In this column by the “SIGINT Curmudgeon” for the NSA internal newsletter SIDToday, he discusses a meeting of a group of senior collection officers (SCOs) from Five Eyes partner agencies: see the Intercept article Before Snowden, an NSA Spy tried to incite change from the inside. He called himself the “curmudgeon” of signals intelligence, 15 August 2018.
This NSA document contains the short text of the Alice Springs Resolution, a 2014 agreement designed to allow common metadata sharing between the Five Eyes intelligence alliance: see the Intercept article How London’s 7/7 Bombings Led to “Unprecedented” Surveillance Tactics, 1 March 2018.
This CSEC presentation from 2011 communicates Canada’s current and future cyberwar plans to their Five Eyes partners: see the article Communication Security Establishment’s cyberwarfare toolbox revealed, 23 March 2015.
This 2010 CSEC document complete with speakers’ notes shows that visits to Canadian government websites were monitored, and hundreds of thousands of emails to government email addresses retained every day, for cybersecurity purposes: see the CBC News article CSE monitors millions of Canadian emails to government, 25 February 2015.
This CSE (then CSEC) presentation from 2012 describes the Canadian agency’s file download monitoring operation: see the Intercept article Canada Casts Global Surveillance Dragnet Over File Downloads, 28 January 2015.
This GCHQ paper dated 13 June 2011 proposes an attack to deanonymise Tor users: see the Der Spiegel story Prying Eyes: Inside the NSA’s War on Internet Security, 28 December 2014.