Authorizer limits login attempts, restricts access to specified users, and authenticates against external sources (e.g., Google, LDAP, or CAS).
This Plugin allows developers to integrate Latch on his/her WordPress service.
Enables to login with WordPress user e-mail address.
The bookmark to login nobody but you. Simple and secure.
Adds a field to the user's profile for redirection upon login.
This plugin protects your registered user base by preventing registration with a disposable email addresse (like the ones provided by mailinator).
Maven Member™ lets you protect pages, posts and categories using flexible roles that you can define.
With this plugin, you can ask users to authenticate before they can see your WordPress site.
Integrate your WordPress site with Gigya
A plugin to authenticate users migrated from Joomla/Mambo to WordPress.
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.
Adds AuthPro.com remotely hosted service support to your WordPress website.
Social Login plugin allows you to let customers associate their social (Facebook and Google+) profiles with your ecommerce site.
Easy to use WordPress plugin to insert any Ads to your posts and BuddyPress sections.
Plugin adds extra graphic password for your administrator account and adds a higher level of security to your website.
WP Smart Security is a comprehensive and easy to use WordPress security plugin. It gives you over 50+ ways to secure and protect your WordPress site.
A feature plugin for core to provide Two-Factor Authentication.
Authenticates users through LDAP.
Allows you to setup single sign on capabilities between your site and Freshdesk. Create's user accounts on the fly, automatically logs in users.
Secure login with captcha, two factor authentication and brute force attack protection. Temporary and permanent blacklists for more login security
Install this plugin on unlimited sites and manage them all from a central dashboard.
Install this plugin on unlimited sites and manage them all from a central dashboard. This plugin communicates with your WPSupervisor Admin Panel.
Hides logo in WordPress login screen to make it clearer.
Safe Your WordPress from SQL Injection Attacks.
This plugin makes it mandatory to be logged in before viewing any content.
Mighty-CAPTCHA add an authentication with Google reCAPTCHA technology to login, comment, and register form, with API keys which delivered by Google.
Permit access to your blog only to the logged in users
3rd Party Authentication is a wordpress plugin that allows wordpress to authenticate against other authentication systems.
Override restrictions on WordPress network usernames.