Authentication — Authentication verifies an asserted identity or confirms control of an associated authenticator. A system evaluates evidence such as a password, security key, or biometric factor. Successful authentication establishes identity confidence but does not itself determine every permission that follows. – Authentication CSRC

Added October 7, 2026

Authentication — Authentication is the process of verifying the claimed identity of a user, device, or system. It can rely on passwords, security keys, biometric characteristics, or other evidence of identity. Multifactor authentication combines different types of evidence to strengthen verification.

Added November 6, 2026