AAll-In-One Security (AIOS): version, compatibility and updates

All-In-One Security (AIOS) is a WordPress plugin with 1+ million active installs. The current version on WordPress.org is 5.5.1, last updated on 30 October 2026.

Facts from WordPress.org

Does All-In-One Security (AIOS) work with WordPress 7.2?

All-In-One Security (AIOS) says it was tested up to WordPress 7.1.4. It does not yet say it has been tested with WordPress 7.2. See the full WordPress 7.2 compatibility list.

What the plugin says about itself

THE TOP RATED WORDPRESS SECURITY AND FIREWALL PLUGIN All-in-One Security (AIOS) is a WordPress security plugin from the same, trusted team that brought you UpdraftPlus. It’s called ‘All-In-One’ because it’s packed full of ways to keep your WordPress website(s) safe and secure. It includes: Login security features keep bots at bay. Lock out users based on a configurable number of login attempts, get two-factor authentication and more. File and database security. Get notified of file changes that occur outside of normal operations. Block access to key files and scan files and folders to spot insecure permissions. Firewall. Get PHP, .htaccess and 6G firewall rules courtesy of Perishable Press. Spot and block fake Google Bots and more! Spam prevention. Prevent annoying spam comments and reduce unnecessary load on the server. Automatically and permanently block IP addresses that exceed a set …

Newest changelog entry

5.5.1 – 30/Oct/2026 FIX: Updated Cloudflare Turnstile key check regex to allow underscores and hyphens. TWEAK: Removed unused lib-central library. TWEAK: Add a Black Friday promo.

Recent releases

Days are when each version's tag was created in WordPress.org's code repository.

Questions