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Computer Security Resource Center

Computer Security Resource Center

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    Glossary
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subject

Definition(s):

  A person, organization, device, hardware, network, software, or service.
Source(s):
NIST SP 800-63-3 under Subject

  Generally an individual, process, or device causing information to flow among objects or change to the system state. See object.
Source(s):
CNSSI 4009-2015 from NIST SP 800-53 Rev. 4
NIST SP 800-53 Rev. 4 [Superseded] under Subject

  An individual, process, or device that causes information to flow among objects or change to the system state. Also see object.
Source(s):
NIST SP 800-53 Rev. 5

  the set of active entities of the system, operating within roles on behalf of individual users.
Source(s):
NISTIR 6192 under Subject

  An active entity, generally in the form of a person, process, or device, that causes information to flow among objects or changes the system state.
Source(s):
NIST SP 800-27 Rev. A [Withdrawn]
NIST SP 800-33 [Withdrawn]