Security Plugins and install hardening
Limit rate of login attempts, including by way of cookies, for each IP. Fully customizable.
Secure your website with the most comprehensive WordPress security plugin. Firewall, malware scan, blocking, live traffic, login security & more.
iThemes Security is the #1 WordPress Security Plugin
The Sucuri WordPress Security plugin is a security toolset for security integrity monitoring, malware detection and security hardening.
WordPress Security Protection: Malware scanner, Firewall, Login Security, DB Backup, Anti-Spam & much more.
This plugin blocks distributed botnet brute-force attacks on your Wordpress installation.