2. In military cyberspace operations, an abstraction of logical cyberspace with digital representations of individuals or entities in cyberspace, used to enable analysis and targeting. May be associated with a single or multiple entities.
(DoD JP 3-12)
1. An electronic identity that can be unambiguously associated with a single person or non-person entity (NPE). A single person or NPE may have multiple personas, with each persona being managed by the same or different organizations.
(ICTS UIAS v2)