Really Simple Security – Simple and Performant Security (formerly Really Simple SSL)

Improve Security with Really Simple Security Pro

Protect your site with all essential security features by upgrading to Really Simple Security Pro.

Advanced SSL enforcement

• Mixed Content Scan & Fixer. Detect files that are requested over HTTP and fix them to HTTPS, both Front- and Back-end.
• Enable HTTP Strict Transport Security and configure your site for the HSTS Preload list.

Firewall

Really Simple Security Pro includes a performant and efficient WordPress firewall, to stop bots, crawlers and bad actors with IP and username blocks.

• 404 blocking – Blocks crawlers as they trigger unusual numbers of 404 errors.
• Region blocking – Only allow/block access to your site from specific regions.
• Automated and customisable Firewall rules.
• IP blocklist and allowlist.

Security Headers

Security headers protect your site visitors against the risk of clickjacking, cross-site-forgery attacks, stealing login credentials and malware.

• Independent of your Server Configuration, works on Apache, LiteSpeed, NGINX, etc.
• Protect your website visitors with X-XSS Protection, X-Content-Type-Options, X-Frame-Options, a Referrer Policy and CORS headers.
• Automatically generate your WordPress-tailored Content Security Policy.

Vulnerability Measures

When a vulnerability is detected in a plugin, theme or WordPress core you will get notified accordingly. With Vulnerability Measures, you can configure simple but effective measures to make sure that a critical vulnerability won’t remain unattended.

• Force update: An update process will be tried multiple times until it can be assumed development of a theme or plugin is abandoned. You will be notified during these steps.
• Quarantine: When a plugin or theme can’t be updated to solve a vulnerability, Really Simple Security can quarantine the plugin.

Advanced Site Hardening

• Choose a custom login URL
• Automated File Permissions check and fixer
• Rename and randomize your database prefix
• Change the debug.log file location to a non-public folder
• Disable application passwords
• Control admin creation
• Disable HTTP methods, reducing HTTP requests

Login Protection

Secure your website’s login process and user accounts with powerful security measures.

• Two-Step verification (Email login)
• 2FA (two factor authentication) with TOTP
• Passwordless login with passkey login
• Enforce strong passwords and frequent password change
• Limit Login Attempts

With Limit Login Attempts you can configure a threshold to temporarily or permanently block IP addresses or (non-existing) usernames. You can also throw a CAPTCHA after a failed login (hCaptcha or Google reCaptcha)

Access Control

• Restrict access to your site for specific regions.
• Add specific IP addresses or IP ranges to the Blocklist or Allowlist.

Useful Links

• Documentation
• Security Definitions
• Translate Really Simple Security
• Issues & pull requests
• Feature requests

Love Really Simple Security?

If you want to support the continuing development of this plugin, please consider buying Really Simple Security Pro , which includes some excellent security features and premium support.

About Really Simple Plugins

Our mission is to make complex WordPress requirements really easy. Really Simple Security is developed by Really Simple Plugins .

For generating SSL certificates, Really Simple Security uses the le acme2 PHP Let’s Encrypt client library, thanks to ‘fbett’ for providing it. Vulnerability Detection uses WP Vulnerability, an open-source initiative by Javier Casares. Want to join as a collaborator? We’re on GitHub as well!