iThemes Security Pro is a WordPress plugin from iThemes developers, that takes your website security to the next level. Your WordPress website needs a security strategy that includes a trusted WordPress security plugin like iThemes Security Pro. WordPress currently powers over 25% of all websites, so it has become an easy target for hackers with malicious intent. Make sure your WordPress website is secure and protected with iThemes Security Pro. iThemes Security Pro works to fix common WordPress security issues you may not know exist. By adding an extra layer of protection, iThemes Security Pro helps give you peace of mind—and keeps the bad guys out. Here is a main plugin features: WordPress Brute Force Protection. Limit the number of failed login attempts allowed per user with WordPress brute force protection. If someone is trying to guess your password, they'll get locked out after a few attempts.