This GCHQ research report dated 20 September 2011, cowritten by researchers at Heilbronn Institute for Mathematical Research based at the University of Bristol, concerns the use of data mining techniques to develop usable intelligence as well as the contradictions that arise from the use of algorithms to identify wrong doers, or potential wrong doers. The paper also provides a great deal of background information on GCHQ operations and the detailed discussion of network theory demonstrates the power of metadata collection: see the Boing Boing article Doxxing Sherlock, 2 February 2016.
This 18 April 2012 post from the NSA internal newsletter SSO Weekly reveals that AT&T (FAIRVIEW) cooperated with the NSA, under the terms of a FISA court order, to enable the agency to surveil the internet traffic going to and from the United Nations headquarters in New York: see the New York Times article AT&T Helped U.S. Spy on Internet on a Vast Scale, 15 August 2015.
This 23 August 2011 post from the internal NSA newsletter SSO Weekly describes the disruption caused to collection from a Japanese-American cable by an earthquake. The date of service resumption correlated with the AT&T operated cable in the region: see the New York Times article AT&T Helped U.S. Spy on Internet on a Vast Scale, 15 August 2015.
This undated dictionary produced by NSA Special Source Operations, provides glosses for several terms associated with the corporate partner FAIRVIEW, including the AT&T-specific term ‘SNRC’: see the New York Times article AT&T Helped U.S. Spy on Internet on a Vast Scale, 15 August 2015.
These three slides, taken from a 11 April 2013 NSA presentation show screenshots from a tool called CyberCOP, which appears to monitor botnets and the DDOS attacks they perform: see the NDR.de article Cyberkrieg: Wie gefährdet ist Deutschland?, 12 January 2015.