Primary definition
Techniques to detect, neutralize, and exploit technical surveillance technologies and hazards that permit the unauthorized access to or removal of information. Source: DoDI 5240.05
Also known asbug sweeping · electronic counter-surveillance · TSCM · counter-surveillance · electronic sweep · debugging
1 sources cited4 related termsReviewed Aug 10, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
Techniques to detect, neutralize, and exploit technical surveillance technologies and hazards that permit the unauthorized access to or removal of information. Source: DoDI 5240.05
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Technical Surveillance Countermeasures (tscm). In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/technical-surveillance-countermeasures-tscm
Sources
1 cited · last checked Aug 10, 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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