TSCM and counter-espionage – protect yourself from eavesdropping
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TSCM (Technical Surveillance Counter-Measures) involves detecting and neutralizing covert listening devices – microphones, cameras, GPS transmitters, and other surveillance equipment. Here are the basics.
When is counter-surveillance needed?
Company executives, lawyers, journalists, and private individuals with an elevated threat level can be subjected to surveillance in meetings, offices, homes, and vehicles. Regular sweeps reduce the risk.
What equipment is used?
- RF detectors find wireless transmitters (mobile, WiFi, Bluetooth, 5G)
- NLJD (non-linear junction detector) detects hidden electronics even if they are turned off
- Spectrum analyzers for deeper analysis of the signal environment
- Camera detectors that find lenses on hidden cameras
Real-time protection
In addition to detection, there are audio and noise generators that prevent recording during sensitive conversations.
Ensec offers professional TSCM equipment from MEFF, among others. See the full TSCM range → We also offer training in counter-surveillance.
Need help choosing the right solution? Ensec delivers, installs, and supports 24/7 – CE & SSF certified equipment with Swedish support 24/7 and free shipping over SEK 1,500. Contact us for free consultation.




