{"id":2191,"date":"2025-10-03T09:26:32","date_gmt":"2025-10-03T13:26:32","guid":{"rendered":"https:\/\/templates.bricksmade.com\/defense\/?p=2191"},"modified":"2026-01-27T09:47:37","modified_gmt":"2026-01-27T14:47:37","slug":"single-post","status":"publish","type":"post","link":"https:\/\/templates.bricksmade.com\/defense\/2025\/10\/03\/single-post\/","title":{"rendered":"Safe Code Handbook: Proven Practices for Modern Developers"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Validate Input, Always<\/strong><\/h3>\n\n\n\n<p><strong>Never trust user input.<\/strong> Validate and sanitize all data coming from outside your system\u2014whether it\u2019s a web form, API call, or uploaded file.<\/p>\n\n\n\n<p>Use strict validation rules<br>Whitelist acceptable inputs<br>Never assume client-side validation is enough<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Escape Output to Prevent XSS<\/strong><\/h3>\n\n\n\n<p>When displaying user data on web pages, make sure to <strong>escape or encode<\/strong> it properly. This blocks malicious scripts from executing in the browser.<\/p>\n\n\n\n<p>Use templating engines with auto-escaping<br>Sanitize HTML if necessary<br> Don\u2019t trust input even if it \u201clooks safe\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Use Parameterized Queries (Always)<\/strong><\/h3>\n\n\n\n<p>Avoid SQL injection attacks by using <strong>prepared statements or ORM frameworks<\/strong>. Never concatenate user input into SQL queries.<\/p>\n\n\n\n<p>Use <code>?<\/code> placeholders or parameter binding<br>Avoid raw SQL unless necessary<br>Don\u2019t build SQL strings manually<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Protect Secrets and Credentials<\/strong><\/h3>\n\n\n\n<p>Hardcoding secrets in your codebase is a major security risk.<\/p>\n\n\n\n<p>Use environment variables or secret management tools<br>Rotate secrets regularly<br>Never commit <code>.env<\/code> files or API keys to Git<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Apply the Principle of Least Privilege<\/strong><\/h3>\n\n\n\n<p>Only give your code the permissions it absolutely needs\u2014<strong>nothing more<\/strong>.<\/p>\n\n\n\n<p>Restrict database roles, API keys, and OS permissions<br>Separate environments (dev\/test\/prod)<br>Don\u2019t use admin credentials everywhere<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Fail Securely<\/strong><\/h3>\n\n\n\n<p>When something goes wrong, <strong>fail in a secure way<\/strong>. Don\u2019t reveal internal errors or stack traces to the end user.<\/p>\n\n\n\n<p>Show generic error messages<br>Log detailed errors securely<br>Avoid debug logs in production<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Validate Input, Always Never trust user input. Validate and sanitize all data coming from outside your system\u2014whether it\u2019s a web form, API call, or uploaded file. Use strict validation rulesWhitelist acceptable inputsNever assume client-side validation is enough Escape Output to Prevent XSS When displaying user data on web pages, make sure to escape or encode [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1925,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2191","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sample"],"_links":{"self":[{"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/posts\/2191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/comments?post=2191"}],"version-history":[{"count":3,"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/posts\/2191\/revisions"}],"predecessor-version":[{"id":2194,"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/posts\/2191\/revisions\/2194"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/media\/1925"}],"wp:attachment":[{"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/media?parent=2191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/categories?post=2191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/templates.bricksmade.com\/defense\/wp-json\/wp\/v2\/tags?post=2191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}