"><\/a>T\u1ea1i sao b\u1ea3o m\u1eadt WordPress l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u n\u0103m 2026? <\/h2>\n\n\n\n<p>B\u1ea3o m\u1eadt<a href=\"https:\/\/tino.vn\/blog\/wordpress-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\"> WordPress<\/a> kh\u00f4ng ch\u1ec9 l\u00e0 ph\u00f2ng th\u1ee7 d\u1eef li\u1ec7u m\u00e0 c\u00f2n l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a website trong k\u1ef7 nguy\u00ean s\u1ed1. N\u0103m 2026, v\u1edbi <a href=\"https:\/\/www.mobiloud.com\/blog\/cms-market-share\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">43.3%<\/a> t\u1ed5ng s\u1ed1 website to\u00e0n c\u1ea7u s\u1eed d\u1ee5ng WordPress, n\u1ec1n t\u1ea3ng n\u00e0y tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a tin t\u1eb7c. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-2.png\" alt=\"T\u1ea1i sao b\u1ea3o m\u1eadt WordPress l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u n\u0103m 2026?\" class=\"wp-image-114773\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-2.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-2-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>T\u1ea1i sao b\u1ea3o m\u1eadt WordPress l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u n\u0103m 2026?<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>Nh\u1eefng con s\u1ed1 \u0111\u00e1ng b\u00e1o \u0111\u1ed9ng:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.getastra.com\/blog\/security-audit\/hacking-statistics\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">H\u01a1n 90.000 <\/a>cu\u1ed9c t\u1ea5n c\u00f4ng WordPress m\u1ed7i ph\u00fat.<\/li>\n\n\n\n<li><a href=\"https:\/\/wpscan.com\/statistics\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">73% website WordPress <\/a>c\u00f3 \u00edt nh\u1ea5t m\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt.<\/li>\n\n\n\n<li>Chi ph\u00ed trung b\u00ecnh \u0111\u1ec3 kh\u1eafc ph\u1ee5c m\u1ed9t website b\u1ecb t\u1ea5n c\u00f4ng dao \u0111\u1ed9ng t\u1eeb<a href=\"https:\/\/tinyblueorange.com\/cost-of-being-hacked\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"> $3.000 \u0111\u1ebfn $10.000<\/a>.<\/li>\n<\/ul>\n\n\n\n<p><strong>T\u1ea1i sao WordPress l\u1ea1i l\u00e0 m\u1ee5c ti\u00eau h\u00e0ng \u0111\u1ea7u?<\/strong>\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u1ecb ph\u1ea7n l\u1edbn: S\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a WordPress h\u1ea5p d\u1eabn c\u00e1c hacker. <\/li>\n\n\n\n<li>\n  H\u1ec7 sinh th\u00e1i plugin \u0111a d\u1ea1ng: H\u01a1n 60.000 plugin t\u1ea1o ra nhi\u1ec1u \u0111i\u1ec3m y\u1ebfu ti\u1ec1m \u1ea9n.\n<\/li>\n\n\n\n<li>\n  M\u00e3 ngu\u1ed3n m\u1edf: Hacker d\u1ec5 d\u00e0ng nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t hi\u1ec7n l\u1ed7 h\u1ed5ng.\n<\/li>\n\n\n\n<li>\n  Ng\u01b0\u1eddi d\u00f9ng thi\u1ebfu kinh nghi\u1ec7m: Nhi\u1ec1u qu\u1ea3n tr\u1ecb vi\u00ean b\u1ecf qua c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n.\n<\/li>\n<\/ul>\n\n\n\n<p>\n  \u0110\u1eb7c bi\u1ec7t, Google s\u1ebd ph\u1ea1t n\u1eb7ng c\u00e1c website kh\u00f4ng an to\u00e0n b\u1eb1ng c\u00e1ch <a href=\"https:\/\/www.gogomarketing.co.uk\/understanding-google-penalties-in-2025\/\" rel=\"nofollow noopener\" target=\"_blank\">gi\u1ea3m t\u1edbi 50% th\u1ee9 h\u1ea1ng SEO<\/a> v\u00e0o n\u0103m 2026. Do \u0111\u00f3, \u0111\u1ea7u t\u01b0 v\u00e0o b\u1ea3o m\u1eadt WordPress l\u00e0 b\u1ea3o v\u1ec7 t\u01b0\u01a1ng lai kinh doanh tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n.\n<\/p>\n\n\n\n<h2 id=\"Th\u1ed1ng_k\u00ea_t\u1ea5n_c\u00f4ng_WordPress_2026_&#8211;_D\u1eef_li\u1ec7u_m\u1edbi_nh\u1ea5t\"><a id=\"post-114771-_i0i9vodwmfci\"><\/a>Th\u1ed1ng k\u00ea t\u1ea5n c\u00f4ng WordPress 2026 &#8211; D\u1eef li\u1ec7u m\u1edbi nh\u1ea5t<\/h2>\n\n\n\n<h3 id=\"Top_5_ki\u1ec3u_t\u1ea5n_c\u00f4ng_ph\u1ed5_bi\u1ebfn\"><a id=\"post-114771-_z9pwbfsmgo0b\"><\/a><strong>Top 5 ki\u1ec3u t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn<\/strong><\/h3>\n\n\n\n<p>\n  N\u0103m 2026 ch\u1ee9ng ki\u1ebfn s\u1ef1 gia t\u0103ng c\u1ea3 v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng v\u00e0 m\u1ee9c \u0111\u1ed9 tinh vi c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u1eafm v\u00e0o WordPress. N\u1eafm b\u1eaft c\u00e1c m\u1ed1i \u0111e d\u1ecda n\u00e0y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 b\u1ea3o v\u1ec7 website c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 5 ki\u1ec3u t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn 2026.\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-3.png\" alt=\"Top 5 ki\u1ec3u t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn\" class=\"wp-image-114774\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-3.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-3-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Top 5 ki\u1ec3u t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 id=\"3_xu_h\u01b0\u1edbng_t\u1ea5n_c\u00f4ng_m\u1edbi_2026\"><a id=\"post-114771-_kzkr29mfx6av\"><\/a><strong>3 xu h\u01b0\u1edbng t\u1ea5n c\u00f4ng m\u1edbi 2026<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng AI (AI-powered attacks):<\/strong> T\u0103ng nhi\u1ec1u so v\u1edbi n\u0103m 2024, cho ph\u00e9p hacker t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c chi\u1ebfn d\u1ecbch t\u1ea5n c\u00f4ng.\n<\/li>\n\n\n\n<li><strong>T\u1ea5n c\u00f4ng chu\u1ed7i cung \u1ee9ng (Supply chain attacks):<\/strong> Nh\u1eafm v\u00e0o c\u00e1c plugin v\u00e0 theme c\u1ee7a b\u00ean th\u1ee9 ba, l\u00e2y nhi\u1ec5m m\u00e3 \u0111\u1ed9c ngay t\u1eeb ngu\u1ed3n.\n<\/li>\n\n\n\n<li><strong>T\u1ea5n c\u00f4ng phi k\u1ef9 thu\u1eadt (Social engineering):<\/strong> T\u1eadp trung l\u1eeba \u0111\u1ea3o \u0111\u1ec3 chi\u1ebfm \u0111o\u1ea1t th\u00f4ng tin \u0111\u0103ng nh\u1eadp qu\u1ea3n tr\u1ecb vi\u00ean.\n<\/li>\n<\/ul>\n\n\n\n<p>\n  Vi\u1ec7c nh\u1eadn di\u1ec7n c\u00e1c m\u1ed1i \u0111e d\u1ecda n\u00e0y s\u1ebd gi\u00fap b\u1ea1n ch\u1ee7 \u0111\u1ed9ng h\u01a1n trong vi\u1ec7c tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt hi\u1ec7u qu\u1ea3.\n<\/p>\n\n\n\n<h2 id=\"C\u00e1c_nguy_c\u01a1_b\u1ea3o_m\u1eadt_WordPress_ph\u1ed5_bi\u1ebfn\"><a id=\"post-114771-_s264roqekrt7\"><\/a>C\u00e1c nguy c\u01a1 b\u1ea3o m\u1eadt WordPress ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n<p>\n  Hi\u1ec3u r\u00f5 c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 b\u1ea3o v\u1ec7 website WordPress c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng nguy c\u01a1 h\u00e0ng \u0111\u1ea7u m\u00e0 b\u1ea1n c\u1ea7n \u0111\u1eb7c bi\u1ec7t l\u01b0u \u00fd:\n<\/p>\n\n\n\n<h3 id=\"M\u1ee9c_\u0111\u1ed9_nguy_hi\u1ec3m_c\u1ef1c_cao\"><a id=\"post-114771-_hggvtspw6kbm\"><\/a><strong>M\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m c\u1ef1c cao<\/strong><\/h3>\n\n\n\n<p><strong>M\u1eadt kh\u1ea9u y\u1ebfu v\u00e0 t\u1ea5n c\u00f4ng Brute Force<\/strong>\n<\/p>\n\n\n\n<p>\n   \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u0111i\u1ec3m y\u1ebfu ph\u1ed5 bi\u1ebfn nh\u1ea5t. Th\u1ef1c t\u1ebf \u0111\u00e1ng b\u00e1o \u0111\u1ed9ng l\u00e0 r\u1ea5t nhi\u1ec1u website WordPress v\u1eabn s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u d\u01b0\u1edbi 8 k\u00fd t\u1ef1 v\u00e0 c\u00e1c chu\u1ed7i \u0111\u01a1n gi\u1ea3n nh\u01b0 &#8220;admin\/admin123\/password&#8221; v\u1eabn r\u1ea5t ph\u1ed5 bi\u1ebfn. H\u1eadu qu\u1ea3 l\u00e0 tin t\u1eb7c c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng chi\u1ebfm quy\u1ec1n \u0111i\u1ec1u khi\u1ec3n ho\u00e0n to\u00e0n website, c\u00e0i \u0111\u1eb7t backdoor v\u00e0 \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u kh\u00e1ch h\u00e0ng quan tr\u1ecdng.