> Most of the incidents, officials said, were self-reported. Such admissions can arise, for example, when an employee takes a polygraph tests as part of a renewal of a security clearance
So of the vague number of reported violations that the NSA will admit to, most of them are found through confessions...and some of these apparently come from the kind of NSA employee who can't fool a polygraph test.
There are so many comical things about this that it's almost hard to be indignant