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A leading provider of eavesdropping countermeasures services is headed by Rob Muessel. 
Prior to founding TSCM Technical Services, he was Director of Technical Services for Information Security Associates, Inc., Stamford, CT  USA.  ISA was a cutting edge developer and manufacturer of eavesdropping detection products in the United States.  He joined ISA in 1983 and had lead ISA's consulting services since 1989.  Under his guidance, sweeps were made for clients throughout the US and countries  throughout the world. 

Prior to joining ISA, he was employed by a security systems company in the nuclear power industry. 

He has a strong background in telecommunications systems, radio technology, physical security, and overall security issues.

Additional staff includes technicians with diverse security service, investigative, and technical backgrounds. On large assignments, we can call upon trained technicians from across the USA for assistance so jobs can be completed in a timely and efficient manner.


Wide ranging international experience in conducting sweeps and consulting with local law enforcement and government agencies on equipment requirements around the world have yielded a wealth of experience and insight as to the vulnerabilities of communications systems in different countries, business culture-based weaknesses and has allowed us to develop a large group of contact personnel who can provide assistance on international projects.

Additional qualifications details:

We have conducted sweeps on every continent except Antarctica.

We have conducted training classes for TSCM technicians from North America, numerous South
American countries, leading countries in Asia, and many European and African nations.

We have served as expert witnesses in matters related to eavesdropping in US criminal courts. 

We are active in security trade organizations promoting awareness of corporate communications
security issues.

Mr. Muessel has served for many years as a chapter officer in ASIS Internnational and is an active member of the Espionage Research Institute International.