Auth & Client-Side Security
low Severity
Free Check

Multi-Factor Authentication (MFA) Support

Checks whether account portals support two-factor authentication (TOTP, WebAuthn/Passkeys, or SMS).

Test Your Website for Multi-Factor Authentication (MFA) Support

Run this check along with 90+ automated tests across your domain.

Why It Matters

MFA blocks 99.9% of automated account takeover attacks even when passwords have been compromised in third-party data breaches.

How We Check This

We inspect account settings and authentication flows for MFA enrollment options and WebAuthn API support.

How to Fix & Implement

Copy-paste configuration blocks tailored for your web server or edge proxy.

nginx snippet
Integrate WebAuthn or TOTP (speakeasy, otplib) in your authentication service

Frequently Asked Questions

Are Passkeys more secure than SMS 2FA?

Yes! Passkeys (FIDO2/WebAuthn) are cryptographically bound to the domain and completely immune to phishing.