Supports push authentication, soft token, email verification, security questions.
This plugin enables user enrollment and authentication against any standard OpenID Provider (OP).
OpenOTP plugin Enable two-factor authentication for your admins and/or users
The plugin will transparently handle any OpenOTP Login Mode including, LDAP only, OTP only and LDAP+OTP/U2F.
Authy is the easiest and fastest way to add strong 2 Factor Authentication to your WordPress blog.
PassBy[ME] improves the security of your WordPress website. Enable two-factor authentication for your users now.
Two factor authentication by REVE Secure
SAASPASS provides the easiest way to secure your Wordpress with two-factor authentication (2FA) and enable passwordless security. MFA made amazing!
Make usernames and passwords obsolete. SnapID identifies and authenticates when you send a text message. Completely secure, incredibly convenient.
60 seconds setup Two Factor Authentication (2FA). Featuring custom login URL, page customisation and 3 secure authentication methods.
Modern two-factor that people love to use: strong authentication without passwords or tokens; single sign on/off; magical login experience.
Note:
This plugin is incompatible to "Super Socializer" plugin, from Heateor.
Safeguard is an SMS & Email based OTP service provider plugin. Also available woocommerce transactional alert.
Google Authenticator(2FA) works out of the box on your wordpress site without any third party service involvement. Two Factor Authentication made easy. Supports Google Authenticator and Authy Authenticator App.