These identifiers can be used to track subscribers’ locations. These studies have suggested that temporary identifiers must be reallocated fre-quently to solve this privacy problem. The only …

The only mechanism to update the temporary identifier in current LTE implementations is called GUTI reallocation. We investigate whether the current implementation of the GUTI reallocation mechanism …

Jan 1, 2018 · The authors used this insight to block the network from changing a device's TMSI which can then be used to track the user. ...

This research is specifically dedicated to identifying hidden 4G LTE IoT cellular GPS tracking devices on or in a vehicle, and presents an innovative algorithm designed for effective uplink frequency analysis.

Jun 15, 2023 · Bibliographic details on GUTI Reallocation Demystified: Cellular Location Tracking with Changing Temporary Identifier.

Owing to this configuration, we saw the victim’s GUTI or unchanging temporary identifiers allow an attacker to launch in the TA where the victim is not located when the voice call is location leakage …

Jan 1, 2018 · Now in 5G, unpredictability in GUTI after every exposure is mandatory. Unfortunately, a recent report about China and our measurement in Korea show that this is not the case.

GUTI Reallocation Demystified: Cellular Location Tracking with Changing Temporary Identifier. In 25th Annual Network and Distributed System Security Symposium, NDSS 2018, San Diego, California, …