Exclusive: New thesis on how Stuxnet infiltrated Iran nuclear facility

The Stuxnet worm that attacked Iran's nuclear facility at Natanz came to light nearly four years ago, but how it got there remains a mystery. A possible new explanation, outlined Tuesday, cites the supply chain as the key.

By Mark Clayton,
http://www.csmonitor.com/World/Security-Watch/2014/0225/Exclusive-New-thesis-on-how-Stuxnet-infiltrated-Iran-nuclear-facility