\n<\/p>\n\n\n\n<p><strong>Plugin v\u00e0 Theme l\u1ed7i th\u1eddi<\/strong> \n<\/p>\n\n\n\n<p>Plugin v\u00e0 theme l\u00e0 tr\u00e1i tim c\u1ee7a WordPress, nh\u01b0ng ch\u00fang c\u0169ng l\u00e0 con dao hai l\u01b0\u1ee1i n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1ed1t. <a href=\"https:\/\/www.dreamhost.com\/blog\/abandoned-plugins\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>97% l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt<\/strong><\/a><strong> \u0111\u1ebfn t\u1eeb plugin <\/strong>v\u00e0 ch\u1ec9 0.2% t\u1eeb WordPress core.Vi\u1ec7c kh\u00f4ng c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean s\u1ebd m\u1edf toang c\u00e1nh c\u1eeda cho c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng khai th\u00e1c l\u1ed7 h\u1ed5ng \u0111\u00e3 bi\u1ebft.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-4.png\" alt=\"C\u00e1c nguy c\u01a1 b\u1ea3o m\u1eadt WordPress ph\u1ed5 bi\u1ebfn\" class=\"wp-image-114775\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-4.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-4-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>C\u00e1c nguy c\u01a1 b\u1ea3o m\u1eadt WordPress ph\u1ed5 bi\u1ebfn<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 id=\"M\u1ee9c_\u0111\u1ed9_nguy_hi\u1ec3m_cao\"><a id=\"post-114771-_wmbr0wr3e010\"><\/a><strong>M\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m cao<\/strong><\/h3>\n\n\n\n<p><strong>Thi\u1ebfu SSL Certificate<\/strong> \n<\/p>\n\n\n\n<p>Thi\u1ebfu ch\u1ee9ng ch\u1ec9 SSL (Secure Sockets Layer) kh\u00f4ng ch\u1ec9 khi\u1ebfn website c\u1ee7a b\u1ea1n b\u1ecb Google \u0111\u00e1nh d\u1ea5u <strong>&#8220;Not Secure<\/strong>&#8221; tr\u00ean tr\u00ecnh duy\u1ec7t m\u00e0 c\u00f2n l\u00e0m m\u1ea5t t\u1edbi <a href=\"https:\/\/jonroc.com\/no-ssl-46-of-visitors-are-leaving-your-site-brand\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">46%<\/a> l\u01b0\u1ee3ng truy c\u1eadp do ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng tin t\u01b0\u1edfng. Nghi\u00eam tr\u1ecdng h\u01a1n, th\u1ee9 h\u1ea1ng SEO c\u1ee7a b\u1ea1n s\u1ebd gi\u1ea3m m\u1ea1nh, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n<p><strong>Kh\u00f4ng c\u00f3 Web Application Firewall (WAF)<\/strong> \n<\/p>\n\n\n\n<p>\n  Kh\u00f4ng trang b\u1ecb t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF) \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c website c\u1ee7a b\u1ea1n \u201c\u0111\u1ed1i m\u1eb7t tr\u1ef1c ti\u1ebfp\u201d tr\u01b0\u1edbc v\u00f4 v\u00e0n cu\u1ed9c t\u1ea5n c\u00f4ng. WAF c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c l\u1ecdc b\u1ecf l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i tr\u01b0\u1edbc khi ch\u00fang ti\u1ebfp c\u1eadn website, b\u1ea3o v\u1ec7 b\u1ea1n kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda nh\u01b0 SQL Injection hay Cross-Site Scripting.\n<\/p>\n\n\n\n<h3 id=\"C\u00e1c_nguy_c\u01a1_b\u1ea3o_m\u1eadt_kh\u00e1c\"><a id=\"post-114771-_hmt2c0oima9x\"><\/a><strong>C\u00e1c nguy c\u01a1 b\u1ea3o m\u1eadt kh\u00e1c<\/strong><\/h3>\n\n\n\n<p><strong>M\u00e3 \u0111\u1ed9c (Malware)<\/strong>\n<\/p>\n\n\n\n<p>M\u00e3 \u0111\u1ed9c th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o website th\u00f4ng qua c\u00e1c plugin ho\u1eb7c <a href=\"https:\/\/tino.vn\/blog\/cau-truc-theme-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">giao di\u1ec7n (theme)<\/a> kh\u00f4ng an to\u00e0n. Ch\u00fang c\u00f3 th\u1ec3 l\u00e0m h\u1ea1i d\u1eef li\u1ec7u, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a trang web v\u00e0 th\u1eadm ch\u00ed g\u00e2y nguy hi\u1ec3m cho ng\u01b0\u1eddi d\u00f9ng. <\/p>\n\n\n\n<p><strong>T\u1ea5n c\u00f4ng ch\u00e8n m\u00e3 \u0111\u1ed9c (XSS)<\/strong>\n<\/p>\n\n\n\n<p>\n  \u0110\u00e2y l\u00e0 h\u00ecnh th\u1ee9c k\u1ebb t\u1ea5n c\u00f4ng ch\u00e8n m\u00e3 \u0111\u1ed9c v\u00e0o c\u00e1c bi\u1ec3u m\u1eabu ho\u1eb7c URL c\u1ee7a website, t\u1eeb \u0111\u00f3 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng b\u1ea5t l\u1ee3i tr\u00ean tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng m\u00e0 h\u1ecd kh\u00f4ng h\u1ec1 hay bi\u1ebft.\n<\/p>\n\n\n\n<p><strong>T\u1ea5n c\u00f4ng gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u (CSRF)<\/strong>\n<\/p>\n\n\n\n<p>\n  K\u1ebb t\u1ea5n c\u00f4ng l\u1eeba ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u00f4ng mong mu\u1ed1n tr\u00ean website m\u00e0 h\u1ecd \u0111\u00e3 \u0111\u0103ng nh\u1eadp, ch\u1eb3ng h\u1ea1n nh\u01b0 thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t ho\u1eb7c th\u1ef1c hi\u1ec7n giao d\u1ecbch kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p.\n<\/p>\n\n\n\n<p><strong>T\u1ea5n c\u00f4ng DDoS (T\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n)<\/strong>\n<\/p>\n\n\n\n<p>Hacker g\u1eedi l\u01b0\u1ee3ng l\u1edbn truy c\u1eadp gi\u1ea3 m\u1ea1o \u0111\u1ec3 l\u00e0m qu\u00e1 t\u1ea3i m\u00e1y ch\u1ee7, khi\u1ebfn website kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c v\u00e0 gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng. \u0110\u00f3 l\u00e0 <a href=\"https:\/\/tino.vn\/blog\/ddos-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">hi\u1ec7n t\u01b0\u1ee3ng DDOS<\/a>.<\/p>\n\n\n\n<p>\n  \u0110\u1ec3 tr\u00e1nh nh\u1eefng r\u1ee7i ro tr\u00ean, b\u1ea1n h\u00e3y lu\u00f4n s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh, c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean, c\u00e0i \u0111\u1eb7t c\u00e1c plugin b\u1ea3o m\u1eadt v\u00e0 sao l\u01b0u d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3. Nh\u1eefng bi\u1ec7n ph\u00e1p n\u00e0y kh\u00f4ng ch\u1ec9 b\u1ea3o v\u1ec7 website m\u00e0 c\u00f2n gi\u00fap b\u1ea1n y\u00ean t\u00e2m ph\u00e1t tri\u1ec3n ho\u1ea1t \u0111\u1ed9ng kinh doanh tr\u1ef1c tuy\u1ebfn.\n<\/p>\n\n\n\n<h2 id=\"C\u00e1c_c\u00e1ch_t\u0103ng_c\u01b0\u1eddng_b\u1ea3o_m\u1eadt_cho_website_WordPress\"><a id=\"post-114771-_mtknc6nahp6e\"><\/a>C\u00e1c c\u00e1ch t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt cho website WordPress<\/h2>\n\n\n\n<h3 id=\"Theo_c\u00e1c_b\u01b0\u1edbc_\u0111\u01a1n_gi\u1ea3n_(kh\u00f4ng_c\u1ea7n_m\u00e3_ho\u00e1)\"><a id=\"post-114771-_ezps3q1rk1nu\"><\/a><strong>Theo c\u00e1c b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n (kh\u00f4ng c\u1ea7n m\u00e3 ho\u00e1)<\/strong><\/h3>\n\n\n\n<p>B\u1ea3o m\u1eadt WordPress lu\u00f4n l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng m\u00e0 b\u1ea1n c\u1ea7n ch\u00fa \u00fd. D\u00f9 b\u1ea1n l\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u hay \u0111\u00e3 quen thu\u1ed9c v\u1edbi WordPress, b\u1ea3o v\u1ec7 website l\u00e0 vi\u1ec7c kh\u00f4ng th\u1ec3 b\u1ecf qua. