Technical Surveillance Countermeasures (TSCM)
Sweeping offices and homes for hidden listening and recording devices.
Last reviewed
What does this service cover?
We conduct physical and electronic bug sweeps of executive offices, boardrooms and private residences. We use non-linear junction detector (NLJD) sweeps and physical inspection to detect covert eavesdropping and recording devices.
When do you need it?
Securing executive boardrooms before sensitive mergers, acquisitions, or negotiations.
Investigating suspected confidential information leaks from private meetings.
Verifying the physical privacy of new office premises or executive residences.
SURVEILLANCE COUNTERMEASURES PROTOCOL
TSCM De-Bugging Inspection Process
Threat Profile & Site Planning
Discreet consultation to establish facility layouts, threat vectors, and sweep scheduling.
NLJD Sweep
A non-linear junction detector sweep of the rooms to find electronic components, whether or not they are switched on.
Physical Inspection
Physical inspection of ceiling voids, electrical fittings and furniture.
Technical Sweep Report
An immediate oral briefing followed by a comprehensive written sweep report detailing areas covered and security recommendations.
What do you receive?
A comprehensive sweep report detailing inspected areas, NLJD findings, physical inspection logs, and security recommendations.
- Discreet planning around your premises and schedule
- Non-linear junction detector (NLJD) sweeps for hidden electronics
- Physical inspection of fixtures, outlets, and furniture
- Comprehensive written sweep report and acoustic security guidance
FAQ
What do people ask about it?
What equipment is used in TSCM sweeps?
We use a non-linear junction detector (NLJD), which can find electronics even when they are switched off or dormant, together with a physical inspection of fixtures, outlets and furniture.
Can a sweep be arranged at a time that suits us?
Yes. Sweeps are scheduled at a time that suits you, with discretion.
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Call or WhatsApp us; we confirm scope and give an estimate before work begins.
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View Park Towers, 20th Floor, Nairobi
+254 701 543 158
Monday–Friday 08:30–17:00 · Saturday 10:00–14:00
Remote consultations available on request.
Please don't send case details or evidence until we've agreed a secure way to receive them.