These four sides from an undated NSA presentation boast the agency’s ability to access location information from iPhones – and makes fun of the “zombies” whose information is exfiltrated: see the Der Spiegel article iSpy: How the NSA Accesses Smartphone Data, 9 September 2013.

This 4-page NSA document, presented at a Five Eyes SIGDEV conference 2011, gives an overview of the AURORAGOLD (AG) project, in which technical intelligence is gathered to ensure future agency access to mobile phone networks worldwide: see the Intercept article Operation Auroragold: How the NSA Hacks Cellphone Networks Worldwide, 4 December 2014.

This 24 page white paper dated 1 October 2012 describes and evaluates some of the Co-Traveller tools the NSA and partner agencies uses to analyse phone location data: see the Washington Post article New documents show how the NSA infers relationships based on mobile location data, 10 December 2013.

This 18 May 2010 article from the NSA internal newsletter SIDToday outlines how the agency is reacting to the growth of mobile phone services on board commercial aircraft: see the Intercept article American and British Spy Agencies Targeted In-flight Mobile Phone Use, 7 December 2016.

This slide from an undated NSA presentation demonstrates how the agency uses email and phone data to analyse the social networks of targets (the “Agent” in the diagram): see the New York Times article N.S.A. Gathers Data on Social Connections of U.S. Citizens, 28 September 2013.

This NSA briefing, given at the Five Eyes SIGDEV conference in 2011, gives an overview of AURORAGOLD data flows: see the Intercept article Operation Auroragold: How the NSA Hacks Cellphone Networks Worldwide, 4 December 2014.

This 19-page NSA paper, delivered at the 2010 Five Eyes SIGDEV conference, gives a technical explanation of the importance of sourcing mobile carriers’ roaming agreements (IR.21): see the Intercept article Operation Auroragold: How the NSA Hacks Cellphone Networks Worldwide, 4 December 2014. ir21-a-technology-warning-mechanism

This NSA presentation from 5 June 2012 introduces SKYNET, a tool for detecting patterns in bulk phone metadata: see the Intercept article U.S. Government Designated Prominent Al Jazeera Journalist as “Member of Al Qaeda”, 8 May 2015.

This 26-page NSA document, originally presented at 2012’s Five Eyes SIGDEV conference, gives a detailed overview of the agency’s information gathering on world mobile phone networks. Some intercepted technical and contact details have been redacted: see the Intercept article Operation Auroragold: How the NSA Hacks Cellphone Networks Worldwide, 4 December 2014.

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 […]