WordPress Website Security Protection: Firewall Security, Login Security, Database Security... Effective, Reliable, Easy to use...
Blue Captcha is a powerful and highly customized WordPress plugin that effectively protects your WP blogs from spammers and unwanted persons.
This plugin checks the health of your WordPress installation.
Protect WordPress website – allow and deny access for certain IP addresses, hostnames, etc.
Stop spam bots from registering, logging in, filling out contact forms and commenting on your site without using annoying Captcha codes or puzzles.
Login Security for WordPress to protect your site from robots and hackers.
Secure, 2 step Verification for WordPress login, via One Time Pin (OTP).
Plugin IP Dependent Cookies makes your WordPress installation more secure adding your IP to salt (which makes cookies IP-dependent).