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