Classified National Security Information

nounverified·updated May 9, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

Information that has been determined pursuant to Executive Order 13526 or any predecessor order to require protection against unauthorized disclosure and is marked to indicate its classified status when in documentary form.

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

Senses

1 more sense beyond the canonical

NIST SP 800-171r3attested usage pack match

No definition is given in NIST SP 800-171r3. The term is attested in use at 1 citation in that document; a definition is pending curation.

Classifications

per-axis with provenance

Entity Type

Data92%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Sensitivity

Regulated95%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Information Class

Cui72%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Variants

1 surface form

possessive: Classified National Security Information's

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