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc gi\u00fap t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt cho WordPress m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n d\u1ec5 d\u00e0ng, kh\u00f4ng c\u1ea7n k\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh. <\/p>\n\n\n\n<p><\/p>\n\n\n\n<h4 id=\"#1._C\u00e0i_\u0111\u1eb7t_gi\u1ea3i_ph\u00e1p_sao_l\u01b0u_WordPress\"><a id=\"post-114771-_rp224y2ueqaq\"><\/a>#1. C\u00e0i \u0111\u1eb7t gi\u1ea3i ph\u00e1p sao l\u01b0u WordPress<\/h4>\n\n\n\n<p><a href=\"https:\/\/tino.vn\/blog\/backup-va-restore-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sao l\u01b0u d\u1eef li\u1ec7u<\/a> l\u00e0 b\u01b0\u1edbc c\u01a1 b\u1ea3n nh\u01b0ng quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 website. Kh\u00f4ng c\u00f3 website n\u00e0o an to\u00e0n 100%. N\u1ebfu ngay c\u1ea3 c\u00e1c trang ch\u00ednh ph\u1ee7 c\u0169ng c\u00f3 th\u1ec3 b\u1ecb hack th\u00ec trang c\u1ee7a b\u1ea1n c\u0169ng kh\u00f4ng ph\u1ea3i ngo\u1ea1i l\u1ec7. Khi g\u1eb7p s\u1ef1 c\u1ed1 nh\u01b0 b\u1ecb t\u1ea5n c\u00f4ng, m\u1ea5t d\u1eef li\u1ec7u ho\u1eb7c l\u1ed7i h\u1ec7 th\u1ed1ng, b\u1ea3n sao l\u01b0u s\u1ebd gi\u00fap b\u1ea1n kh\u00f4i ph\u1ee5c nhanh ch\u00f3ng v\u00e0 gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t. <\/p>\n\n\n\n<p><em>Nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng khi sao l\u01b0u:<\/em>\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng c\u00e1c plugin sao l\u01b0u \u0111\u00e1ng tin c\u1eady nh\u01b0<strong> Duplicator, UpdraftPlus<\/strong> ho\u1eb7c <strong>BlogVault.<\/strong> <\/li>\n\n\n\n<li>Sao l\u01b0u to\u00e0n b\u1ed9 d\u1eef li\u1ec7u (file v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u).  <\/li>\n\n\n\n<li>L\u01b0u tr\u1eef b\u1ea3n sao \u1edf n\u01a1i an to\u00e0n nh\u01b0 Amazon S3, Dropbox ho\u1eb7c d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y ri\u00eang. Kh\u00f4ng l\u01b0u tr\u1eef tr\u1ef1c ti\u1ebfp tr\u00ean hosting \u0111\u1ec3 tr\u00e1nh m\u1ea5t d\u1eef li\u1ec7u n\u1ebfu m\u00e1y ch\u1ee7 g\u1eb7p s\u1ef1 c\u1ed1.<br>  <\/li>\n<\/ul>\n\n\n\n<p><em>T\u1ea7n su\u1ea5t sao l\u01b0u:<\/em>\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1edbi c\u00e1c website th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt, b\u1ea1n n\u00ean sao l\u01b0u theo th\u1eddi gian th\u1ef1c.<\/li>\n\n\n\n<li>V\u1edbi c\u00e1c trang \u00edt thay \u0111\u1ed5i, b\u1ea1n sao l\u01b0u h\u00e0ng ng\u00e0y ho\u1eb7c h\u00e0ng tu\u1ea7n l\u00e0 \u0111\u1ee7.<br><\/li>\n<\/ul>\n\n\n\n<h4 id=\"#2._C\u00e0i_\u0111\u1eb7t_Plugin_b\u1ea3o_m\u1eadt_WordPress_uy_t\u00edn\"><a id=\"post-114771-_hmclshhpw9dp\"><\/a>#2. C\u00e0i \u0111\u1eb7t Plugin b\u1ea3o m\u1eadt WordPress uy t\u00edn<\/h4>\n\n\n\n<p>\n  Sau khi \u0111\u00e3 c\u00f3 gi\u1ea3i ph\u00e1p sao l\u01b0u, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t b\u1ea3o m\u1eadt \u0111\u1ec3 theo d\u00f5i ho\u1ea1t \u0111\u1ed9ng tr\u00ean website.\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-5.png\" alt=\"C\u00e0i \u0111\u1eb7t Plugin b\u1ea3o m\u1eadt WordPress uy t\u00edn\" class=\"wp-image-114776\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-5.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-5-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>C\u00e0i \u0111\u1eb7t Plugin b\u1ea3o m\u1eadt WordPress uy t\u00edn<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><em>Plugin b\u1ea3o m\u1eadt gi\u00fap b\u1ea1n ki\u1ec3m so\u00e1t nh\u1eefng v\u1ea5n \u0111\u1ec1 nh\u01b0:<\/em>\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u00e1m s\u00e1t s\u1ef1 to\u00e0n v\u1eb9n c\u1ee7a file.<\/li>\n\n\n\n<li>Ph\u00e1t hi\u1ec7n v\u00e0 qu\u00e9t m\u00e3 \u0111\u1ed9c.<\/li>\n\n\n\n<li>Ghi nh\u1eadn c\u00e1c l\u1ea7n \u0111\u0103ng nh\u1eadp th\u1ea5t b\u1ea1i v\u00e0 c\u1ea3nh b\u00e1o nguy c\u01a1.<br>  <\/li>\n<\/ul>\n\n\n\n<p>\n  M\u1ed9t trong nh\u1eefng plugin b\u1ea3o m\u1eadt ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 <strong>Sucuri Security<\/strong>.\n<\/p>\n\n\n\n<p><em>C\u00e1ch thi\u1ebft l\u1eadp Sucuri Security:<\/em>\n<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>C\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t plugin.<\/li>\n\n\n\n<li>Truy c\u1eadp m\u1ee5c <strong>Dashboard<\/strong> \u0111\u1ec3 ki\u1ec3m tra m\u00e3 \u0111\u1ed9c ho\u1eb7c l\u1ed7 h\u1ed5ng.<\/li>\n\n\n\n<li>V\u00e0o tab <strong>Hardening<\/strong> trong ph\u1ea7n c\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t c\u00e1c t\u00f9y ch\u1ecdn b\u1ea3o m\u1eadt m\u1eb7c \u0111\u1ecbnh. T\u00ednh n\u0103ng n\u00e0y s\u1ebd kh\u00f3a c\u00e1c l\u1ed7 h\u1ed5ng ph\u1ed5 bi\u1ebfn m\u00e0 hacker th\u01b0\u1eddng khai th\u00e1c.<\/li>\n\n\n\n<li>T\u00f9y ch\u1ec9nh c\u1ea3nh b\u00e1o email t\u1ea1i tab <strong>Alerts <\/strong>\u0111\u1ec3 nh\u1eadn th\u00f4ng b\u00e1o v\u1ec1 c\u00e1c ho\u1ea1t \u0111\u1ed9ng quan tr\u1ecdng nh\u01b0 thay \u0111\u1ed5i plugin ho\u1eb7c \u0111\u0103ng k\u00fd ng\u01b0\u1eddi d\u00f9ng m\u1edbi<br><\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-6.png\" alt=\"M\u1ed9t trong nh\u1eefng plugin b\u1ea3o m\u1eadt ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 Sucuri Security.\" class=\"wp-image-114777\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-6.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-6-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>M\u1ed9t trong nh\u1eefng plugin b\u1ea3o m\u1eadt ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 Sucuri Security.<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h4 id=\"#3._B\u1eadt_t\u01b0\u1eddng_l\u1eeda_\u1ee9ng_d\u1ee5ng_web_(WordPress_Security_Plugin_&#8211;_WAF)\"><a id=\"post-114771-_ag3x6ewxmrpb\"><\/a>#3. B\u1eadt t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WordPress Security Plugin &#8211; WAF)<\/h4>\n\n\n\n<p>\n  T\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF) l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 gi\u00fap ng\u0103n ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i tr\u01b0\u1edbc khi ch\u00fang ti\u1ebfp c\u1eadn website. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 website kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng tr\u1ef1c ti\u1ebfp.\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-7.png\" alt=\"B\u1eadt t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web\" class=\"wp-image-114778\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-7.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-7-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>B\u1eadt t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><em>C\u00f3 2 lo\u1ea1i t\u01b0\u1eddng l\u1eeda ph\u1ed5 bi\u1ebfn:<\/em>\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u01b0\u1eddng l\u1eeda c\u1ea5p DNS: <\/strong>Chuy\u1ec3n to\u00e0n b\u1ed9 l\u01b0u l\u01b0\u1ee3ng qua m\u00e1y ch\u1ee7 proxy \u0111\u00e1m m\u00e2y, ch\u1ec9 cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng h\u1ee3p l\u1ec7 v\u00e0o m\u00e1y ch\u1ee7 ch\u00ednh.<\/li>\n\n\n\n<li><strong>T\u01b0\u1eddng l\u1eeda c\u1ea5p \u1ee9ng d\u1ee5ng: <\/strong>Ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng tr\u00ean m\u00e1y ch\u1ee7 sau khi \u0111\u00e3 ti\u1ebfp nh\u1eadn, nh\u01b0ng hi\u1ec7u qu\u1ea3 kh\u00f4ng cao b\u1eb1ng t\u01b0\u1eddng l\u1eeda c\u1ea5p DNS.<\/li>\n<\/ul>\n\n\n\n<p><em>L\u1ef1a ch\u1ecdn t\u01b0\u1eddng l\u1eeda:<\/em>\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sucuri:<\/strong> Cung c\u1ea5p gi\u1ea3i ph\u00e1p t\u01b0\u1eddng l\u1eeda c\u1ea5p DNS v\u1edbi kh\u1ea3 n\u0103ng qu\u00e9t m\u00e3 \u0111\u1ed9c, kh\u00f4i ph\u1ee5c v\u00e0 b\u1ea3o m\u1eadt to\u00e0n di\u1ec7n.<\/li>\n\n\n\n<li><strong>Cloudflare: <\/strong>L\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p n\u1ebfu b\u1ea1n c\u1ea7n th\u00eam d\u1ecbch v\u1ee5 CDN \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang.