A company called NOX has introduced a new technique to track people without their knowledge. "NOX combines high-resolution video pictures and RFID for identification, tracking and tracing, overlaid in real time on a facility map to show the movement of people and assets. The system allows security officers to see theft as it happens, even if the stolen object is inside a briefcase, under a jacket, or stuffed inside a sock." This may be the first time that RFID technology is being used for clandestine surveillance. Just some of the highlights from the article:
The NOX team has perfected dozens of methods of tagging people without their knowledge. One of the more covert technologies they employ is ID-Dust, serialized dust particles that can be interrogated like a RFID tag. The NOX team can coat a person or object with it to track movement. ID-Dust can show if an item was handled or it can even be sprinkled on the floor. People unknowingly pick up the ID-Dust on their shoes as they travel through a dusted area. The software combines the video surveillance and RFID information to create an association between the ID-Dust and a person. The ID-Dust allows the person's movement to be tracked around a facility without the person ever knowing he or she is being tracked. While a criminal can easily defeat the motion sensors, the ID-Dust provides covert security with instant alerts when someone enters an area, plus a complete history of exactly where each person traveled and when.
Nox is currently being deployed by the FBI and has been offered to "select commercial companies." Here is the link to the original article.
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