Four areas of increasing security in a facility (unrestricted, controlled, limited, and exclusion) and recommended authentication methods for passing through access points that separate them, including visual authentication (VIS), Cardholder Unique Identifier (CHUID), Card Authentication Key (CAK), biometric authentication supervised by a human attendant (BIO-A), biometric authentication unsupervised by an attendant (BIO) and Public Key Infrastructure (PKI).
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April 1, 2014
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