Security Researchers Develop Framework for Tracking Bluetooth Devices Using Find My

Ahead of the debut of AirTags and support for locating third-party Bluetooth items through Find My in iOS 14.5, a team of security researchers from the Secure Mobile Networking Lab at the Technical University of Darmstadt in Germany has reverse engineered the ‌Find My‌ protocol and developed an app that's designed to let anyone create an "AirTag" based on a Bluetooth-capable device.
Called OpenHaystack, the app and the source code are available on GitHub for those who are interested in