Definitions[]
An entity is:
- "[e]ither a subject (an active element that operates on information or the system state) or an object (a passive element that contains or receives information)."[1]
- "[a]n active element in an open system."[2]
- "[a]ny participant in an authentication exchange; such a participant may be human or nonhuman, and may take the role of a claimant and/or verifier."[3]
An entity is
| “ | [an] [i]tem inside or outside an information and communication technology system, such as a person, an organization, a device, a subsystem, or a group of such items that has recognizably distinct existence.[4] | ” |
| “ | [a]nything that has a separate and distinct existence that can be uniquely identified. Examples of entities include subscribers, users, network elements, networks, software applications, services and devices. An entity may have multiple identifiers.[5] | ” |
| “ | [an] item inside or outside an information and communication technology system, such as a person, an organization, a device, a subsystem, or a group of such items that has recognizably distinct existence."[6] | ” |
References[]
- ↑ NIST Special Publication 800-27A.
- ↑ NIST, FIPS 188.
- ↑ NIST, FIPS 196.
- ↑ Framework for Cyber-Physical Systems, at 10.
- ↑ Id.
- ↑ ISO/IEC 24760-1:2011.