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Stuxnet Worm Still Out of Control at Iran's Nuclear Sites, Experts Say
By Ed Barnes
Published December 09, 2010
| FoxNews.com
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Iran International Photo Agency, via AFP
Aug 21: The first fuel is loaded into the reactor building at the Russian-built Bushehr nuclear power plant in Iran.
EXCLUSIVE: Iran's nuclear program is still in chaos despite its leaders' adamant claim that they have contained the computer worm that attacked their facilities, cybersecurity experts in the United States and Europe say.
The American and European experts say their security websites, which deal with the computer worm known as Stuxnet, continue to be swamped with traffic from Tehran and other places in the Islamic Republic, an indication that the worm continues to infect the computers at Iran's two nuclear sites.
The Stuxnet worm, named after initials found in its code, is the most sophisticated cyberweapon ever created. Examination of the worm shows it was a cybermissile designed to penetrate advanced security systems. It was equipped with a warhead that targeted and took over the controls of the centrifuge systems at Iran’s uranium processing center in Natanz, and it had a second warhead that targeted the massive turbine at the nuclear reactor in Bashehr.
Stuxnet was designed to take over the control systems and evade detection, and it apparently was very successful. Last week President Mahmoud Ahmadinejad, after months of denials, admitted that the worm had penetrated Iran's nuclear sites, but he said it was detected and controlled.
The second part of that claim, experts say, doesn’t ring true.

Eric Byres, a computer expert who has studied the worm, said his site was hit with a surge in traffic from Iran, meaning that efforts to get the two nuclear plants to function normally have failed. The web traffic, he says, shows Iran still hasn’t come to grips with the complexity of the malware that appears to be still infecting the systems at both Bashehr and Natanz.
“The effort has been stunning," Byres said. "Two years ago American users on my site outnumbered Iranians by 100 to 1. Today we are close to a majority of Iranian users.”


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