Noun
(1) The process of establishing confidence of authenticity.
(2) Verifying the identity of a user, process, or device, often as a prerequisite to allowing access to resources in an information system.
(3) For HIPAA, all attempts to gain access to a system containing ePHI have to be logged for later investigation.
(4) Encompasses identity verification, message origin authentication, and message content authentication.
(5) The process of verifying the identity or other attributes claimed by or assumed of an entity (user, process, or device), or to verify the source and integrity of data.
(6) The process of verifying the identity or other attributes claimed by or assumed of an entity (user, process, or device), or to verify the source and integrity of data.
(7) The process of verifying that a thing is what it purports to be, that it is acceptable as genuine or original.