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Computer Security Resource Center

Computer Security Resource Center

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Entity authentication

Definition(s):

  The process of providing assurance about the identity of an entity interacting with a system (e.g., to access a resource). Also see Source authentication.
Source(s):
NIST SP 800-57 Part 2 Rev.1

  A process that establishes the origin of information, or determines an entity’s identity to the extent permitted by the entity’s identifier.
Source(s):
NIST SP 800-56B Rev. 1 [Superseded]

  The process of providing assurance about the identity of an entity interacting with a system (e.g., to access a resource). Sometimes called identity authentication.
Source(s):
NIST SP 800-133 Rev.1 [Superseded]