Easily add Two Factor Authentication to protect sites from unauthorized login attempts.Support SMS,QR Code,Push,Google Authenticator,Device Id.
Instant account security with effortless, email-based two-factor authentication; optional mobile app for more security; no tokens.
A feature plugin for core to provide Two-Factor Authentication.
The Wordfence WordPress security plugin provides free enterprise-class WordPress security, protecting your website from hacks and malware.
Modern two-factor that people love to use: strong authentication without passwords or tokens; single sign on/off; magical user experience.
Single Sign On for Enterprises + Social Login + User/Passwords. For all your WordPress instances. Powered by Auth0.
Make usernames and passwords obsolete. SnapID identifies and authenticates when you send a text message. Completely secure, incredibly convenient.
Defence from all attacks with Security by Supsyctic. Firewall, Login Security, Hide WordPress, Blacklist, Country blocking, captcha on login and more
Secure login with captcha, two factor authentication and brute force attack protection. Temporary and permanent blacklists for more login security
Enables your users to log in to your site without manually entering the password. Instead, user just taps one button on his phone.
Secure login to your site by tapping just one button on the phone, no password required.
Add SMS support to "Two Factor" feature as a plugin
Token2 Hardware Tokens for your WordPress blog.
WWPass authentication plugin for WordPress.
LaunchKey eliminates the need and liability of passwords by letting you log in and out of WordPress with your smartphone or tablet.
Use the SecSign ID two-factor authentication on your WordPress site to enable easy and secure login using your iPhone or Android phone.
UNLOQ provides a free, easy to use and integrate, strong authentication systems that replaces passwords with your phone.
Easily add Duo Security two-factor authentication to your WordPress website. Enable two-factor authentication for your admins and/or users.
Toopher's Location-based Two-Factor Authentication protects your website from unauthorized logins.
Protect your WordPress site with Token2 two-factor authentication
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.
Secure your site with Two-Factor Authentication (TFA) using the Clickatell SMS gateway.
Add TOZNY as an authentication option to your WordPress.
Sovay secures your identity and your WordPress site logins. Authenticate once and securely access all your sites — without password hassles.
This plugin adds Authy two-factor authentication to WordPress.
OpenOTP plugin Enable two-factor authentication for your admins and/or users
Add Two Factor Authentication for WordPress using your smartphone or tablet and the Free Tokenizer service (tokenizer.com).
Proper security for your WordPress site.
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.