This report provides a comprehensive guide to geolocation-related threats sourced from 3G, 4G, and 5G network operators. Case studies, references, examples, and evidence are provided to give a complete and contextual understanding of mobile network-based location tracking in order to formulate policies and actions that protect civil society from current and future geolocation surveillance.

Citizen Lab examined a set of documents leaked to news outlet The Intercept that describe plans to develop and launch an Iranian mobile network, including subscriber management operations and services, and integration with a legal intercept solution. If implemented fully as envisioned, it would enable state authorities to directly monitor, intercept, redirect, degrade or deny all Iranians’ mobile communications, including those who are presently challenging the regime.