<\/li>\n<\/ul>\n\n\n\n<h4 id=\"#4._Chuy\u1ec3n_website_WordPress_sang_SSL\/HTTPS\"><a id=\"post-114771-_u0z8g3pnhq7f\"><\/a>#4. Chuy\u1ec3n website WordPress sang SSL\/HTTPS<\/h4>\n\n\n\n<p>\n  SSL (<strong>Secure Sockets Layer)<\/strong> l\u00e0 giao th\u1ee9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7, \u0111\u1ea3m b\u1ea3o th\u00f4ng tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. Khi s\u1eed d\u1ee5ng SSL, website c\u1ee7a b\u1ea1n s\u1ebd hi\u1ec3n th\u1ecb bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a b\u00ean c\u1ea1nh URL v\u00e0 chuy\u1ec3n t\u1eeb HTTP sang HTTPS.\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-8.png\" alt=\"Chuy\u1ec3n website WordPress sang SSL\/HTTPS\" class=\"wp-image-114779\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-8.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-8-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Chuy\u1ec3n website WordPress sang SSL\/HTTPS<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><em>L\u1ee3i \u00edch c\u1ee7a SSL:<\/em>\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea3o v\u1ec7 th\u00f4ng tin nh\u1ea1y c\u1ea3m nh\u01b0 m\u1eadt kh\u1ea9u, d\u1eef li\u1ec7u thanh to\u00e1n.<\/li>\n\n\n\n<li>T\u0103ng \u0111\u1ed9 tin c\u1eady c\u1ee7a website v\u1edbi ng\u01b0\u1eddi d\u00f9ng.<\/li>\n\n\n\n<li>C\u1ea3i thi\u1ec7n th\u1ee9 h\u1ea1ng SEO, v\u00ec Google \u01b0u ti\u00ean c\u00e1c trang web s\u1eed d\u1ee5ng HTTPS.<\/li>\n<\/ul>\n\n\n\n<p><em>C\u00e1ch c\u00e0i \u0111\u1eb7t SSL:<\/em>\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nhi\u1ec1u c\u00f4ng ty hosting hi\u1ec7n nay cung c\u1ea5p SSL mi\u1ec5n ph\u00ed.<\/li>\n\n\n\n<li>N\u1ebfu hosting kh\u00f4ng h\u1ed7 tr\u1ee3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Let\u2019s Encrypt \u0111\u1ec3 c\u00e0i SSL mi\u1ec5n ph\u00ed ho\u1eb7c mua t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"D\u00e0nh_cho_ng\u01b0\u1eddi_d\u00f9ng_t\u1ef1_th\u1ef1c_hi\u1ec7n\"><a id=\"post-114771-_gf48jj8o4xpi\"><\/a><strong>D\u00e0nh cho ng\u01b0\u1eddi d\u00f9ng t\u1ef1 th\u1ef1c hi\u1ec7n<\/strong><\/h3>\n\n\n\n<p>\n  N\u1ebfu b\u1ea1n \u0111\u00e3 \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o m\u1eadt m\u00e0 ch\u00fang t\u00f4i \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3, th\u00ec website c\u1ee7a b\u1ea1n \u0111ang trong tr\u1ea1ng th\u00e1i kh\u00e1 an to\u00e0n. Tuy nhi\u00ean, v\u1eabn c\u00f2n m\u1ed9t s\u1ed1 b\u01b0\u1edbc n\u00e2ng cao gi\u00fap t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt m\u00e0 b\u1ea1n n\u00ean c\u00e2n nh\u1eafc th\u1ef1c hi\u1ec7n.\n<\/p>\n\n\n\n<h4 id=\"#1._Thay_\u0111\u1ed5i_t\u00ean_\u0111\u0103ng_nh\u1eadp_qu\u1ea3n_tr\u1ecb_m\u1eb7c_\u0111\u1ecbnh\"><a id=\"post-114771-_3g6b2yp3u5wu\"><\/a>#1. Thay \u0111\u1ed5i t\u00ean \u0111\u0103ng nh\u1eadp qu\u1ea3n tr\u1ecb m\u1eb7c \u0111\u1ecbnh<\/h4>\n\n\n\n<p>\n  Tr\u01b0\u1edbc \u0111\u00e2y, WordPress m\u1eb7c \u0111\u1ecbnh s\u1eed d\u1ee5ng t\u00ean \u0111\u0103ng nh\u1eadp qu\u1ea3n tr\u1ecb l\u00e0 &#8220;<strong>admin<\/strong>&#8220;. Do t\u00ean \u0111\u0103ng nh\u1eadp l\u00e0 m\u1ed9t n\u1eeda th\u00f4ng tin \u0111\u0103ng nh\u1eadp, n\u00ean v\u00f4 t\u00ecnh gi\u00fap hacker d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng brute-force \u0111\u1ec3 d\u00f2 m\u1eadt kh\u1ea9u.\n<\/p>\n\n\n\n<p>\n  Hi\u1ec7n nay, WordPress \u0111\u00e3 c\u1ea3i ti\u1ebfn b\u1eb1ng c\u00e1ch y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng ch\u1ecdn t\u00ean \u0111\u0103ng nh\u1eadp ri\u00eang khi c\u00e0i \u0111\u1eb7t. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 c\u00e0i \u0111\u1eb7t WordPress 1-click v\u1eabn gi\u1eef nguy\u00ean t\u00ean \u0111\u0103ng nh\u1eadp m\u1eb7c \u0111\u1ecbnh l\u00e0 &#8220;admin&#8221;. N\u1ebfu g\u1eb7p t\u00ecnh tr\u1ea1ng n\u00e0y, b\u1ea1n n\u00ean c\u00e2n nh\u1eafc thay \u0111\u1ed5i hosting \u0111\u1ec3 tr\u00e1nh r\u1ee7i ro.\n<\/p>\n\n\n\n<p>\n  V\u00ec WordPress kh\u00f4ng cho ph\u00e9p \u0111\u1ed5i t\u00ean \u0111\u0103ng nh\u1eadp m\u1eb7c \u0111\u1ecbnh, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t trong ba c\u00e1ch sau:\n<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>T\u1ea1o t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb m\u1edbi, sau \u0111\u00f3 x\u00f3a t\u00e0i kho\u1ea3n &#8220;admin&#8221; c\u0169.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng plugin <strong>Username Changer<\/strong> \u0111\u1ec3 \u0111\u1ed5i t\u00ean \u0111\u0103ng nh\u1eadp.<\/li>\n\n\n\n<li>Thay \u0111\u1ed5i t\u00ean \u0111\u0103ng nh\u1eadp tr\u1ef1c ti\u1ebfp trong c\u01a1 s\u1edf d\u1eef li\u1ec7u b\u1eb1ng c\u00f4ng c\u1ee5 <strong>phpMyAdmin<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p><em>L\u01b0u \u00fd:<\/em> B\u1ea1n \u0111ang thay \u0111\u1ed5i t\u00ean \u0111\u0103ng nh\u1eadp &#8220;admin&#8221;, kh\u00f4ng ph\u1ea3i vai tr\u00f2 ng\u01b0\u1eddi d\u00f9ng qu\u1ea3n tr\u1ecb (administrator).\n<\/p>\n\n\n\n<h4 id=\"#2._V\u00f4_hi\u1ec7u_h\u00f3a_t\u00ednh_n\u0103ng_ch\u1ec9nh_s\u1eeda_file_trong_WordPress\"><a id=\"post-114771-_tpgaqgh6jxu3\"><\/a>#2. V\u00f4 hi\u1ec7u h\u00f3a t\u00ednh n\u0103ng ch\u1ec9nh s\u1eeda file trong WordPress<\/h4>\n\n\n\n<p>\n  WordPress c\u00f3 s\u1eb5n tr\u00ecnh ch\u1ec9nh s\u1eeda code, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng s\u1eeda file theme v\u00e0 plugin ngay t\u1eeb b\u1ea3ng qu\u1ea3n tr\u1ecb. Tuy nhi\u00ean, t\u00ednh n\u0103ng n\u00e0y c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh r\u1ee7i ro l\u1edbn n\u1ebfu b\u1ecb khai th\u00e1c b\u1edfi k\u1ebb x\u1ea5u.\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-9.png\" alt=\"V\u00f4 hi\u1ec7u h\u00f3a t\u00ednh n\u0103ng ch\u1ec9nh s\u1eeda file trong WordPress\" class=\"wp-image-114780\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-9.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-9-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>V\u00f4 hi\u1ec7u h\u00f3a t\u00ednh n\u0103ng ch\u1ec9nh s\u1eeda file trong WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p>\n  \u0110\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a t\u00ednh n\u0103ng n\u00e0y, b\u1ea1n ch\u1ec9 c\u1ea7n th\u00eam \u0111o\u1ea1n m\u00e3 sau v\u00e0o file <strong>wp-config.php<\/strong> ho\u1eb7c s\u1eed d\u1ee5ng plugin <strong>WPCode:<\/strong>\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"662\" height=\"138\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-10.png\" alt=\"\" class=\"wp-image-114781\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-10.png 662w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-10-300x63.png 300w\" sizes=\"(max-width: 662px) 100vw, 662px\" \/><\/figure>\n<\/div>\n\n\n<p>\n  Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng <strong>Hardening<\/strong> trong plugin mi\u1ec5n ph\u00ed <strong>Sucuri <\/strong>\u0111\u1ec3 th\u1ef1c hi\u1ec7n ch\u1ec9 v\u1edbi 1 l\u1ea7n nh\u1ea5p.\n<\/p>\n\n\n\n<h4 id=\"#3._V\u00f4_hi\u1ec7u_h\u00f3a_th\u1ef1c_thi_file_PHP_trong_m\u1ed9t_s\u1ed1_th\u01b0_m\u1ee5c_nh\u1ea5t_\u0111\u1ecbnh\"><a id=\"post-114771-_nh5kb3ycrs7z\"><\/a>#3. V\u00f4 hi\u1ec7u h\u00f3a th\u1ef1c thi file PHP trong m\u1ed9t s\u1ed1 th\u01b0 m\u1ee5c nh\u1ea5t \u0111\u1ecbnh<\/h4>\n\n\n\n<p>\n  M\u1ed9t c\u00e1ch kh\u00e1c \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt l\u00e0 v\u00f4 hi\u1ec7u h\u00f3a vi\u1ec7c th\u1ef1c thi c\u00e1c file PHP trong nh\u1eefng th\u01b0 m\u1ee5c kh\u00f4ng c\u1ea7n thi\u1ebft, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u01b0 m\u1ee5c <strong>\/wp-content\/uploads\/.