Wordfence Security is a free enterprise class security and performance plugin that makes your site up to 50 times faster and more secure.
WordPress core security class: A Web Application Firewall to protect your WordPress web portal
No setup required! You only need an SSL certificate, and this plugin will do the rest.
WordPress Website Security Protection: Firewall Security, Login Security, Database Security... Effective, Reliable, Easy to use...
Performs a security audit to detect PHP and WordPress vulnerabilities and solve them.
The Sucuri WordPress Security plugin is a security toolset for security integrity monitoring, malware detection and security hardening.
Adds more security for your website. Server-side scanning. Performs deep website scans of all the files. Virus/Malware detection and removal.
The most advanced protection against sploggers and spam users registration, is fully WordPress,WordPress MU ,BuddyPress and bbPress 2.0 compatible
Defence from all attacks with Security by Supsyctic. Firewall, Login Security, Hide WordPress, Blacklist, Country blocking, captcha on login and more
Adds Graphic Captcha Protection field for login, registration, lost password, comments pages. Perfect antispam solution for your website.
Plugin adds extra graphic password for your administrator account and adds a higher level of security to your website.
Plugin sends notifications by email after successful and failed login actions with detailed information about the user and his location.
Plugin prevents access to admin area without appropriate access key and adds a higher level of security to your website.
One click security scan. Fast security audit the files of your WordPress install for hidden backdoors, code-eval, encrypted iframes and malicious link
Sucuri Security Website Firewall (CloudProxy) is a subscription based WAF and Cloud-based IPS designed to provide optimal security to everyday website
Lockdown WP Admin conceals the administration and login screen from intruders. It can hide WordPress Admin (/wp-admin/) and and login (/wp-login.php)
The Advanced WordPress Security plugin Developed by World Web Arts to protect your wordpress website from virus and malicious attack by permission set
Shows how safe your blog is. This plugin displays the estimated security of your blog by analyzing your website regarding various parameters. You can
SmartFilter Security is the best security plugin to protect your WordPress site from malicious code injections in your posts and comments.
ipBlockList.com is a community and server based blocklist that is constantly updated with the help of user submission and web server iptable reports.
Scans wordpress website server security for detecting possible vulnerabilities and hacks.