This page from GCHQ’s internal GCWiki provides a guide to the NSA’s XKeyScore tool: see the Der Spiegel article The NSA in Germany: Snowden’s Documents Available for Download, 18 June 2014.

This NSA Special Source Operations slide from 25 April 2013 shows that GCHQ’s INCENSER access continued after Vodafone acquired corporate partner Cable & Wireless the previous year: see the Süddeutsche Zeitung article Snowden-Leaks: How Vodafone-Subsidiary Cable & Wireless Aided GCHQ’s Spying Efforts, 25 November 2014.

This Boundless Informant slide shows the number of WINDSTOP records collected day-by-day between 10 December 2012 and 8 January 2013. WINDSTOP covers at least four NSA collection systems that depend on Five Eyes partners; the MUSCULAR project to intercept traffic from Google and Yahoo data centres is representated by the code DS-200B. In the given […]

This undated page from NSA’s internal WikiInfo describes VALIANTSURF “the coverterm for the development of Data Network Cipher (DNC) exploitation capabilities in TURMOIL”: see the Der Spiegel story Prying Eyes: Inside the NSA’s War on Internet Security, 28 December 2014.