In early July, hacker Jacob Appelbaum and two other security experts published a blockbuster story in conjunction with the German press. They had obtained leaked top secret NSA documents and source code showing that the surveillance agency had targeted and potentially penetrated the Tor Network, a widely used privacy tool considered to be the holy grail of online anonymity.
more here............http://pando.com/2014/07/16/tor-spooks/
more here............http://pando.com/2014/07/16/tor-spooks/