Security authentication plugins for the WordPress platform are effective against any brute force attacks and they help track IP, names and passwords. These plugins require very strong passwords and support some amazing features like idle timeout and maintenance mode lockdown. These WordPress Plugins thoroughly examine and enforce password strength and are capable of notifying webmasters of breaches and attacks from external IPs.
Security Ninja Plugins Bundle – $38
Yubikey 2 Factor Authentication for WordPress – $18
Efficient and Highly Secure Authentication for WordPress – $19
Security Ninja – $11
If a login failure uses data matching a previous failure, the plugin slows down the response time and the more the number of failures, the greater the delay. If the modules detect a breach in account, the user is immediately logged out and forced to reset their WordPress Password Plugins.
Gives Current State of Security – $18
Strong Two-Factor Security Authentication
Sucuri WordPress Security plugin