<\/strong>\n<\/p>\n\n\n\n<p>\n  \u0110\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y, b\u1ea1n h\u00e3y m\u1edf tr\u00ecnh so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n (nh\u01b0 <strong>Notepad<\/strong>) v\u00e0 d\u00e1n \u0111o\u1ea1n m\u00e3 sau:\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"662\" height=\"242\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-11.png\" alt=\"\" class=\"wp-image-114782\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-11.png 662w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-11-300x110.png 300w\" sizes=\"(max-width: 662px) 100vw, 662px\" \/><\/figure>\n<\/div>\n\n\n<p>\n  L\u01b0u file n\u00e0y d\u01b0\u1edbi t\u00ean<strong> .htaccess<\/strong>, sau \u0111\u00f3 t\u1ea3i l\u00ean th\u01b0 m\u1ee5c<strong> \/wp-content\/uploads\/ <\/strong>b\u1eb1ng c\u00f4ng c\u1ee5 FTP.\n<\/p>\n\n\n\n<p>\n  N\u1ebfu kh\u00f4ng mu\u1ed1n th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng <strong>Hardening<\/strong> c\u1ee7a plugin <strong>Sucuri <\/strong>\u0111\u1ec3 ho\u00e0n t\u1ea5t nhanh ch\u00f3ng.\n<\/p>\n\n\n\n<h4 id=\"#4._Gi\u1edbi_h\u1ea1n_s\u1ed1_l\u1ea7n_\u0111\u0103ng_nh\u1eadp_sai\"><a id=\"post-114771-_ptkk6lvbnaja\"><\/a>#4. Gi\u1edbi h\u1ea1n s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp sai<\/h4>\n\n\n\n<p>\n  WordPress cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u1eed \u0111\u0103ng nh\u1eadp kh\u00f4ng gi\u1edbi h\u1ea1n s\u1ed1 l\u1ea7n. T\u00ednh n\u0103ng n\u00e0y v\u00f4 t\u00ecnh tr\u1edf th\u00e0nh l\u1ed7 h\u1ed5ng cho c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng brute-force. \u0110\u1ec3 kh\u1eafc ph\u1ee5c, b\u1ea1n c\u00f3 th\u1ec3 gi\u1edbi h\u1ea1n s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp sai b\u1eb1ng plugin mi\u1ec5n ph\u00ed <strong>Limit Login Attempts Reloaded.<\/strong>\n<\/p>\n\n\n\n<p><em>H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t:<\/em>\n<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>C\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t plugin n\u00e0y t\u1eeb b\u1ea3ng qu\u1ea3n tr\u1ecb WordPress.<\/li>\n\n\n\n<li>Sau khi k\u00edch ho\u1ea1t, plugin t\u1ef1 \u0111\u1ed9ng gi\u1edbi h\u1ea1n s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp th\u1ea5t b\u1ea1i.<\/li>\n\n\n\n<li>B\u1ea1n c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh c\u00e0i \u0111\u1eb7t t\u1ea1i m\u1ee5c <strong>C\u00e0i \u0111\u1eb7t<\/strong> \u00bb <strong>Limit Login Attempts<\/strong>. V\u00ed d\u1ee5, \u0111\u1ec3 tu\u00e2n th\u1ee7 lu\u1eadt GDPR, b\u1ea1n ch\u1ec9 c\u1ea7n t\u00edch ch\u1ecdn m\u1ee5c <strong>GDPR compliance<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p>\n  V\u1edbi c\u00e1c b\u01b0\u1edbc tr\u00ean, website c\u1ee7a b\u1ea1n s\u1ebd h\u1ea1n ch\u1ebf nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng brute-force hi\u1ec7u qu\u1ea3.\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-12.png\" alt=\"Gi\u1edbi h\u1ea1n s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp sai\" class=\"wp-image-114783\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-12.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-12-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Gi\u1edbi h\u1ea1n s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp sai<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h4 id=\"#5._Th\u00eam_x\u00e1c_th\u1ef1c_2_y\u1ebfu_t\u1ed1_(2FA)\"><a id=\"post-114771-_z61kk07yeok5\"><\/a>#5. Th\u00eam x\u00e1c th\u1ef1c 2 y\u1ebfu t\u1ed1 (2FA)<\/h4>\n\n\n\n<p>\n  H\u1ea7u h\u1ebft c\u00e1c trang web l\u1edbn nh\u01b0 Google, Facebook v\u00e0 Twitter \u0111\u1ec1u cho ph\u00e9p b\u1ea1n b\u1eadt t\u00ednh n\u0103ng n\u00e0y cho t\u00e0i kho\u1ea3n c\u1ee7a m\u00ecnh. V\u00e0 b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u00eam t\u00ednh n\u0103ng n\u00e0y v\u00e0o trang web WordPress c\u1ee7a m\u00ecnh.\n<\/p>\n\n\n\n<p>\n  X\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) l\u00e0 ph\u01b0\u01a1ng th\u1ee9c y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n 2 b\u01b0\u1edbc kh\u00e1c nhau \u0111\u1ec3 \u0111\u0103ng nh\u1eadp v\u00e0o WordPress:\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean: <\/strong>Nh\u1eadp t\u00ean \u0111\u0103ng nh\u1eadp v\u00e0 m\u1eadt kh\u1ea9u. <\/li>\n\n\n\n<li><strong>B\u01b0\u1edbc th\u1ee9 hai: <\/strong>B\u1ea1n s\u1ebd c\u1ea7n s\u1eed d\u1ee5ng m\u1ed9t m\u00e3 t\u1eeb thi\u1ebft b\u1ecb ho\u1eb7c \u1ee9ng d\u1ee5ng m\u00e0 ch\u1ec9 b\u1ea1n c\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng c\u1ee7a b\u1ea1n.<br>  <\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-13.png\" alt=\"Th\u00eam x\u00e1c th\u1ef1c 2 y\u1ebfu t\u1ed1 (2FA)\" class=\"wp-image-114784\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-13.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-13-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Th\u00eam x\u00e1c th\u1ef1c 2 y\u1ebfu t\u1ed1 (2FA)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><em>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/em>\n<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>C\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t plugin WP 2FA \u2013 Two-factor Authentication: <\/strong>\u0110\u1ea7u ti\u00ean, b\u1ea1n c\u1ea7n c\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t plugin n\u00e0y tr\u00ean WordPress c\u1ee7a m\u00ecnh.<\/li>\n\n\n\n<li><strong>C\u1ea5u h\u00ecnh plugin: <\/strong>Sau khi k\u00edch ho\u1ea1t plugin, m\u1ed9t h\u01b0\u1edbng d\u1eabn d\u1ec5 s\u1eed d\u1ee5ng s\u1ebd gi\u00fap b\u1ea1n c\u1ea5u h\u00ecnh plugin. B\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c m\u00e3 QR c\u1ea7n qu\u00e9t.<\/li>\n\n\n\n<li><strong>Qu\u00e9t m\u00e3 QR b\u1eb1ng \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c:<\/strong> B\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng m\u1ed9t \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c tr\u00ean \u0111i\u1ec7n tho\u1ea1i, nh\u01b0 <strong>Google Authenticator, Authy<\/strong> ho\u1eb7c <strong>LastPass Authenticator <\/strong>\u0111\u1ec3 qu\u00e9t m\u00e3 QR. Tino khuy\u1ebfn ngh\u1ecb b\u1ea1n n\u00ean s\u1eed d\u1ee5ng <strong>LastPass Authenticator <\/strong>ho\u1eb7c<strong> Authy<\/strong> v\u00ec ch\u00fang cho ph\u00e9p b\u1ea1n sao l\u01b0u t\u00e0i kho\u1ea3n l\u00ean \u0111\u00e1m m\u00e2y. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch n\u1ebfu \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n b\u1ecb m\u1ea5t, reset ho\u1eb7c khi b\u1ea1n mua \u0111i\u1ec7n tho\u1ea1i m\u1edbi.<\/li>\n\n\n\n<li><strong>Qu\u00e9t m\u00e3 QR v\u00e0 l\u01b0u t\u00e0i kho\u1ea3n: <\/strong>M\u1edf \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n, nh\u1ea5n n\u00fat <strong>\u2018+\u2019<\/strong> ho\u1eb7c \u2018<strong>Th\u00eam t\u00e0i kho\u1ea3n<\/strong>\u2019 v\u00e0 qu\u00e9t m\u00e3 QR tr\u00ean m\u00e0n h\u00ecnh m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 c\u1ea7n c\u1ea5p quy\u1ec1n cho \u1ee9ng d\u1ee5ng truy c\u1eadp camera c\u1ee7a \u0111i\u1ec7n tho\u1ea1i. Sau khi qu\u00e9t m\u00e3, b\u1ea1n \u0111\u1eb7t t\u00ean cho t\u00e0i kho\u1ea3n v\u00e0 l\u01b0u l\u1ea1i.<\/li>\n\n\n\n<li><strong>\u0110\u0103ng nh\u1eadp v\u1edbi m\u00e3 x\u00e1c th\u1ef1c:<\/strong> L\u1ea7n sau khi b\u1ea1n \u0111\u0103ng nh\u1eadp v\u00e0o trang web c\u1ee7a m\u00ecnh, sau khi nh\u1eadp m\u1eadt kh\u1ea9u, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u nh\u1eadp m\u00e3 x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1. M\u1edf \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c tr\u00ean \u0111i\u1ec7n tho\u1ea1i, b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t m\u00e3 d\u00f9ng m\u1ed9t l\u1ea7n, nh\u1eadp m\u00e3 n\u00e0y v\u00e0o \u0111\u1ec3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh \u0111\u0103ng nh\u1eadp.