Positive Security is a Berlin based IT security consultancy and research collective.
Visit positive.security → RSS feedOn Hacker News May 2021 – Feb 2022
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Apple AirTags: Arbitrary data can be uploaded from non-internet-connected devices by sending Find My BLE broadcasts to nearby Apple devices. We're releasing an ESP32 firmware that turns the microcontroller into an (upload only) modem, and a macOS application to retrieve, decode and display the uploaded data.
We built an AirTag clone capable of silently and continuously tracking someone. The device accomplishes this by sending just one beacon per generated public key, thereby staying invisible to tracking notifications for iOS users and Apple’s Tracker Detect Android app.