More Evidence That Stuxnet Was Targeted At Iran’s Nuclear Program

William Maclean reporting for Reuters discusses the mounting evidence that the Stuxnet worm was aimed at particular converter drive frequencies which have limited applications – including control of gas centrifuges.  An excerpt:

“This finding strongly points to a controller for a module in a gas centrifuge cascade,” [Leading German cyber expert Ralph Langner] blogged. “One reasonable goal for the attack could be to destroy the centrifuge rotor by vibration, which causes the centrifuge to explode.

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