Single Sign-On service for secure login to web sites by tapping just one button on your phone, no password required.
Easily add Duo Security two-factor authentication to your WordPress website. Enable two-factor authentication for your admins and/or users.
The easiest and most secure way to log in to WordPress: no passwords, no temporary codes, single sign-on/off.
LaunchKey eliminates the need and liability of passwords by letting you log in and out of WordPress with your smartphone or tablet.
WWPass authentication plugin for WordPress
Wordfence Security is a free enterprise class security and performance plugin that makes your site up to 50 times faster and more secure.
Use the SecSign ID two-factor authentication on your WordPress site to enable easy and secure login using your iPhone or Android phone.
Single Sign On for Enterprises + Social Login + User/Passwords. For all your WorpdPress instances. Powered by Auth0.
Adds Graphic Captcha Protection field for login, registration, lost password, comments pages. Perfect antispam solution for your website.
Plugin adds extra graphic password for your administrator account and adds a higher level of security to your website.
Toopher's Location-based Two-Factor Authentication protects your website from unauthorized logins.
This plugin adds Authy two-factor authentication to WordPress.
Proper security for your WordPress site.
OpenOTP plugin Enable two-factor authentication for your admins and/or users
OneID is an easy-to-integrate plug-in that lets your users log in with a click or tap, eliminating the need for usernames and passwords.
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