Identification and Authentication

Identification and Authentication (NIST SP 800-53 security control family) Information Assurance

Measures that protect and defend information and information systems by ensuring their availability, integrity, authentication, confidentiality, and non-repudiation. These measures include providing for restoration of information systems by incorporating protection, detection, and reaction capabilities. 
See NIST SP 800-59 under Information Assurance (CNSSI 4009) and  
NISTIR 7622 under Information Assurance (CNSSI 4009-2010) for more information. 

The process of establishing the identity of an entity interacting with a system. 
See NISTIR 7711 under Identification and Authentication for more information. 

See Identification and Authentication.

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