Instant account security with effortless multi-factor authentication via Mobile Push, Mobile Passcode (TOTP), WebAuthn/U2F Security Keys, and more.
Alternatives to SI 2FA Login Security
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Add secure OTP email verification to WooCommerce registration with popup verification, email validation, spam protection, and SMTP support.
AV 2FAv1.2.1
A simple and secure Two-Factor Authentication plugin that sends a verification code to your email.
A free and lightweight two-factor authentication (2FA) plugin for WordPress using TOTP and authenticator apps.
Add secure email-based 2FA authentication to WordPress logins with OTP verification, recovery codes, a grace period, and flexible user targeting.
SPIDY 2FA LOGINv2.0.9
Two-factor authentication (2FA) via email, SMS or biometric login (WebAuthn/FIDO2) for WordPress. Simple, free, no third-party app required.
Enable one-click login with this WordPress Two-Factor Authentication (2FA) plugin, utilizing email for added security.
Free 2FA plugin for unlimited users with Passkey, Google Authenticator, Email/SMS OTP, Push Notification & passwordless login.
Get better WordPress login security; add two-factor authentication (2FA) for all your users with this easy-to-use plugin.
Standards-based two-factor authentication (TOTP & e-mail), brute-force lockout, login alerts and an audit log — with no external service.