MalCare Security Blog
Practical WordPress security guides from the MalCare team: cleaning hacked sites, hardening WordPress, and choosing the right tools.
527 articles · page 9 of 44

WordPress Not Loading CSS Over HTTPS: How to Find and Fix It
Find the failed stylesheet request and fix WordPress CSS over HTTPS by correcting URLs, cache, generated files, CDN rules, certificates, or proxy detection.
Content Security Policy WordPress: How to Add CSP Safely
Learn how to configure Content Security Policy WordPress header to enhance your site's security and protect against malicious content with this step-by-step guide
WordPress Request Nonce Is Expired: What It Means and How to Fix It
Fix the WordPress Request Nonce Is Expired error by refreshing stale sessions, checking cache, and troubleshooting plugin, REST, or AJAX requests.
wp_verify_nonce in WordPress: What It Checks and How to Use It Safely
WordPress uses a smart feature to help keep things safe. Meet wp_verify_nonce.
WordPress nonce_failure: What It Means and How to Fix It
Learn what WordPress nonce_failure means, protect unsaved work, and fix expired, cached, missing, or mismatched nonce tokens safely.
WordPress Invalid Nonce: What It Means and How to Fix It
An invalid nonce error means WordPress refused the security token that came with your action. You might see it when you save a post, submit a form, log in,
WordPress Nonce: What It Is, How It Works, and How to Verify It
Understand how WordPress nonces protect requests, how to create and verify them in forms, URLs, AJAX, and REST code, and where their limits matter.
Nonce Validation Failed in WordPress: What It Means and How to Fix It
Learn why WordPress reports “nonce validation failed,” how to recover your work, and how to fix cache, session, or code causes safely.
WordPress Mixed Content: Find the HTTP Leak and Fix It Safely
Find and fix WordPress mixed content by identifying HTTP resources, correcting URLs and redirects, reviewing proxy settings, and verifying HTTPS safely.
WordPress Login Redirect Loop 101: How to Fix It Safely
A WordPress login redirect loop feels like a broken account, but the password is usually not the problem.
7 Differences Between Malware and Virus: Beginner’s Guide
Learn about the difference between malware and virus, what they do, and how you can protect against them with anti-virus and anti-malware.
WordPress Malvertising: What It Is and How to Stop It
Identify WordPress malvertising, contain unsafe ads and redirects, remove the underlying malware or ad script, and prevent it from returning.