The most fascinating part of this article to me is this part, which proves that even a super-secure intelligence agency can still have very weak links that can

The most fascinating part of this article to me is this part, which proves that even a super-secure intelligence agency can still have very weak links that can be penetrated: Only a small cadre of trusted contractors were allowed to join Bullrun. It does not appear that Mr. Snowden was among them, but he nonetheless managed to obtain dozens of classified documents referring to the program’s capabilities, methods and sources. Who knows what other documents other internal hackers could have stolen?