This 40-page NSA presentation for the June 2012 SIGDEV conference includes a ranking of cryptographic protocols in order of ‘risk’ the they pose to the agency’s operations: see the Der Spiegel story Prying Eyes: Inside the NSA’s War on Internet Security, 28 December 2014.

This undated NSA presentation sets out the network-mapping tool Treasure Map, and supplies information on some of the agency’s collection access points: see the Intercept article New Zealand Launched Mass Surveillance Project While Publicly Denying It, 15 September 2014.

This NSA presentation from 15 October 2009 explains how analysts can exploit the products of the agency’s CNE hacking operations within XKeyScore and provides examples with screenshots: see the Intercept article XKEYSCORE: NSA’s Google for the World’s Private Communications, 1 July 2015.

This undated NSA Menwith Hill presentation describes SPINALTAP, a project to combine data from active operations and passive signals intelligence: see the Der Spiegel article The Digital Arms Race: NSA Preps America for Future Battle, 17 January 2015.