Can MFA work together with biometric authentication methods?

Yes. Biometric traits are commonly used as one factor within a broader MFA setup, typically paired with a possession factor rather than relied upon in isolation.

How biometrics typically fit into MFA:

• Local matching: A fingerprint or facial scan is usually matched locally on a device rather than transmitted to a central server.
• Paired possession factor: The biometric unlocks a smartcard, security key, or mobile device that stores the actual cryptographic credential.
• Convenience layer: Biometrics reduce user friction compared with typing a PIN, while the underlying credential provides the actual cryptographic strength.
• Fallback methods: Systems typically retain a non-biometric fallback method in case biometric verification fails or is unavailable.

This combination lets organizations benefit from the convenience biometrics offer while keeping the underlying cryptographic credential protected within a secure hardware element, rather than depending on the biometric data itself as the sole authentication secret.