NOBUS (Nobody but Us)
> If there's a vulnerability here that weakens encryption but you still need four acres of Cray computers in the basement in order to work it you kind of think "NOBUS" and that's a vulnerability we are not ethically or legally compelled to try to patch – it's one that ethically and legally we could try to exploit in order to keep Americans safe from others.<p>Not sure about the law, but I'd say that assuming that nobody else has that kind of computing power is quite arrogant, and it's certainly not "ethical" to keep it undisclosed…