European digital security company Kaspersky Labs released a statement that described Stuxnet as "a working and fearsome prototype of a cyber-weapon that will lead to the creation of a new arms race in the world." Kevin Hogan, Senior Director of Security Response at Symantec, noted that 60 percent of the infected computers worldwide were in Iran, suggesting its industrial plants were the target.[12] Kaspersky Labs concluded that the attacks could only have been conducted "with nation-state support", making Iran the first target of real cyber warfare.[1
Not that they'll ever cop to it, but it had to be. Of course, it sets a bad precedent -- cyberwar is going to be zipping back and forth in our lifetimes, disabling systems. Should be curious.