Primary definition
A hardware or software mechanism that only permits data to move in one direction and does not allow the flow of data in the opposite direction.
Also known asunidirectional transfer device · one-way data diode · data diode · unidirectional network device · OWTD
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
A hardware or software mechanism that only permits data to move in one direction and does not allow the flow of data in the opposite direction.
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). One Way Transfer Device. In Election Security Glossary. Retrieved September 2, 2026, from https://electionsecurityglossary.com/glossary/one-way-transfer-device
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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