This 2005 post from the NSA’s internal newsletter SIDToday describes the agency’s ongoing surveillance of a, “outwardly legitimate” European activist group, the Anti-Imperialist Camp: see the Intercept article NSA Used Porn to “Break Down Detainees” in Iraq — and Other Revelations From 297 Snowden Documents, 1 March 2018.
This 2011 Wiki page details aspects of GCHQ’s DAPINO GAMMA operation against mobile SIM manufacturer Gemalto: see the Intercept article The Great SIM Heist: How Spies Stole the Keys to the Encryption Castle, 19 February 2015.
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 update from the NSANet intranet shows that the International Security Issues section of the agency shows a growing emphasis on gathering economic and financial information on the 13 countries under its remit: see the Fantástico article Veja os documentos ultrassecretos que comprovam espionagem a Dilma, 2 December 2013.
This short excerpt from an NSA document shows that nine European States – Belgium, Denmark, France, Germany, Italy, The Netherlands, Norway, Spain and Sweden – have a second-tier ‘third party’ relationship with the agency: see the SVT article NSA “asking for” specific exchanges from FRA – Secret treaty since 1954, 8 December 2013.