This document lists the 193 governments, intragovernmental organisations and other entities which the NSA was granted the legal authority to intercept communications “about” for foreign intelligence purposes in August 2010: see the Washington Post article Court gave NSA broad leeway in surveillance, 30 June 2014.

This GCHQ document dated 5 July 2007 provides technical information about PRESTON, the British system for intercepting the communications of targets under warrant: see the Intercept article Facing Data Deluge, Secret U.K. Spying Report Warned of Intelligence Failure, 7 June 2016.

This 2009 NSA presentation, based on an internal agency newsletter article from 20 March that year, describes the growth in airlines offering onboard mobile phone services, which the Agency had alreadyu been actively collecting for at least a year: see the Intercept article American and British Spy Agencies Targeted In-flight Mobile Phone Use, 7 December […]

This undated NSA document gives updates on various activities of the US-German Joint SIGINT Activity during 2007: see the Der Spiegel article Snowden-Dokumente: Hier sitzt die NSA in Deutschland, 18 June 2014. jsa