+Two Factor Authentication (2FA) adds a crucial layer of security, requiring two distinct proofs of [Identity](/wiki/identity) to grant access. Beyond a simple [Password](/wiki/password), it often asks for something you have or are, fortifying digital defenses against unauthorized entry.
+## See also
+- [Multi-Factor](/wiki/multi_factor)
+- [Security](/wiki/security)
+- [Biometrics](/wiki/biometrics)
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