Primary definition
Unintentional signals that, if intercepted and analyzed, would disclose the information transmitted, received, handled, or otherwise processed by telecommunications or information systems equipment. Source: CNSSAM TEMPEST/01-13
Also known asTEMPEST · van Eck phreaking · compromising emissions · side-channel emissions
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
Unintentional signals that, if intercepted and analyzed, would disclose the information transmitted, received, handled, or otherwise processed by telecommunications or information systems equipment. Source: CNSSAM TEMPEST/01-13
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Compromising Emanations. In Election Security Glossary. Retrieved September 11, 2026, from https://electionsecurityglossary.com/glossary/compromising-emanations
Sources
2 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
High consensus
02
The Cyber Glossary
The Cyber Glossary
Multi-source
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