<br><\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-14.png\" alt=\"Th\u00eam x\u00e1c th\u1ef1c 2 y\u1ebfu t\u1ed1 (2FA)\" class=\"wp-image-114785\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-14.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-14-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Th\u00eam x\u00e1c th\u1ef1c 2 y\u1ebfu t\u1ed1 (2FA)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-15.png\" alt=\"\u0110\u0103ng nh\u1eadp v\u1edbi m\u00e3 x\u00e1c th\u1ef1c\" class=\"wp-image-114786\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-15.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-15-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>\u0110\u0103ng nh\u1eadp v\u1edbi m\u00e3 x\u00e1c th\u1ef1c<\/strong><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-16.png\" alt=\"Nh\u1eadp m\u00e3 x\u00e1c th\u1ef1c\" class=\"wp-image-114787\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-16.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-16-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Nh\u1eadp m\u00e3 x\u00e1c th\u1ef1c<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h4 id=\"#6._Thay_\u0111\u1ed5i_ti\u1ec1n_t\u1ed1_c\u01a1_s\u1edf_d\u1eef_li\u1ec7u_WordPress\"><a id=\"post-114771-_iixcq3tjy4jl\"><\/a>#6. Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress<\/h4>\n\n\n\n<p>\n  WordPress s\u1eed d\u1ee5ng ti\u1ec1n t\u1ed1 <strong>wp_ <\/strong>cho t\u1ea5t c\u1ea3 c\u00e1c b\u1ea3ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u. N\u1ebfu trang web c\u1ee7a b\u1ea1n v\u1eabn \u0111ang s\u1eed d\u1ee5ng ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh n\u00e0y, th\u00ec hacker c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111o\u00e1n \u0111\u01b0\u1ee3c t\u00ean c\u00e1c b\u1ea3ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. Ch\u00ednh v\u00ec v\u1eady, Tino khuy\u1ebfn ngh\u1ecb b\u1ea1n n\u00ean thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 c\u01a1 s\u1edf d\u1eef li\u1ec7u. Vi\u1ec7c thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f3 th\u1ec3 l\u00e0m website c\u1ee7a b\u1ea1n b\u1ecb l\u1ed7i n\u1ebfu kh\u00f4ng th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch. V\u00ec v\u1eady, b\u1ea1n h\u00e3y ch\u1eafc ch\u1eafn m\u00ecnh hi\u1ec3u r\u00f5 v\u1ec1 l\u1eadp tr\u00ecnh tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n c\u00e1ch n\u00e0y.\n<\/p>\n\n\n\n<h4 id=\"#7._B\u1ea3o_v\u1ec7_m\u1eadt_kh\u1ea9u_cho_trang_\u0111\u0103ng_nh\u1eadp_v\u00e0_qu\u1ea3n_tr\u1ecb_WordPress\"><a id=\"post-114771-_t8mus8hnxz8p\"><\/a>#7. B\u1ea3o v\u1ec7 m\u1eadt kh\u1ea9u cho trang \u0111\u0103ng nh\u1eadp v\u00e0 qu\u1ea3n tr\u1ecb WordPress<\/h4>\n\n\n\n<p>\n  Tr\u00ean th\u1ef1c t\u1ebf, hacker ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 y\u00eau c\u1ea7u truy c\u1eadp v\u00e0o th\u01b0 m\u1ee5c <strong>wp-admin <\/strong>v\u00e0 trang \u0111\u0103ng nh\u1eadp c\u1ee7a b\u1ea1n m\u00e0 kh\u00f4ng g\u1eb7p b\u1ea5t k\u1ef3 h\u1ea1n ch\u1ebf n\u00e0o. \u0110i\u1ec1u n\u00e0y t\u1ea1o c\u01a1 h\u1ed9i cho ch\u00fang th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ho\u1eb7c t\u1ea5n c\u00f4ng DDoS. V\u1eady n\u00ean, \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n, b\u1ea1n c\u00f3 th\u1ec3 th\u00eam m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 m\u1eadt kh\u1ea9u t\u1ea1i c\u1ea5p \u0111\u1ed9 m\u00e1y ch\u1ee7, gi\u00fap ch\u1eb7n c\u00e1c y\u00eau c\u1ea7u kh\u00f4ng mong mu\u1ed1n.\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-17.png\" alt=\"B\u1ea3o v\u1ec7 m\u1eadt kh\u1ea9u cho trang \u0111\u0103ng nh\u1eadp v\u00e0 qu\u1ea3n tr\u1ecb WordPress\" class=\"wp-image-114788\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-17.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-17-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong><strong>B\u1ea3o v\u1ec7 m\u1eadt kh\u1ea9u cho trang \u0111\u0103ng nh\u1eadp v\u00e0 qu\u1ea3n tr\u1ecb WordPress<\/strong><\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h4 id=\"#8._V\u00f4_hi\u1ec7u_ho\u00e1_ch\u1ebf_\u0111\u1ed9_duy\u1ec7t_th\u01b0_m\u1ee5c_v\u00e0_li\u1ec7t_k\u00ea_th\u01b0_m\u1ee5c\"><a id=\"post-114771-_zbdtto53h0n\"><\/a>#8. V\u00f4 hi\u1ec7u ho\u00e1 ch\u1ebf \u0111\u1ed9 duy\u1ec7t th\u01b0 m\u1ee5c v\u00e0 li\u1ec7t k\u00ea th\u01b0 m\u1ee5c<\/h4>\n\n\n\n<p>\n  Khi b\u1ea1n nh\u1eadp \u0111\u1ecba ch\u1ec9 m\u1ed9t th\u01b0 m\u1ee5c c\u1ee7a website v\u00e0o tr\u00ecnh duy\u1ec7t, n\u1ebfu c\u00f3 file <strong>index.html<\/strong> trong th\u01b0 m\u1ee5c \u0111\u00f3, b\u1ea1n s\u1ebd th\u1ea5y trang web \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb. N\u1ebfu kh\u00f4ng c\u00f3, b\u1ea1n s\u1ebd nh\u00ecn th\u1ea5y danh s\u00e1ch c\u00e1c file trong th\u01b0 m\u1ee5c \u0111\u00f3. \u0110\u00e2y g\u1ecdi l\u00e0 ch\u1ebf \u0111\u1ed9 duy\u1ec7t th\u01b0 m\u1ee5c.\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-18.png\" alt=\"V\u00f4 hi\u1ec7u ho\u00e1 ch\u1ebf \u0111\u1ed9 duy\u1ec7t th\u01b0 m\u1ee5c v\u00e0 li\u1ec7t k\u00ea th\u01b0 m\u1ee5c\" class=\"wp-image-114789\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-18.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-18-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>V\u00f4 hi\u1ec7u ho\u00e1 ch\u1ebf \u0111\u1ed9 duy\u1ec7t th\u01b0 m\u1ee5c v\u00e0 li\u1ec7t k\u00ea th\u01b0 m\u1ee5c<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p>\n  K\u1ebb x\u1ea5u c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng ch\u1ebf \u0111\u1ed9 duy\u1ec7t th\u01b0 m\u1ee5c \u0111\u1ec3 t\u00ecm ra nh\u1eefng file c\u00f3 l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt, t\u1eeb \u0111\u00f3 x\u00e2m nh\u1eadp v\u00e0o website c\u1ee7a b\u1ea1n. Ngo\u00e0i ra, nh\u1eefng ng\u01b0\u1eddi kh\u00e1c c\u0169ng c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng \u0111\u1ec3 sao ch\u00e9p h\u00ecnh \u1ea3nh, t\u00ecm hi\u1ec3u c\u1ea5u tr\u00fac th\u01b0 m\u1ee5c v\u00e0 nh\u1eefng th\u00f4ng tin kh\u00e1c t\u1eeb website c\u1ee7a b\u1ea1n. V\u00ec v\u1eady, b\u1ea1n n\u00ean v\u00f4 hi\u1ec7u h\u00f3a ch\u1ebf \u0111\u1ed9 duy\u1ec7t th\u01b0 m\u1ee5c.\n<\/p>\n\n\n\n<p><em>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/em>\n<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>K\u1ebft n\u1ed1i v\u1edbi website c\u1ee7a b\u1ea1n qua FTP ho\u1eb7c qu\u1ea3n l\u00fd file c\u1ee7a nh\u00e0 cung c\u1ea5p hosting.<\/li>\n\n\n\n<li>T\u00ecm v\u00e0 m\u1edf file <strong>.htaccess<\/strong> trong th\u01b0 m\u1ee5c g\u1ed1c c\u1ee7a website.<\/li>\n\n\n\n<li>N\u1ebfu kh\u00f4ng t\u00ecm th\u1ea5y file n\u00e0y, tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 c\u00e1ch hi\u1ec3n th\u1ecb file<strong> .htaccess<\/strong> trong WordPress.<\/li>\n\n\n\n<li>Th\u00eam d\u00f2ng m\u00e3 sau v\u00e0o cu\u1ed1i file <strong>.htaccess<\/strong>:<br>  <br><br>  <figure><img decoding=\"async\" width=\"312\" height=\"86\" class=\"wp-image-114790\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-19.png\" alt=\"\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-19.png 312w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-19-300x83.png 300w\" sizes=\"(max-width: 312px) 100vw, 312px\" \/><\/figure><br><\/li>\n\n\n\n<li>L\u01b0u v\u00e0 t\u1ea3i l\u1ea1i file <strong>.htaccess<\/strong> l\u00ean website.