Modern two-factor that people love to use: strong authentication without passwords or tokens; single sign on/off; magical login experience.
Easily add Duo Security two-factor authentication to your WordPress website. Enable two-factor authentication for your admins and/or users.
Google Authenticator and Best Enterprise Grade Two Factor Authentication. Fully supported, Latest Authentication methods. Remember Device,Authy,Email.
Instant account security with effortless, email-based two-factor authentication; optional mobile app for more security; no tokens.
Authy is the easiest and fastest way to add strong 2 Factor Authentication to your WordPress blog.
Login by Auth0 provides improved Username/password login, Passwordless login, Social login and Single Sign On for all your sites.
Adds an extra layer of security to your WordPress Account. Same as Google 2-step verification.
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.
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.
A feature plugin for core to provide Two-Factor Authentication.
Secure login with captcha, two factor authentication and brute force attack protection. Temporary and permanent blacklists for more login security
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.
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.
Make usernames and passwords obsolete. SnapID identifies and authenticates when you send a text message. Completely secure, incredibly convenient.
Authorize IP Address prevent login from unknown IP address. Whitelist User IP addresses. If a user logs in from an unknown IP the plugin sends an ema
Secure your site with Two-Factor Authentication (TFA) using the Clickatell SMS gateway.
Proper security for your WordPress site.
Add TOZNY as an authentication option to your WordPress.
Add Two Factor Authentication for WordPress using your smartphone or tablet and the Free Tokenizer service (tokenizer.com).
Sovay secures your identity and your WordPress site logins. Authenticate once and securely access all your sites — without password hassles.
Protect your WordPress site with Token2 two-factor authentication
Token2 Hardware Tokens for your WordPress blog.
Enables your users to log in to your site without manually entering the password. Instead, user just taps one button on his phone.
UNLOQ provides a free, easy to use and integrate, strong authentication systems that replaces passwords with your phone.
Add SMS support to "Two Factor" feature as a plugin
Protect your worpdress with two-factor authentication based on face recognition service provided by FACE2.in. FACE2 provides a hosted face recognition
A WordPress plugin that allows users to login by authenticating with Passport via OAuth 2.0.
SuperAuth is the truly passwordless authentication system. No passwords, no usernames, no typing, nothing to forget, and completely secure.