This internal document for NSA employees dated 6 February 2013 provides a guide for visiting facilities related with the FAIRVIEW programme, including the TITANPOINTE building in New York City: see the Intercept article Titanpointe: The NSA’s Spy Hub in New York, Hidden in Plain View, 16 November 2016.

This group of three undated NSA slides provides a graphical representation of the sensitivity of aspects of the agency’s SENTRY EAGLE programme: see the Intercept article Core Secrets: NSA Saboteurs in China and Germany, 10 October 2014.

This NSA report dated 11 April 2014 describes the difficulties with the network switches the agency had compromised on Cisco devices in order to collect data from Cisco customers: see the book No Place To Hide, 13 May 2014.

This undated sequence of ten NSA slides provides a graphical representation of the sensitivity of the agency’s “core secrets”: see the Intercept article Core Secrets: NSA Saboteurs in China and Germany, 10 October 2014.

This document, produced by the NSA and the US military’s Joint Functional Component Command – Network Wardare, provides a briefing on, and classification guide to, the highly sensitive group of “core computer network operations secrets” codenamed SENTRY EAGLE: see the Intercept article Core Secrets: NSA Saboteurs in China and Germany, 10 October 2014.

This 2010 presentation and speaking notes from the NSA’s Office of Legal Counsel explains the legal authorities governing the agency’s computer network operations (CNO) activities: see the New York Times article Hunting for Hackers, N.S.A. Secretly Expands Internet Spying at U.S. Border, 4 June 2015.

This page from GCHQ’s internal GCWiki describes tools developed by the Joint Threat Research Intelligence Group and their status. The page was last edited in July 2012 and was accessed nearly 20,000 times: see the Intercept article Hacking Online Polls and Other Ways British Spies Seek to Control the Internet, 14 July 2014. jtrigall