• Bug Sweeps Sydney
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  • Sydney Eavesdropping Bug Sweep Service
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  • Electronic Bug Sweeps Sydney
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When was the last time you checked your office for bugs?

NSI Bug Sweeps in Sydney and Melbourne specialises in eavesdropping detection and counterespionage services for business and government. We can detect all types of listening devices, optical devices, digital burst/packet devices, laser and infrared devices, and jamming devices which interfere with signals. Simple Bug Sweeps are ineffective and rarely solve your concerns. Our experts conduct a total security solution which includes detection of hidden eavesdropping devices, a risk analysis survey to detect non-electronic weaknesses and a detailed report with recommendations.

The 3 Step Solution to book a bug sweep:

1. Call us from a safe phone and location - Tell us about the issue and your goals

2. Complete our information sheet - This will be emailed or we can do this over the phone

3. Schedule a date - We operate 24 hours 7 Days a week. No extra charge for after hours

If you feel like someone is watching your movements, listening to you or knows about things that they should not know about such as business secrets, we can set your mind at ease and search for illegal listening devices, GPS vehicle trackers, video cameras and bugs for your home, office or car. Almost anyone can install surveillance and listening devices easily and cheaply so as to invade your privacy.

National Surveillance and Intelligence's bug sweeps division specialise in Technical Surveillance Counter Measures (TSCM) using the most advance and up to date equipment available on the market to protect our clients' homes, businesses and their privacy.

TSCM; also known as electronic bug detectionbug sweeping or surveillance counter measures; is the method of electronically and physically inspecting offices, buildings, vehicles, telephone systems, network systems and cabling for the existence of eavesdropping listening devices by trained and qualified investigators. These services are used to uncover any illegal surveillance devices, unknown technical surveillance devices, security vulnerabilities and listening devices.

Ensure your right to privacy

Conducting a bug sweep can mean uncovering illegal wiretapping, hidden cameras, tracking devices, spyware and malware, network vulnerabilities, and advanced surveillance devices such as frequency jamming equipment. The use of these types of devices can be for gathering intelligence for an upcoming litigation that can be used in court; or spouses may spy on each other in order to gather evidence against each other.

High-net worth individuals are often targeted for spying, blackmails and extortion attempts; and criminals may use these types of devices to gather intelligence that can be used in identity theft. Businesses and corporations are the biggest targets as competitors and criminals gather intelligence about trade secrets, insider information, future business plans and expansions, client lists etc.

Our equipment is second to none, using the most technologically advanced hardware and software available globally and methods perfected through years of experience within counter surveillance bug and camera detection to provide our clients with the best bug sweep service and price for this level of sweep that no other company can provide.

Bug Sweeps Melbourne | Listening Device Detection | Live TSCM Monitoring


Our consultants can also provide corporate private investigators in Sydney for Investigation support to provide you more evidence for you so that you can make an informed decision.

listening device bug sweeps in sydney

Feel free to contact us for a no obligation consultation and see what sets us apart from the rest.

Contact Us today on 02 9045 1811.

Bug Sweeps

  • Corporate Bug SweepsCorporate Sweeps NSI Bug Sweeps has the highest RF scan range available on the market with a real time capability. We can scan a range of up to 43 GHz in less than half a second or have the ability to see the whole spectrum in real time, allowing us to see bugs in action and locate them in an instant.
  • Residential and Vehicle Bug SweepsResidential & VehicleWe can perform bug sweeps for residential homes and apartments and vehicles. Our sweeps are performed using the most advanced and high tech equipment available so you can be rest assured that you will get the job done by experienced professionals who have been trained in finding bugs.
  • Phone Line Bug SweepsPhone SweepsOur equipment also examines phone lines whether standard PSTN lines or Digital lines in offices. We can detect splits in lines where bugs have been attached and locate them fast.
  • Bug Detection MonitoringTSCM MonitoringNSI Bug Sweeps offers a TSCM monitoring service for our corporate clients. We can set up our equipment in an adjacent room and monitor exactly what transmissions are occuring in the next room, giving you an advantage of knowing when a security breach has occured..
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