Leonardo SignalTrace Links Mobile Bluetooth Emissions To Vehicle License Plates

By Nicole M. Bennett, The Conversation · Ars Technica · 2026-08-11

Ars Technica reports that security firm Leonardo is marketing a surveillance system called SignalTrace that correlates wireless device signals with license plate readers. The technology builds electronic signatures from Bluetooth and radio frequency identification tags to track m

Ars Technica reports that security firm Leonardo is marketing a surveillance system called SignalTrace that correlates wireless device signals with license plate readers. The technology builds electronic signatures from Bluetooth and radio frequency identification tags to track m