What is two-factor authentication (2FA)?

Two-factor authentication (2FA) is a security system that requires two distinct forms of identification in order to access something.

What is 2FA security?

Learn more about 2FA safety. The difference between two-factor authentication, 2FA, and multi-factor authentication, MFA, is that 2FA, or two-factor authentication, involves two sets of steps to identify a user. In addition, 2FA utilizes one-time passcodes that are time-sensitive to prevent identity theft.

What is biometric 2FA?

Biometric 2FA, authentication that treats the user as the token, is just around the corner. Recent innovations include verifying a person’s identity via fingerprints, retina patterns, and facial recognition. Ambient noise, pulse, typing patterns, and vocal prints are also being explored.

What is the difference between 2FA and MFA?

The main difference between 2FA and MFA is that 2FA (two-factor authentication) only requires one additional form of authentication factor. This is because an attacker can crack an authentication factor, such as an employee’s identification card or password.