Stuxnet worm can re-infect scrubbed PCs

A security researcher today revealed yet another way that the Stuxnet worm spreads, a tactic that can re-infect machines that have already been scrubbed of the malware.The new information came on the heels of admissions by Iranian officials that Stuxnet had infected at least 30,000 of the country’s Windows PCs, including some of the machines at the Bushehr nuclear reactor in southwestern Iran.
http://www.computerworld.com/s/article/9188238/Stuxnet_worm_can_re_infect_scrubbed_PCsAlso see:ANALYSIS – Could Iran retaliate for apparent cyber attack?
Iran has limited capacity to retaliate in kind to an apparent cyber attack that infected computers at its sole nuclear power plant, analysts say, but some worry it could seek to hit back by other means.Security experts say they believe the release of the Stuxnet computer worm may have been a state-backed attack on Iran’s nuclear program, most likely originating in the United States or Israel. But they say the truth may never be known.
http://in.reuters.com/article/idINIndia-51769220100927FACTBOX – Implications of apparent Stuxnet Iran cyber attack
An apparent cyber attack on Iran shows the vulnerability of critical national infrastructure systems to attack through widely used computer programs and imported technology.Iranian officials said on Sunday that the Stuxnet worm had infected staff computers at the Bushehr nuclear power plant but had not affected major systems there.
http://in.reuters.com/article/idINIndia-51767920100927

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