"My opinion is that the US and Israeli Mossad is involved," Ralph Langner said while discussing his in-depth Stuxnet analysis at a prestigious TED conference in the Southern California city of Long Beach.
"But, the leading source is not Israel... There is only one leading source, and that is the United States."
"The idea behind Stuxnet computer worm is really quite simple," Langner said. "We don't want Iran to get the bomb."
"It was engineered by people who obviously had inside information," he explained. "They probably also knew the shoe size of the operator."
Computer expert says US behind Stuxnet worm
I guess it might be easy to explode any future Iranian reactor.