Send and receive e-mails on the administration panel and optionally receive SMS messages when new messages or comments arrive.
One-time password system conform RFC 2289 to protect your weblog in less trustworthy environments, like internet cafés.
WP Sentry allows WordPress authors to grant access to individual private posts to users and groups of users.
Add reCAPTCHA to your WordPress login form
Replaces the irritating so-called "Matrix easter-egg" message with a no-fuss error message.
Maven Member™ lets you protect pages, posts and categories using flexible roles that you can define.
Securio WP-Login allows you to secure the wordpress login by tracking brute force attempts and by allowing the enabling of Multi-Factor Authentication
Forces all logged in users to stay on SSL connection
Monitor and display registered users activity (logins, posts, comments, etc.). You can also track and prevent hackering attemps, with IP blacklisting.
Plugin tool for assembling lists of IP addresses, emails, and URLs from spam comments.
Simple Groups Plugin for WordPress is a very simple plugin that adds Basic Group functionality to the Users system. The groups can be used via a shor
Simple Login Lockdown prevents brute force login attacks/attempts on your WordPress installation.
Totally disables XMLRPC, preventing the recent Pingback spam vulnerability.
Whitelist User IP addresses. If a user logs in from an unknown IP the plugin sends an email to the user and optionally the admin with a one-time key.
Manage and Monitor WordPress Cron Scheduling System
Control remote publishing with XML-RPC from the writing settings page.
Displays a virtual, on-screen keyboard to enter the wordpress password in a safer way, for example in internet cafés.
Enhances the wordpress security with a login attempt counter an a file scanner
This is a strong authentication plugin. You have to fill a second field, kind of password but this one comes from a printed card you own (FR/EN).
Anti Flood Security Gateway Module
Two-factor authentication for your blog. Stop hackers before they get into your administration section!
This plugin drastically increases the security of the hash used to store passwords
This plugin allows you to log into your wordpress using the free https service from intosecure inc.
This plugin is real simple and basic, it doesn't allow anyone that does not have admin rights to access wp-admin. This will help ensure security.
Change your admin username to whatever you like. Improve your site security and make life difficult for the hackers.
Integrates SpamCaptcher anti-spam methods with WordPress including comment and registration spam protection.
Helps adding a precise Safe Harbor compliant, CRM alike Double Opt Contact Form to User's profile.
Displays the status of WP_DEBUG, DISALLOW_FILE_EDIT, and DISALLOW_FILE_MODS in the Toolbar.
PHPIDS for WordPress
A SMALL popup with customizable message about the avaliablity of a free OS replacement for Windows, and Mac.