security measure designed to establish the validity of a transmission, message, or originator, or a means of verifying an individual's authorization to receive specific categories of information [9].
security measure designed to establish the validity of a transmission, message or originator or a means of verifying an individual’s authorization to receive specific categories of information [1]
A security measure designed to establish the validity of a transmission, message, or originator, or a means of verifying an individual's authorization to receive specific categories of information. (4)
verifying the identity of a user, process, or device, often as a prerequisite to allowing access to resources in an information system [4]
provision of assurance that a claimed characteristic of an identity is correct
Note A prerequisite to allowing access to resources in a control system