An Analysis of the Privacy and Security Risks of Android VPN Permission-enabled Apps
Muhammad Talha Ikram, Narseo Vallina-Rodríguez, Suranga Seneviratne, Mohamed Ali Kâafar, Vern Paxson · 2016
Millions of users worldwide resort to mobile VPN clients to either circumvent censorship or to access geo-blocked content, and more generally for privacy and security purposes. In practice, however, users have little if any guarantees about the corresponding security and privacy settings, and perhaps no practical knowledge about the entities accessing their mobile traffic.