Preprint
Sep 2026
CrossLink: Breaking Location Privacy by Linking Device Identifiers Across Protocols
Smartphones simultaneously transmit temporary identifiers over LTE, WiFi, and BLE. Existing privacy defenses analyze identifier randomization per protocol, implicitly assuming that these protections compose across protocols. We show that they do not: Even when each protocol leaks only temporary identifiers and the adve...
Aneet Kumar Dutta, Mihirraj Dixit, Kevin Gni et al.
· 0 citations