TSCM- Technical surveillance counter measures

Pre-Inspection survey and facility reconnaissance

  • Review of facility blueprints
  • External RF survey (7 kHz to 6 GHz)
  • Facility exterior reconnaissance

Vulnerability analysis

  • Physical security assessment
  • Electronic security assessment
  • Threat assessment
  • Internal RF survey
  • Audit of communications systems and facilities
  • Inventory of furnishing, fixtures and artifact 
  • Evaluation of structural elements (walls, ceilings, floors)
  • Sketch of suspect area and facilities
  • Development of threat model
  • Identification of suspicious areas
  • Identification of intercept locations
  • Identification of probable listening posts

Passive walk-thru (silent)

  • No noise, non alerting activities only, nothing to alert the eavesdropping
  • Automated bug and wireless microphone detection (7 kHz to 6 GHz)
  • Initial VLF inspection of all AC, telecom, LAN and HVAC wiring
  • Initial detection of infrared devices and laser surveillance devices
  • Tape recorder,video camera and ultrasonic detection
  • Overt threat detection
  • Initial evaluation of physical security etc.
  • most PI, spy shop and amateur bugs will be detected during this phase