http://www.washingtonpost.com/world...10e554-05ca-11e3-a07f-49ddc7417125_story.html
http://www.newsobserver.com/2013/08/15/3109412/nc-state-teams-up-with-nsa-on.html
http://www.wired.com/threatlevel/2012/03/ff_nsadatacenter/all/
http://www.reuters.com/article/2013/08/15/usa-security-snowden-dell-idUSL2N0GF11220130815
http://www.newsobserver.com/2013/08/15/3109412/nc-state-teams-up-with-nsa-on.html
http://www.wired.com/threatlevel/2012/03/ff_nsadatacenter/all/
http://www.reuters.com/article/2013/08/15/usa-security-snowden-dell-idUSL2N0GF11220130815