<br><\/li>\n<\/ol>\n\n\n\n<p>\n  Ch\u1ec9 v\u1edbi v\u00e0i b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n n\u00e0y, b\u1ea1n \u0111\u00e3 v\u00f4 hi\u1ec7u h\u00f3a ch\u1ebf \u0111\u1ed9 duy\u1ec7t th\u01b0 m\u1ee5c v\u00e0 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin quan tr\u1ecdng tr\u00ean website c\u1ee7a m\u00ecnh.\n<\/p>\n\n\n\n<h4 id=\"#9._V\u00f4_hi\u1ec7u_ho\u00e1_XML-RPC_trong_WordPress\"><a id=\"post-114771-_qof7e3a6hqkv\"><\/a>#9. V\u00f4 hi\u1ec7u ho\u00e1 XML-RPC trong WordPress<\/h4>\n\n\n\n<p>\n  XML-RPC l\u00e0 m\u1ed9t API c\u1ee7a WordPress gi\u00fap k\u1ebft n\u1ed1i trang web WordPress c\u1ee7a b\u1ea1n v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng web v\u00e0 di \u0111\u1ed9ng. T\u00ednh n\u0103ng n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t m\u1eb7c \u0111\u1ecbnh k\u1ec3 t\u1eeb phi\u00ean b\u1ea3n WordPress 3.5. Tuy nhi\u00ean, XML-RPC c\u00f3 th\u1ec3 l\u00e0m t\u0103ng c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng brute-force (t\u1ea5n c\u00f4ng th\u1eed m\u1eadt kh\u1ea9u).\n  <br>\n  V\u00ed d\u1ee5, n\u1ebfu m\u1ed9t hacker mu\u1ed1n th\u1eed 500 m\u1eadt kh\u1ea9u kh\u00e1c nhau tr\u00ean trang web c\u1ee7a b\u1ea1n, h\u1ecd s\u1ebd ph\u1ea3i th\u1ef1c hi\u1ec7n 500 l\u1ea7n \u0111\u0103ng nh\u1eadp ri\u00eang bi\u1ec7t. Plugin <strong>Limit Login Attempts Reloaded <\/strong>c\u00f3 th\u1ec3 gi\u00fap ch\u1eb7n v\u00e0 ng\u0103n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y.\n<\/p>\n\n\n\n<p>\n  Nh\u01b0ng v\u1edbi XML-RPC, hacker c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m<strong> system.multicall<\/strong> \u0111\u1ec3 th\u1eed h\u00e0ng ngh\u00ecn m\u1eadt kh\u1ea9u ch\u1ec9 v\u1edbi kho\u1ea3ng 20 ho\u1eb7c 50 y\u00eau c\u1ea7u.\n<\/p>\n\n\n\n<p>\n  V\u00ec l\u00fd do n\u00e0y, n\u1ebfu kh\u00f4ng s\u1eed d\u1ee5ng XML-RPC, Tino khuy\u1ebfn ngh\u1ecb b\u1ea1n v\u00f4 hi\u1ec7u h\u00f3a t\u00ednh n\u0103ng n\u00e0y. \n<\/p>\n\n\n\n<p><em>L\u01b0u \u00fd:<\/em> Ph\u01b0\u01a1ng ph\u00e1p .htaccess l\u00e0 c\u00e1ch t\u1ed1i \u01b0u nh\u1ea5t v\u00ec \u00edt ti\u00eau t\u1ed1n t\u00e0i nguy\u00ean. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u. Ngo\u00e0i ra, n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng m\u1ed9t t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF) nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3, t\u00ednh n\u0103ng n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c x\u1eed l\u00fd t\u1ef1 \u0111\u1ed9ng.\n<\/p>\n\n\n\n<h4 id=\"#10._T\u1ef1_\u0111\u1ed9ng_\u0111\u0103ng_xu\u1ea5t_ng\u01b0\u1eddi_d\u00f9ng_kh\u00f4ng_ho\u1ea1t_\u0111\u1ed9ng_WordPress\"><a id=\"post-114771-_nyyrgxiv1yaw\"><\/a>#10. T\u1ef1 \u0111\u1ed9ng \u0111\u0103ng xu\u1ea5t ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng WordPress<\/h4>\n\n\n\n<p>\n  Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 \u0111\u0103ng nh\u1eadp c\u00f3 th\u1ec3 r\u1eddi kh\u1ecfi m\u00e0n h\u00ecnh m\u00e0 kh\u00f4ng \u0111\u0103ng xu\u1ea5t, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra r\u1ee7i ro b\u1ea3o m\u1eadt. Ng\u01b0\u1eddi kh\u00e1c c\u00f3 th\u1ec3 chi\u1ebfm \u0111o\u1ea1t phi\u00ean \u0111\u0103ng nh\u1eadp c\u1ee7a h\u1ecd, thay \u0111\u1ed5i m\u1eadt kh\u1ea9u ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c thay \u0111\u1ed5i trong t\u00e0i kho\u1ea3n.\n<\/p>\n\n\n\n<p>\n  \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao nhi\u1ec1u trang web ng\u00e2n h\u00e0ng v\u00e0 t\u00e0i ch\u00ednh t\u1ef1 \u0111\u1ed9ng \u0111\u0103ng xu\u1ea5t ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp t\u00ednh n\u0103ng t\u01b0\u01a1ng t\u1ef1 cho trang web WordPress c\u1ee7a m\u00ecnh.\n<\/p>\n\n\n\n<p><em>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/em>\n<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>C\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t plugin <strong>Inactive Logout<\/strong>. Sau khi k\u00edch ho\u1ea1t, truy c\u1eadp v\u00e0o <strong>C\u00e0i \u0111\u1eb7t \u00bb Inactive Logout<\/strong> \u0111\u1ec3 t\u00f9y ch\u1ec9nh c\u00e0i \u0111\u1eb7t \u0111\u0103ng xu\u1ea5t.<\/li>\n\n\n\n<li>Ch\u1ec9 c\u1ea7n thi\u1ebft l\u1eadp th\u1eddi gian v\u00e0 th\u00eam th\u00f4ng \u0111i\u1ec7p \u0111\u0103ng xu\u1ea5t. Sau \u0111\u00f3, \u0111\u1eebng qu\u00ean nh\u1ea5n n\u00fat<strong> L\u01b0u thay \u0111\u1ed5i <\/strong>\u1edf d\u01b0\u1edbi c\u00f9ng c\u1ee7a trang \u0111\u1ec3 l\u01b0u c\u00e0i \u0111\u1eb7t c\u1ee7a b\u1ea1n.<br><\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-20.png\" alt=\"T\u1ef1 \u0111\u1ed9ng \u0111\u0103ng xu\u1ea5t ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng WordPress\" class=\"wp-image-114791\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-20.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-20-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>T\u1ef1 \u0111\u1ed9ng \u0111\u0103ng xu\u1ea5t ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h4 id=\"#11._Th\u00eam_c\u00e2u_h\u1ecfi_b\u1ea3o_m\u1eadt_v\u00e0o_m\u00e0n_h\u00ecnh_\u0111\u0103ng_nh\u1eadp_WordPress\"><a id=\"post-114771-_57hdv7z95h0p\"><\/a>#11. Th\u00eam c\u00e2u h\u1ecfi b\u1ea3o m\u1eadt v\u00e0o m\u00e0n h\u00ecnh \u0111\u0103ng nh\u1eadp WordPress<\/h4>\n\n\n\n<p>\n  Th\u00eam c\u00e2u h\u1ecfi b\u1ea3o m\u1eadt v\u00e0o m\u00e0n h\u00ecnh \u0111\u0103ng nh\u1eadp WordPress l\u00e0m cho vi\u1ec7c truy c\u1eadp tr\u00e1i ph\u00e9p tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 th\u00eam c\u00e2u h\u1ecfi b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch c\u00e0i \u0111\u1eb7t plugin<strong> Two Factor Authentication<\/strong>. Sau khi k\u00edch ho\u1ea1t, b\u1ea1n c\u1ea7n truy c\u1eadp v\u00e0o <strong>Multi-factor Authentication \u00bb Two Factor<\/strong> \u0111\u1ec3 c\u1ea5u h\u00ecnh c\u00e1c c\u00e0i \u0111\u1eb7t c\u1ee7a plugin.\n<\/p>\n\n\n\n<p>\n  Plugin n\u00e0y cho ph\u00e9p b\u1ea1n th\u00eam nhi\u1ec1u lo\u1ea1i x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1, bao g\u1ed3m c\u1ea3 c\u00e2u h\u1ecfi b\u1ea3o m\u1eadt.\n<\/p>\n\n\n\n<p><em>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/em>\n<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>C\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t plugin <strong>Two Factor Authentication.<\/strong><\/li>\n\n\n\n<li>Truy c\u1eadp v\u00e0o <strong>Multi-factor Authentication \u00bb Two Factor<\/strong> \u0111\u1ec3 c\u1ea5u h\u00ecnh.<\/li>\n\n\n\n<li>Th\u00eam c\u00e2u h\u1ecfi b\u1ea3o m\u1eadt m\u00e0 b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng cho trang \u0111\u0103ng nh\u1eadp c\u1ee7a m\u00ecnh.<br><\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-21.png\" alt=\"Th\u00eam c\u00e2u h\u1ecfi b\u1ea3o m\u1eadt v\u00e0o m\u00e0n h\u00ecnh \u0111\u0103ng nh\u1eadp WordPress\" class=\"wp-image-114792\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-21.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-21-300x161.