Hide My WP – No one can know you use WordPress
Hide My WP control access to PHP files. It protects your website from almost 90% of SQL-Injection and XSS attacks caused by direct access to PHP files.
This means you can install unsafe/non-compatible plugins without worry about security. You know hackers, spammers and bots all love WordPress, too but with Hide My WP they can’t recognize WordPress and simply ignore you!
Update: Hide My WP 2.2 was released.