SiteBrains blocks spam posts using a completely configurable set of rules. Both interactively as the user types and on our servers upon submission.
TheThe CAPTCHA is a WP plugin that blocks spam from comment boards and registration forms by generating simple tests that only humans can easily pass.
This plugin locks user account after given number of incorrect login attempts. This makes brute force and dictionary attacks nearly impossible.
Wired Goons Header (WGH) allows you to check and remove what's loaded in the header from plugins, themes and default options.
A WordPress utility that can be used by itself or with an active subscription from http://mycodetree.com.
Safe Your WordPress from SQL Injection Attacks.
Whisper Comment Reloaded is a WordPress plugin for commenters to control comment visibility for other viewers.
Version: 2.3.6 Some tools for securing WordPress on Rackspace's Cloud Sites hosting.
This plugin sends an email to the administrator for each login.
Allows you to easily require SSL for specific pages.
This plugin acts as a tripwire for you. It will give you a list of all files changed on your WordPress site in the last 1-99 days.
Version: 2.0 Prevent virtual directory listing services from listing the contents of directories, and/or show a page in place of a directory's l
SecureLive for WordPress
AVOID TO USE THIS PLUGIN! Change wp-admin and wp-login URL to any of your choice. Security by obscurity!
Version: 3.1 Configure SMTP mailing in WordPress, including support for sending e-mail via SSL/TLS (such as GMail).
Perfect Paper Passwords for your WordPress blog.
Changes or removes the generator meta tag to confuse hacking scripts, etc., to provide a small, additional layer of security.
Protects Categories, Pages and Posts for specific users & anonymous visitor
Removes your WordPress version from various places.
WP Plugin Security Check checks if your WordPress plugins are 'safe'.
BadPass helps to promote better password selection by warning users when they are using a common password.
Protect your forms from spam with hard to break and easy to read Secure CAPTCHA images from SecureCAPTCHA.net.
Automatically scatters invisible links to Project Honey Pot spam traps throughout your wordpress blog to help catch and stop spammers.
"Re-imagined" version of Semisecure Login that uses public and secret-key encryption to encrypt passwords when logging in.
This plugin protects your WPMU signup process against spambots with a simple math question.
Protect your downloads from non-members and leechers.
This plugin will Prevent and CopyProtect Your WordPress Blog from fraudulent copies .
Returns 'Page Not Found' 404 error message for IP's visiting your blog specified in the IP Ban option on the Discussion Options page.