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Top 10 ways US tries to subvert Iran

Iran isn't the only one misbehaving. Here's a look at how the US tries to bring down Iran.

4) The Stuxnet worm

Iranian President Mahmoud Ahmadinejad poses with officials underneath the Simorgh satellite rocket on Feb. 3, 2010. (Rohollah Vahdati/AFP/Getty Images)

They’ll never admit it, of course, but the digital trail of the now-infamous Stuxnet computer virus, which may have set Iran’s nuclear program back by years, runs undoubtedly through both the United States and Israel and was most likely a joint venture, analysts say.

Iranian officials have decried Stuxnet as an act of “computer terrorism” perpetrated by the “domineering powers.” They could be right, say experts who believe the worm’s potency and sophistication point to a new era of warfare.

“In terms of preparation, planning and organization, Stuxnet is completely unparalleled to anything we’ve seen before,” Roel Schouwenberg, a Boston-based researcher for Russian internet security company Kaspersky Lab, told GlobalPost.

Stuxnet wasn’t a total success for the United States. Some of the operations in Iran’s nuclear program survived. But some believe the worm is not yet finished and, anyway, it was a first-generation effort. Military analysts expect more sophisticated cyber attacks to follow.