olemus
kuuldamise takistamise meetodid ja vahendid
Merriam-Webster:
: preventing or counteracting the use of hidden bugging devices
// Before voting starts, Vatican officials will sweep the rooms that house the cardinals with anti-bugging scanners to detect any hidden microphones.

ülevaateid
https://www.investigativelearning.com/post/bug-sweep
https://en.wikipedia.org/wiki/Countersurveillance
https://counterespionage.com/bug-sweep-methodology/
https://execsecurity.com/tscm/
http://www.tscm.com/whatistscm.html

vt ka
- jälgimistõrje