Wikipedia article about NSA tends to differ: Although many of NSA's programs rely on "passive" electronic collection, the agency is authorized to accomplish it

Wikipedia article about NSA tends to differ: Although many of NSA's programs rely on "passive" electronic collection, the agency is authorized to accomplish its mission through active clandestine means,among which are physically bugging electronic systems and allegedly engaging in sabotage through subversive software. Though I cannot pinpoint it on NSA, I would say stuxnet is a good example of sabotage and probably involves the NSA.