This 9 September 2011 post from the NSA’s internal intranet, NSANet, is from the Ask Zelda! series of columns, which are popular within the agency. In this post, the NSA’s own agony aunt counsels agency employee Silenced in SID who is concerned about surveillance in the workplace: see the Intercept article The NSA Has An Advice Columnist. Seriously., 7 March 2014.
This page from the NSA intranet dated July 2011 supplies advice from the NSA Offices of General Counsel (OGC) and Oversight and Compliance (NOC) on the admissibility of targeting strategies against the users of popular websites (including WikLeaks and the Pirate Bay): see the Intercept article Snowden Documents Reveal Covert Surveillance and Pressure Tactics Aimed at WikiLeaks and Its Supporters, 18 February 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.