New York Times on America's sixth reported, U.S. Presidenthas ordered a series of cyber attacks on Iran's nuclear facilities.
Weapons used to attack it's a computer virus, known by the name Stuxnet. It has the ability to penetrate the computer networks that Iran used to control most of the uranium enrichment equipment at Natanz facility. Although Iran's computer system does not connect to the internet, but according to The New York Times, U.S. still gets the job done this in a way that far are still considered confidential. The source also said the National Security Agency of the United States has cooperated with Israel to attack this program.
Virus Stuxnet was to collect information about the condition of system operations like Iran, then began a campaign to destroy the system that Iran centrifuges used for uranium production.