U.S.-Israeli malware production

"Whereas Stuxnet was a black ops mission bent on destruction, Duqu appeared to be the forward scout, sent out to collect intelligence for future assaults. Symantec suspected it was the precursor to another Stuxnet-like attack." "If the United States was behind the attack, it also meant that while one branch of the government was touting the importance of securing critical infrastructure at home and developing acceptable norms of behavior for the internet, another was busy compromising critical systems that were important for the security of the internet, and establishing questionable norms of behavior that others would copy."