US national objectives around the world

"The US is understood to have already participated in at least one major cyber attack, the use of the Stuxnet computer worm targeted on Iranian uranium enrichment centrifuges, the legality of which has been the subject of controversy. US reports citing high-level sources within the intelligence services said the US and Israel were responsible for the worm. In the presidential directive, the criteria for offensive cyber operations in the directive is not limited to retaliatory action but vaguely framed as advancing "US national objectives around the world"."