Wordfence Security is a free enterprise class security and performance plugin that makes your site up to 50 times faster and more secure.
Instantly protects all accounts with effortless, email-based two-factor authentication; optional mobile app for more security; no tokens.
Secure two-factor that people love to use: strong authentication without passwords or tokens; single sign on/off; magical user experience.
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 WordPress instances. Powered by Auth0.
Protect your WordPress site with Token2 two-factor authentication
Toopher's Location-based Two-Factor Authentication protects your website from unauthorized logins.
Secure WordPress login with Two Factor Authentication - supports WooCommerce, front-end configuration, HOTP + TOTP (Google Authenticator, Authy, etc.)
Defence from all attacks with Security by Supsyctic. Firewall, Login Security, Hide WordPress, Blacklist, Country blocking, captcha on login and more
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 login with captcha, two factor authentication and brute force attack protection. Temporary and permanent blacklists for more login security
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
Easily add Duo Security two-factor authentication to your WordPress website. 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).
Single Sign-On service for secure login to web sites by tapping just one button on your phone, no password required.
WWPass authentication plugin for WordPress
Proper security for your WordPress site.
LaunchKey eliminates the need and liability of passwords by letting you log in and out of WordPress with your smartphone or tablet.
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.
Add Authy two-factor authentication to WordPress. Users opt in for an added level of security that relies on random codes from their mobile devices.
Securio WP-Login allows you to secure the wordpress login by tracking brute force attempts and by allowing the enabling of Multi-Factor Authentication
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.