A data object -- often, a printable, non-blank character string -- that definitively represents a specific identity of a system entity, distinguishing that identity from all others. (Compare: identity.)
A data object -- often, a printable, non-blank character string -- that definitively represents a specific identity of a system entity, distinguishing that identity from all others. (Compare: identity.)
Tutorial: Identifiers for system entities must be assigned very carefully, because authenticated identities are the basis for other security services, such as access control service.