“Being inherent to the privacy and security-focused design of the Find My Offline Finding system, it seems unlikely that this misuse can be prevented completely”
A cheap ESP32 pretends to be a pile of AirTags and leaks data through any iPhone that walks past. No Wi-Fi, no SIM, no Apple account. Your phone becomes someone else’s modem without asking you. Apple built a billion-device mesh network, and anyone can ride it for free.