This 2011 CSEC presentation describes how the agency analysed SNOWGLOBE, which it considered “to be a state-sponsored CNO effort, put forth by a French intelligence agency”: see the Der Spiegel article The Digital Arms Race: NSA Preps America for Future Battle, 17 January 2015.

This NSA classification guide, dated 21 November 2011, covers signals intelligence material that as to be kept secret for more than the standard 60 years: see the Der Spiegel article The NSA in Germany: Snowden’s Documents Available for Download, 18 June 2014.

This undated internal NSA document illustrates the degrees of cooperation in the agency’s relationships with different foreign powers. “Tier A” and “Tier B” are elsewhere referred to as Second and Third Parties: see the book No Place To Hide, 13 May 2014.

This Boundless Informant slide shows the number of Norwegian phone records collected day-by-day between 10 December 2012 and 8 January 2013, from a facility codenamed US-987F: see the Dagbladet article Overhode ikke gitt tilgang, 19 November 2013.

This page taken from GCHQ’s internal GCWiki, last updated on 8 September 2011 notes that the agency’s Joint Terrorism Analysis Centre was involved in analysis of material seized in the raid on bin Laden’s Abbottabad compound: see the Intercept article What the Snowden Files Say About the Osama Bin Laden Raid, 18 May 2015.

This 2010 NSA presentation describes Project Camberdada, an attempt to subvert popular antivirus software by means of surveilling email traffic: see the Intercept article Popular Security Software Came Under Relentless NSA and GCHQ Attacks, 22 June 2015.

This 2011 Wiki page details aspects of GCHQ’s DAPINO GAMMA operation against mobile SIM manufacturer Gemalto: see the Intercept article The Great SIM Heist: How Spies Stole the Keys to the Encryption Castle, 19 February 2015.

This June 2010 CSEC presentation for the CSEC conference outlines counter-computer network exploitation (CCNE) techniques: see the Der Spiegel article The Digital Arms Race: NSA Preps America for Future Battle, 17 January 2015.

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 short excerpt from an NSA document shows that nine European States – Belgium, Denmark, France, Germany, Italy, The Netherlands, Norway, Spain and Sweden – have a second-tier ‘third party’ relationship with the agency: see the SVT article NSA “asking for” specific exchanges from FRA – Secret treaty since 1954, 8 December 2013.

This NSA information paper from April 2013 describes the state of the agency’s intelligence relationship with its New Zealand counterpart: see the New Zealand Herald article NZ’s spy reach stretches across globe, 11 March 2015.

This internal NSA briefing dated 17 January 2013 describes the current state of the US-German intelligence relationship and mentions that “The BND has been working to influence the German Government to relax interpretation of the privacy laws over the long term to provide greater opportunity for intelligence sharing”: see the Der Spiegel article New NSA […]

This slide, taken from the NSA’s annual report on the state of its cooperation with foreign powers, details the countries that have received payments from the agency: see the book No Place To Hide, 13 May 2014.

This slide, taken from the NSA’s annual review of its cooperation with foreign partners, shows an expansion in the agency’s international relationships: see the book No Place To Hide, 13 May 2014.

This briefing document, produced ahead of the SWEDUSA Strategic Planning Conference of 24-26 April, outlines General Keith Alexander’s talking points for the event: see the SVT article FRA part of top-secret hacker project, 11 December 2013.

NSA tipped off Norway to an al Qaeda threat to the Norwegian Embassy in Cairo, Egypt, on January 6, 2004. NSA SIGINT was Norway's only source of this threat information.

This 15 December 2003 post from the internal NSA newsletter SIDToday discusses plans for the agency’s operations at the Athens Olympics the following year: see the Intercept article A Death in Athens: Did a Rogue NSA Operation Cause the Death of a Greek Telecom Employee?, 29 September 2015.

Extracts from an Information Paper dated 17 April 2013 that describes the current state of the relationship between NSA and the Norwegian intelligence service: see the Dagbladet article, NIS aquires supercomputer, 26 April 2014.

SID had many openings for analytic support for the 2004 Summer Olympics in Greece, and the response was “overwhelming.” The article lists eight people selected out of 300 applicants.