Classified National Security Information

nouncandidate·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.

Framework senses

2 senses across 2 frameworks

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →

§1: 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.

CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →

§1: 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.