Re: One word:
No so much incompetence, but they make mistakes - everyone does. So I would believe that they got lucky on a mistake.
On the other side, the NSA benefits from mistakes other people make. This is why having a thorough collection program is so important - you pick up on lots of mistakes and are thus able to collect lots of valuable information. Thus, these places require "plodders" rather than brilliant 'leet h4ckors...
Biting the hand that feeds IT
