Primary definition
A cross domain device or system with the capability to provide both the transmission and reception of information or data between two or more different security domains (e.g., between TS/SCI and Secret or Secret and Unclassified).
Also known ascross domain solution · CDS · bi-directional cross domain system
1 sources cited4 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
A cross domain device or system with the capability to provide both the transmission and reception of information or data between two or more different security domains (e.g., between TS/SCI and Secret or Secret and Unclassified).
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Bi Directional (cds). In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/bi-directional-cds
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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