The dangerous Stuxnet worm has attacked Iran again, this time hitting a power plant and other facilities in the country's south—but after being rocked by the powerful computer virus for more than a year beginning in June 2009, Iran says it has rebuffed the latest attack, reports the BBC. "The Bandar Abbas electricity supply company has come under cyber attack," said a local civil defense chief. "But we were able to prevent its expansion owing to our timely measures and the cooperation of skilled hackers." (More Stuxnet stories.)