That‘s because, contrary to much of what‘s been reported about Snowden‘s work at the NSA, it wasn‘t his position as a systems administrator and the broad access to networks and databases that came with it that allowed him to steal so many secrets. Rather, Anderson said, „the lion‘s share“ of the information Snowden obtained was available to him because of his top-secret security clearance — TS/SCI — which allowed him to access so-called sensitive compartmented information.