This GCHQ presentation from 23 March 2009 discusses the agency’s plan for “processing Events [metadata] at scale”: see the Intercept article Profiled: From Radio to Porn, British Spies Track Web Users’ Online Identities, 25 September 2015.
This September 2008 newsletter from the National Information Assurance Research Laboratory (NIARL), an unit within the NSA’s Research Directorate gives an indication of the agency’s progress with cryptanalysis – which, with “only a handful of in-house techniques” – appears to be modest: see the Der Spiegel story Prying Eyes: Inside the NSA’s War on Internet Security, 28 December 2014.
This 2011 presentation by the head of GCHQ’s Network Analysis Centre outlines the agency’s interest in exploiting telecommunications companies, namely to “get at the data before it is encrypted”: see the Intercept article Operation Socialist: The Inside Story of How British Spies Hacked Belgium’s Largest Telco, 13 December 2014.
This undated presentation from the NSA’s European Cryptologic Center explains some of the activities of the agency’s main European base: see the Der Spiegel article Terrorverdächtige: NSA nutzte Erkenntnisse aus Deutschland-Filiale für Tötungen, 15 June 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 time period DS-200B accounted for 181 million records; DS-300 is INCENSER, another GCHQ cable-tapping operation: see the Washington Post article How we know the NSA had access to internal Google and Yahoo cloud data, 4 November 2013.
These slides, taken from a presentation dated 13 July 2012, outline some of the features of Boundless Informant, a tool used to describe the capabilities of the NSA unit called Global Access Operations (GAO): see the Guardian article Boundless Informant: the NSA’s secret tool to track global surveillance data, 8 June 2013.