Primary definition
See classified national security information.
Also known asNSI · national security info · classified national security information · sensitive national security information
1 sources cited4 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
See classified national security information.
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). National Security Information (nsi). In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/national-security-information-nsi
Sources
1 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
Single-source
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