Stuxnet Worm Used Against Iran Was Tested in Israel

“Behind Dimona’s barbed wire, the experts say, Israel has spun nuclear centrifuges virtually identical to Iran’s at Natanz, where Iranian scientists are struggling to enrich uranium. They say Dimona tested the effectiveness of the Stuxnet computer worm, a destructive program that appears to have wiped out roughly a fifth of Iran’s nuclear centrifuges and helped delay, though not destroy, Tehran’s ability to make its first nuclear arms.

‘To check out the worm, you have to know the machines,’ said an American expert on nuclear intelligence. ‘The reason the worm has been effective is that the Israelis tried it out.’ “

Source: Stuxnet Worm Used Against Iran Was Tested in Israel – NYTimes.com