What Is The Best Description Of Two-Factor Authentication?
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Two-factor authentication (2FA) is a security process that requires two forms of authentication to verify an identity. This typically involves a combination of something the user knows (such as a password or PIN), something the user has (such as a security token or key fob), or something the user is (such as a biometric feature like a fingerprint or facial recognition). Two-factor authentication provides an extra layer of security beyond a single form of authentication, making it more difficult for an unauthorized person to gain access to an account or system.