XDA Developers on MSN

I built a ghost-proof ESP32-powered presence sensor and here's how it works

Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...
IEEE

Using Ambient Sensors for Proximity and Relay Attack Detection in NFC Transactions: A Reproducibility Study

Abstract: Near-Field Communication (NFC) has enabled mobile devices to emulate contactless smart cards, which has also rendered them susceptible to relay attacks. Numerous countermeasures have been ...