Identity

The set of physical and behavioral characteristics by which an individual is uniquely recognizable. 

See FIPS 201 under Identity [Withdrawn] and  NIST SP 800-79-2 under Identity for more information. 

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A set of attributes that uniquely describe a person within a given context. 

See NIST SP 800-63-2 under Identity [Superseded] and  NISTIR 8149 under Identity (NIST SP 800-63-3) for more information. 

Information that is unique within a security domain and which is recognized as denoting a particular entity within that domain. 

See NIST SP 800-27 Rev. A [Withdrawn] and  NIST SP 800-33 for more information. 

The distinguishing character or personality of an entity. 

See NIST SP 800-57 Part 1 Rev. 3 under Identity [Superseded] and  NIST SP 800-57 Part 1 Rev. 4 under Identity for more information. 

The set of attribute values (i.e., characteristics) by which an entity is recognizable and that, within the scope of an identity manager’s responsibility, is sufficient to distinguish that entity from any other entity. 

See NIST SP 800-161 under Identity (CNSSI 4009) and  NISTIR 7622 under Identity (CNSSI 4009-2010) for more information. 

The set of physical and behavioral characteristics by which an individual is uniquely recognizable. Note: This also encompasses non-person entities (NPEs). 

See CNSSI 4009-2015 (FIPS 201-1) for more information. 

An attribute or set of attributes that uniquely describe a subject within a given context. 

See NIST SP 800-63-3 under Identity for more information. 

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