Major decisions are usually taken in boardrooms and executive offices. Regular countermeasures surveys of these facilities, telephones, other communication apparatus and systems can prevent or limit technical intrusions by hostile entities. One of the defensive services that we offer, eavesdropping detection surveys, also referred to as Technical Surveillance Countermeasures (TSCM) or “Debugging”, is a set of measures to identify and locate hostile and illegal technical devices planted at your company for information collection purposes.