This NSA information paper from April 2013 describes the state of the agency’s intelligence relationship with its New Zealand counterpart: see the New Zealand Herald article NZ’s spy reach stretches across globe, 11 March 2015.
This undated NSA SIGINT presentation describes nine varieties of QUANTUM malware attack, their operational status and success in the field: see the Intercept article How the NSA Plans to Infect ‘Millions’ of Computers with Malware, 12 March 2014.
This NSA classification guide, dated 21 November 2011, covers signals intelligence material that as to be kept secret for more than the standard 60 years: see the Der Spiegel article The NSA in Germany: Snowden’s Documents Available for Download, 18 June 2014.
This NSA document from 10 September 2010 details operations against foreign embassies, concluding with a glossary of tools and tactics. Earlier versions of this docoument that only contained some of the operations conducted were published in l’Espresso on 5 December 2013 and in Le Monde on 21 October 2013: see the book No Place to Hide, 13 May 2014.