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Th\u00eam c\u00e2u h\u1ecfi b\u1ea3o m\u1eadt v\u00e0o m\u00e0n h\u00ecnh \u0111\u0103ng nh\u1eadp WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h4 id=\"#12._Qu\u00e9t_Malware_v\u00e0_l\u1ed7_h\u1ed5ng_trong_WordPress\"><a id=\"post-114771-_yts5q3qnw7y\"><\/a>#12. Qu\u00e9t Malware v\u00e0 l\u1ed7 h\u1ed5ng trong WordPress<\/h4>\n\n\n\n<p>\n  N\u1ebfu b\u1ea1n \u0111\u00e3 c\u00e0i \u0111\u1eb7t plugin b\u1ea3o m\u1eadt WordPress, plugin n\u00e0y s\u1ebd t\u1ef1 \u0111\u1ed9ng qu\u00e9t trang web c\u1ee7a b\u1ea1n \u0111\u1ec3 ph\u00e1t hi\u1ec7n malware v\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng. Tuy nhi\u00ean, n\u1ebfu nh\u1eadn th\u1ea5y s\u1ef1 gi\u1ea3m s\u00fat \u0111\u1ed9t ng\u1ed9t trong l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp trang web ho\u1eb7c th\u1ee9 h\u1ea1ng t\u00ecm ki\u1ebfm, b\u1ea1n n\u00ean qu\u00e9t trang web c\u1ee7a m\u00ecnh th\u1ee7 c\u00f4ng \u0111\u1ec3 t\u00ecm malware.\n<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"680\" height=\"382\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-22.jpg\" alt=\"Qu\u00e9t Malware v\u00e0 l\u1ed7 h\u1ed5ng trong WordPress\n\" class=\"wp-image-114793\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-22.jpg 680w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/word-image-114771-22-300x169.jpg 300w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><figcaption class=\"wp-element-caption\"><strong>Qu\u00e9t Malware v\u00e0 l\u1ed7 h\u1ed5ng trong WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p>\n  B\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y th\u00f4ng qua plugin b\u1ea3o m\u1eadt WordPress ho\u1eb7c s\u1eed d\u1ee5ng m\u1ed9t trong c\u00e1c c\u00f4ng c\u1ee5 qu\u00e9t malware v\u00e0 b\u1ea3o m\u1eadt t\u1ed1t nh\u1ea5t. Qu\u00e1 tr\u00ecnh qu\u00e9t r\u1ea5t \u0111\u01a1n gi\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp URL c\u1ee7a website v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 qu\u00e9t s\u1ebd ki\u1ec3m tra trang web c\u1ee7a b\u1ea1n \u0111\u1ec3 ph\u00e1t hi\u1ec7n malware v\u00e0 m\u00e3 \u0111\u1ed9c h\u1ea1i.\n<\/p>\n\n\n\n<p><em>L\u01b0u \u00fd:<\/em> H\u1ea7u h\u1ebft c\u00e1c c\u00f4ng c\u1ee5 qu\u00e9t b\u1ea3o m\u1eadt WordPress ch\u1ec9 c\u1ea3nh b\u00e1o b\u1ea1n n\u1ebfu trang web c\u1ee7a b\u1ea1n ch\u1ee9a malware, nh\u01b0ng kh\u00f4ng th\u1ec3 t\u1ef1 \u0111\u1ed9ng x\u00f3a malware ho\u1eb7c l\u00e0m s\u1ea1ch trang web WordPress b\u1ecb hack.\n<\/p>\n\n\n\n<h4 id=\"#13._S\u1eeda_ch\u1eefa_website_WordPress_b\u1ecb_hack\"><a id=\"post-114771-_ie1dxadb5ff1\"><\/a>#13. S\u1eeda ch\u1eefa website WordPress b\u1ecb hack<\/h4>\n\n\n\n<p>\n  Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng WordPress kh\u00f4ng nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c sao l\u01b0u v\u00e0 b\u1ea3o m\u1eadt trang web cho \u0111\u1ebfn khi trang web c\u1ee7a h\u1ecd b\u1ecb hack. Khi hacker x\u00e2m nh\u1eadp v\u00e0o trang web, h\u1ecd c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t backdoor \u0111\u1ec3 d\u1ec5 d\u00e0ng t\u1ea5n c\u00f4ng l\u1ea1i trang web. N\u1ebfu kh\u00f4ng x\u1eed l\u00fd \u0111\u00fang c\u00e1ch, trang web c\u1ee7a b\u1ea1n s\u1ebd c\u00f3 nguy c\u01a1 b\u1ecb hack l\u1ea1i.\n<\/p>\n\n\n\n<p>\n  Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch trang web WordPress c\u00f3 th\u1ec3 r\u1ea5t kh\u00f3 v\u00e0 t\u1ed1n th\u1eddi gian. Tino khuy\u00ean b\u1ea1n n\u00ean nh\u1edd \u0111\u1ebfn c\u00e1c chuy\u00ean gia b\u1ea3o m\u1eadt \u0111\u1ec3 x\u1eed l\u00fd. N\u1ebfu b\u1ea1n \u0111\u00e3 mua plugin b\u1ea3o m\u1eadt, vi\u1ec7c s\u1eeda ch\u1eefa trang web b\u1ecb hack s\u1ebd bao g\u1ed3m trong chi ph\u00ed d\u1ecbch v\u1ee5.\n<\/p>\n\n\n\n<p>N\u0103m 2026, b\u1ea3o m\u1eadt WordPress kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn m\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh <strong>y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c<\/strong>. V\u1edbi h\u01a1n <a href=\"https:\/\/wpmanageninja.com\/wordpress-security-statistics\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>90.000 cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ed7i ph\u00fat<\/strong><\/a> nh\u1eafm v\u00e0o c\u00e1c website WordPress, vi\u1ec7c thi\u1ebfu \u0111i c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 c\u01a1 b\u1ea3n ch\u1eb3ng kh\u00e1c n\u00e0o bi\u1ebfn website c\u1ee7a b\u1ea1n th\u00e0nh &#8220;bia \u0111\u1ee1 \u0111\u1ea1n&#8221; cho tin t\u1eb7c. \u0110\u1eebng \u0111\u1ec3 website c\u1ee7a b\u1ea1n tr\u1edf th\u00e0nh n\u1ea1n nh\u00e2n ti\u1ebfp theo. H\u00e3y h\u00e0nh \u0111\u1ed9ng ngay h\u00f4m nay \u0111\u1ec3 c\u1ee7ng c\u1ed1 an ninh v\u00e0 \u0111\u1ea3m b\u1ea3o t\u01b0\u01a1ng lai v\u1eefng ch\u1eafc cho s\u1ef1 hi\u1ec7n di\u1ec7n tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 id=\"Nh\u1eefng_c\u00e2u_h\u1ecfi_th\u01b0\u1eddng_g\u1eb7p\"><a id=\"post-114771-_e3gvt6tx4tfk\"><\/a><strong>Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n\n\n\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"C\u00f3_n\u00ean_t\u1eaft_XML-RPC_trong_WordPress_kh\u00f4ng?\">C\u00f3 n\u00ean t\u1eaft XML-RPC trong WordPress kh\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p>N\u1ebfu kh\u00f4ng c\u1ea7n thi\u1ebft, b\u1ea1n n\u00ean t\u1eaft XML-RPC v\u00ec \u0111\u00e2y l\u00e0 m\u1ed9t \u0111i\u1ec3m y\u1ebfu d\u1ec5 b\u1ecb l\u1ee3i d\u1ee5ng trong c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS ho\u1eb7c brute-force. <\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"C\u1ea7n_l\u00e0m_g\u00ec_n\u1ebfu_website_WordPress_b\u1ecb_t\u1ea5n_c\u00f4ng?\">C\u1ea7n l\u00e0m g\u00ec n\u1ebfu website WordPress b\u1ecb t\u1ea5n c\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p>N\u1ebfu website b\u1ecb t\u1ea5n c\u00f4ng, b\u1ea1n c\u1ea7n kh\u00f4i ph\u1ee5c t\u1eeb b\u1ea3n sao l\u01b0u, qu\u00e9t website \u0111\u1ec3 lo\u1ea1i b\u1ecf ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i v\u00e0 c\u1eadp nh\u1eadt t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt. <\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"C\u00f3_n\u00ean_s\u1eed_d\u1ee5ng_SSL_\u0111\u1ec3_b\u1ea3o_v\u1ec7_website_WordPress_kh\u00f4ng?\">C\u00f3 n\u00ean s\u1eed d\u1ee5ng SSL \u0111\u1ec3 b\u1ea3o v\u1ec7 website WordPress kh\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p>T\u1ea5t nhi\u00ean l\u00e0 c\u00f3! 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Theo Sucuri n\u0103m 2024: c\u00f3 83% c\u00e1c website b\u1ecb t\u1ea5n c\u00f4ng l\u00e0 t\u1eeb c\u00e1c n\u1ec1n t\u1ea3ng CMS, trong \u0111\u00f3 WordPress chi\u1ebfm 43.2% t\u1ed5ng s\u1ed1 website tr\u00ean Internet. Vi\u1ec7c t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea3o [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":114772,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7381],"tags":[7386],"class_list":["post-114771","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bao-mat-wordpress","tag-bao-mat-wordpress"],"_links":{"self":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/114771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/comments?post=114771"}],"version-history":[{"count":11,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/114771\/revisions"}],"predecessor-version":[{"id":122205,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/114771\/revisions\/122205"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media\/114772"}],"wp:attachment":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media?parent=114771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/categories?post=114771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/tags?post=114771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}