A new surveillance technology is capable of linking a person's phone to their license plate, potentially providing investigators with a new tool to track individuals. The system, known as SignalTrace, is designed to work alongside automatic license plate readers and can recognize groups of consumer devices that regularly move together.
Here's how it works: when a car passes by a license plate reader, the camera records the car, which can be linked through vehicle records to its registered owner. At the same time, another sensor detects signals broadcast by devices traveling nearby, such as a phone or smartwatch. After enough trips, software may treat some of those devices as a recurring electronic signature associated with the vehicle.
This means that if one of the same device signals appears alongside a different car connected to an investigation, the signal itself may not contain its owner's name, but its previous association with a known vehicle gives investigators another clue they can use to work out who was carrying the device. The system is marketed by the security company Leonardo, which says it can associate devices with license plate records and time-stamped locations.
The technology has significant implications for surveillance and tracking. By analyzing the patterns of device signals, investigators can potentially identify individuals who were in a particular location at a particular time, even if they do not know the license plate number of the vehicle they were in. This could be useful in a variety of investigations, from criminal cases to counter-terrorism operations.
Leonardo's SignalTrace system is designed to provide a new level of insight into the movements of individuals and groups. By combining license plate data with device signal data, the system can create a detailed picture of a person's movements and associations. While the technology has the potential to be a powerful tool for investigators, it also raises concerns about privacy and the potential for abuse.
The use of SignalTrace and similar technologies is likely to be closely watched by civil liberties groups and privacy advocates. As surveillance technologies continue to evolve, there will be ongoing debates about the balance between public safety and individual privacy. For now, the development of SignalTrace represents a significant advancement in the field of surveillance and tracking.
<small>Source: Ars Technica — read the original story there.</small>
