{"id":15,"date":"2026-09-03T17:20:16","date_gmt":"2026-09-03T17:20:16","guid":{"rendered":"http:\/\/127.0.0.1:8080\/index.php\/2026\/09\/03\/bao-mat-web-va-co-so-du-lieu-nhung-nguyen-tac-cot-loi-khong-the-bo-qua\/"},"modified":"2026-09-03T17:20:16","modified_gmt":"2026-09-03T17:20:16","slug":"bao-mat-web-va-co-so-du-lieu-nhung-nguyen-tac-cot-loi-khong-the-bo-qua","status":"publish","type":"post","link":"https:\/\/zunliz.com\/index.php\/2026\/09\/03\/bao-mat-web-va-co-so-du-lieu-nhung-nguyen-tac-cot-loi-khong-the-bo-qua\/","title":{"rendered":"B\u1ea3o m\u1eadt Web v\u00e0 C\u01a1 s\u1edf d\u1eef li\u1ec7u: Nh\u1eefng nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i kh\u00f4ng th\u1ec3 b\u1ecf qua"},"content":{"rendered":"<p>B\u1ea3o m\u1eadt lu\u00f4n l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u c\u1ee7a m\u1ecdi h\u1ec7 th\u1ed1ng th\u00f4ng tin. M\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u1ee7i ro l\u1ed9 l\u1ecdt d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn uy t\u00edn c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u.<\/p>\n<h2>1. Ph\u00f2ng ch\u1ed1ng SQL Injection v\u00e0 XSS<\/h2>\n<p>Hai h\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng ph\u1ed5 bi\u1ebfn nh\u1ea5t nh\u1eafm v\u00e0o c\u00e1c \u1ee9ng d\u1ee5ng web l\u00e0 SQL Injection v\u00e0 Cross-Site Scripting (XSS):<\/p>\n<ul>\n<li><strong>Prepared Statements (Parameterized Queries):<\/strong> Lu\u00f4n s\u1eed d\u1ee5ng truy v\u1ea5n tham s\u1ed1 h\u00f3a thay v\u00ec n\u1ed1i chu\u1ed7i tr\u1ef1c ti\u1ebfp \u0111\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a m\u00e3 SQL \u0111\u1ed9c h\u1ea1i.<\/li>\n<li><strong>Sanitize &amp; Escape Output:<\/strong> Ki\u1ec3m tra v\u00e0 l\u00e0m s\u1ea1ch to\u00e0n b\u1ed9 d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o t\u1eeb ng\u01b0\u1eddi d\u00f9ng tr\u01b0\u1edbc khi hi\u1ec3n th\u1ecb l\u1ea1i tr\u00ean giao di\u1ec7n.<\/li>\n<\/ul>\n<h2>2. M\u00e3 h\u00f3a k\u1ebft n\u1ed1i v\u1edbi SSL\/TLS (HTTPS)<\/h2>\n<p>B\u1eaft bu\u1ed9c s\u1eed d\u1ee5ng giao th\u1ee9c HTTPS \u0111\u1ec3 m\u00e3 h\u00f3a to\u00e0n b\u1ed9 l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u truy\u1ec1n gi\u1eefa tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7, ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nghe l\u00e9n (Man-in-the-Middle).<\/p>\n<h2>3. Qu\u1ea3n l\u00fd ph\u00e2n quy\u1ec1n v\u00e0 x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (2FA)<\/h2>\n<p>Th\u1ef1c hi\u1ec7n nguy\u00ean t\u1eafc \u0111\u1eb7c quy\u1ec1n t\u1ed1i thi\u1ec3u (Principle of Least Privilege), ch\u1ec9 c\u1ea5p quy\u1ec1n v\u1eeba \u0111\u1ee7 cho c\u00e1c t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb v\u00e0 k\u00edch ho\u1ea1t x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 \u0111\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c nh\u1ea1y c\u1ea3m.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea3o m\u1eadt lu\u00f4n l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u c\u1ee7a m\u1ecdi h\u1ec7 th\u1ed1ng th\u00f4ng tin. M\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u1ee7i ro l\u1ed9 l\u1ecdt d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn uy t\u00edn c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u. 1. Ph\u00f2ng ch\u1ed1ng SQL Injection v\u00e0 XSS Hai h\u00ecnh th\u1ee9c t\u1ea5n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-15","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/zunliz.com\/index.php\/wp-json\/wp\/v2\/posts\/15","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zunliz.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zunliz.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zunliz.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zunliz.com\/index.php\/wp-json\/wp\/v2\/comments?post=15"}],"version-history":[{"count":0,"href":"https:\/\/zunliz.com\/index.php\/wp-json\/wp\/v2\/posts\/15\/revisions"}],"wp:attachment":[{"href":"https:\/\/zunliz.com\/index.php\/wp-json\/wp\/v2\/media?parent=15"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zunliz.com\/index.php\/wp-json\/wp\/v2\/categories?post=15"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zunliz.com\/index.php\/wp-json\/wp\/v2\/tags?post=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}