Research details how vulnerabilities in signaling protocols used by mobile network operators for international roaming can be exploited to geolocate devices (The Citizen Lab)

The Citizen Lab:
Research details how vulnerabilities in signaling protocols used by mobile network operators for international roaming can be exploited to geolocate devices  —  Table of Contents  —  2. Geolocation Attacks Against Telecommunications Networks  —  4. Incentives Enabling Geolocation Attacks