Primary definition
Restrictive label applied to classified or unclassified information to limit access. (CNSSI-4009) (NISTIR)
Also known asCAT · category marking · category designation · access category · security category · classification category
1 sources cited4 related termsReviewed Aug 10, 2026
— The Cyber GlossaryView source
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TCG
Restrictive label applied to classified or unclassified information to limit access. (CNSSI-4009) (NISTIR)
The Cyber Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Category. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/category
Sources
1 cited · last checked Aug 10, 2026
01
The Cyber Glossary
The Cyber Glossary
Single-source
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