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Identifier

nounverified·updated May 9, 2026

Unique data used to represent a person's identity and associated attributes. A name or a card number are examples of identifiers. A unique label used by a system to indicate a specific entity, object, or group.

Framework senses

NISTIR 7298: Glossary of Key Information Security Terms, Revision 22 sensesview framework →
§1
Unique data used to represent a person’s identity and associated attributes. A name or a card number are examples of identifiers.
§2 · sense_2_pending_review
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.
CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →
§1
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.
FIPS PUB 2011 senseview framework →
§1
Unique data used to represent a person’s identity and associated attributes. A name or a card number are examples of identifiers.
Wordset Dictionary1 senseview framework →
§1
a symbol that establishes the identity of the one bearing it
NIST SP 800-171r31 senseview framework →
§1 · glossary
Unique data used to represent a person's identity and associated attributes. A name or a card number are examples of identifiers. A unique label used by a system to indicate a specific entity, object, or group.
Attribution from the CKI glossary mapping stage (glossary)
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
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.
DR-088 backfill from the noun definition column