This plugin will enhance the security of your WordPress.
Proper security for your WordPress site.
This plug-in adds a `Login with MySpaceID' button to the login page.
Secure login to your site by tapping just one button on the phone, no password required.
Sekur Me Login: Eliminate UserIDs and Passwords, securely. Login with your fingerprint.
Allow OpenID based commenters to add their thoughts via comments on your WordPress blog. This plugin is not an OpenID server.
Content display management regulated by time locks.
Passwordless multi-factor authentication.
This plugin turns your WordPress website into an OAuth Consumer. It allowsallows your users to sign in with any OAuth provider.
Use the Bugzilla MySQL database as an external authentication source in WordPress.
Token2 Hardware Tokens for your WordPress blog.
A login alternative to OpenID, designed for blogs and anything else you can think of!
Allows administrators to restrict user login based on user roles.
Enables your users to log in to your site without manually entering the password. Instead, user just taps one button on his phone.
二段階認証プラグイン - Caret Two Stage Authentication
Authentication plugin for oAuth2.0 with UNINETTS Dataporten.
A plugin for authentication/authorisation using Cloudware City for subscription access to a WordPress installation.
Allows wordpress users to automatically log into phpMyDirectory. The sessions are shared and accounts are created automatically if they do not exist.
Authenticate users using Sun's Open Single Sign On service.
Add TOZNY as an authentication option to your WordPress.
The AndroCaptcha - Android like Captcha for for WordPress plugin is a plugin that includes a captcha like an android lock screen on the admin login pa
Security against all current password hacking techniques and more....
The plugin allows WordPress hosts to enable federated login for their WordPress site using Windows Azure AppFabric Access Control Service (ACS) 2.0.
Make your site private by only allowing access to registered users.
Integrate Central Authentication Service (CAS) with WordPress
Sovay secures your identity and your WordPress site logins. Authenticate once and securely access all your sites — without password hassles.
URQUi is based on ephemeral numbers, that are used as keys to identify individuals.
Perfect Paper Passwords for your WordPress blog.
InWebo strong authentication plugin for WordPress
Wp Private Access adds an http authentication dialog using WordPress users database