Primary definition
Unique data used to represent a person's identity and associated attributes. A name or a card number are examples of identifiers. Source: FIPS PUB 201-1 Note: This also encompasses non-person entities (NPEs).
Also known asID · identification · unique identifier · UID · identity marker · identity token · ID number · ID code
2 sources cited4 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
Unique data used to represent a person's identity and associated attributes. A name or a card number are examples of identifiers. Source: FIPS PUB 201-1 Note: This also encompasses non-person entities (NPEs).
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Identifier. In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/identifier
Sources
2 cited · last checked Aug 9, 2026
01
Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015
High consensus
02
The Cyber Glossary
The Cyber Glossary
Multi-source
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