Basic Auth for Wordpress.
Simple plugin to block login hijackers using apache and .htaccess. Simple and resource efficient way to protect your blog. Works with Apache from 1.3 to 2.4.
Fireauth is a plugin that enables Firebase authentication in Wordpress
Enscrypt replaces WordPress authentication protocols with a mechanism that uses the far more secure scrypt hashing algorithm.
WordPress plugin for Fetchwitter PHP Library to fetch the Tweets from a Twitter user timeline.
For GEORGIAN users. Secure login page with one-time SMS-CODE [ Georgian SMS two-step authentification, login]
Frontend HTTP Authentication Protection makes private front part of your website. When web developer like to give demo of website to end client before release of final website, this plugin provides security to your site from search engine and other visitors.
Control whether Remember Me is selected on the WordPress Login Form, without using any JavaScript.
Give your WordPress website the power of Stormpath Authentication.
HTTP Authentication lets you make a site without letting anyone view it without valid credentials. This can protect the full site or only admin pages.
Auth LDAP / AD, Simple as HELL !
Plugin IP Dependent Cookies makes your Wordpress installation more secure adding your IP to salt (which makes cookies IP-dependent).
Security against brute force attacks by tracking IP, name, password; requiring very strong passwords. Idle timeout. Maintenance mode lockdown.
This plugin make improve the security of the administration page by blocking unauthorized access.
Secure your WordPress login with Two Factor Authentication based on Authorizer SecondFactor. For more information see: www.authorizer.de/en/wordpress
Skip the login form and always auth as admin. FOR TEST SITES.
This plugin allows you to Login with OTP/SMS Verification Code with supported forms.
Prevents spammers from duplicating legit comments but with their commenter name and URL
The 1-Click Login WordPress plugin is a simple and secure passwordless authentication service.
Quickly and easily password protect a site to keep it from the prying eyes of google.