Classified Information

nounverified·updated May 9, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

Information that has been determined: (i) pursuant to Executive Order 12958 as amended by Executive Order 13292, or any predecessor Order, to be classified national security information; or (ii) pursuant to the Atomic Energy Act of 1954, as amended, to be Restricted Data (RD).

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

Senses

2 more senses beyond the canonical

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

Information that has been determined pursuant to Executive Order (E.O.) 13292 or any predecessor order to require protection against unauthorized disclosure and is marked to indicate its classified status when in documentary form.

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

Restricted95%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Information Class

Cui78%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Variants

1 surface form

possessive: Classified Information's

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