Primary definition
Security incident that occurs whenever classified data is spilled either onto an unclassified information system or to an information system with a lower level of classification or different security category. Rationale: Spillage encompasses this term.
Also known asC.F.D. · classified data spillage · classified spill · spillage · data spillage · information spillage
1 sources cited3 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
Security incident that occurs whenever classified data is spilled either onto an unclassified information system or to an information system with a lower level of classification or different security category. Rationale: Spillage encompasses this term.
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Classified Information Spillage (c.f.d.). In Election Security Glossary. Retrieved August 14, 2026, from https://electionsecurityglossary.com/glossary/classified-information-spillage-c-f-d
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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