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subject

nounverified·updated May 9, 2026

An active entity (generally an individual, process, or device) that causes information to flow among objects or changes the system state. See also Object.

polysemousNISTIR 7298: Glossary of Key Information Security Terms, Revision 2

Senses

National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexiconextended definition available

An individual, process, or device causing information to flow among objects or a change to the system state.

FFIEC IT Examination Handbook - Audit, April 2012

To bring under control or jurisdiction.

NISTIR 7298: Glossary of Key Information Security Terms, Revision 2

Generally an individual, process, or device causing information to flow among objects or changes to the system state. See Object.

Wordset Dictionary

something (a person or object or scene) selected by an artist or photographer for graphic representation

Wordset Dictionary

some situation or event that is thought about

Wordset Dictionary

a branch of knowledge

Wordset Dictionary

one of the two main constituents of a sentence

Wordset Dictionary

(logic) the first term of a proposition

Wordset Dictionary

the subject matter of a conversation or discussion

Wordset Dictionary

a person who owes allegiance to that nation

Wordset Dictionary

a person who is subjected to experimental or other observational procedures

Classifications

Entity Type

Identity85%rule-basedr:entity.identity.account.v1
?unassignedlast reviewed

Sensitivity

unclassified

Information Class

unclassified

Variants

synonym
casecontentdepicted objectmatternationalpredicatestudythemetopic
alternatephrasing
Subject
plural
subjects
possessive
subject's
pluralpossessive
subjects'