What did the US military use to carry out a cyber attack against Iran in 2010?

The U.S. military used Stuxnet, a computer virus designed to disrupt industrial control systems, in a cyber attack targeting Iran in 2010. A robot, nuclear weapon, or satellite-guided drone would not be a cyberattack tool. The correct choice is “a virus called Stuxnet.”

AI-written and checked against the verified answer.