Research paper: A real-world law-enforcement hack: the case of Encrochat

Abstract: In 2020, a coordinated law-enforcement effort infiltrated Encrochat, an end-to-end encrypted service provider, exfiltrating historical and real-time data and metadata over months. Encrochat was used extensively by organised crime, and the data from the operation was used as supporting evidence in over 6,000 arrests and related prosecutions across Europe. Encrochat's architecture was…