authentication(redirected from Challenge/response)
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The use of a personal feature—e.g., face, hand, fingerprint, signature, voice, iris, or other highly specific indicator—to verify a person’s identity, and restrict access to private information to authorised persons.
Confirmation of a user's identity, generally through a user name and password.
authenticationBiometrics The use of a personal feature, eg, face, hand, fingerprint, signature, voice, iris, or other highly specific indicator to verify a person's identity, and restrict access to information to authorized persons; confirmation of a user's identity, generally through user name and password or biometric characteristics. See Biometrics. Cf Authorization.
Protocol to confirm the identify someone logged onto a computer.
In an electronic health record or other computer system, a security mechanism (such as a digital signature) that provides for a unique means of identifying a system user.