New SignalTrace Technology Enables Tracking of iPhone and AirPods

Ender Öztürk

June 25, 2026

Leonardo US Cyber and Security Solutions has unveiled a sophisticated surveillance system known as SignalTrace, which allows law enforcement agencies to monitor Bluetooth and Wi-Fi signals in public areas. By integrating this technology into existing license plate recognition cameras, authorities can effectively track the digital footprints of personal electronic devices, including iPhones, smartwatches, and fitness trackers. This development marks a significant shift in how police collect data, as they can now pair specific device signatures with vehicle registration information to map the travel patterns and group movements of individuals in real-time.

SignalTrace Technology Functions Without Reading Device Content

The manufacturer, Leonardo, maintains that SignalTrace does not perform decryption or read the actual contents of the captured devices. The company emphasizes that the primary function of the system is to generate metadata that identifies the presence and movement of electronic signals. Furthermore, officials state that the data gathered is strictly reserved for use upon the specific request of law enforcement agencies involved in official investigations.

The absence of a legal requirement for search warrants before tracking citizens has sparked significant ethical and legal debates.

Surveillance Capabilities Expand Across Modern Infrastructure

Formerly recognized as the Elsag EOC Plug, the updated iteration of this surveillance tool introduces a high-precision capability to identify individuals through their Bluetooth transmissions. This evolution in monitoring technology builds upon the company’s established presence in the global market, where its legacy license plate recognition systems are already utilized by approximately 4,000 institutions across more than 25 nations. {{WP_IMAGE_1}}

Civil liberties organizations, such as the Electronic Frontier Foundation, have previously highlighted that similar tracking systems were employed to monitor participants in public protests. While it remains unclear which specific jurisdictions have moved to adopt this new, more invasive iteration of the technology, the expansion of such monitoring capabilities continues to fuel intense scrutiny from privacy advocates who argue that the scale of data collection is unprecedented.

The potential for persistent, non-consensual digital tracking fundamentally alters the expectation of privacy in public spaces.

Legal and Ethical Challenges Remain Unresolved

As the implementation of SignalTrace progresses, the primary concern for legal scholars involves the lack of oversight regarding how this data is stored, categorized, and shared between different agencies. Without a clear legislative framework to govern the use of digital device tracking, there is a significant risk that these tools could be used for broad, warrantless surveillance rather than targeted criminal investigations.

The integration of private-sector technology into public policing strategies requires a careful balance between security and the fundamental rights of the citizenry. As society becomes increasingly reliant on connected devices, the digital trail left behind by the average person provides a level of visibility that was previously impossible for authorities to achieve without significant effort. This shift necessitates a broader discussion on the limits of technological surveillance and the necessity for robust privacy protections in the digital age.

We are interested in hearing your perspective on this development; please share your thoughts in the comments section regarding whether you believe the use of such tracking technologies in public areas constitutes an overreach of state authority.