Word was circulating in Geekville that the Stuxnet worm exploited four zero day errors.

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It could be a virus on a USB stick, as the Stuxnet worm showed, though it went in the other direction.

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Unlike the Stuxnet worm, to which Flame seems to be related, which was a very specific attack on a certain set of industrial microcontrollers.

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Little doubt remains that the Stuxnet worm represents one of the most sophisticated digital attacks on critical infrastructure systems that cybersecurity researchers have ever seen.

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Moscow-based cyber security firm Kaspersky Lab said that the latest malware discovery, known as the Flame, is not only similar to the Stuxnet worm that infiltrated Iranian nuclear power plants in 2010, it was more than likely created by the same entities.

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Symantec observed virtually no targeted attacks before Stuxnet, a worm that attacked industrial-control systems, appeared in 2010.

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Stuxnet operates as a computer worm.

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Dai Zovi, coauthor of The Mac Hacker's Handbook, says JailbreakMe's sophistication is on a par with that of Stuxnet, a government-coded worm designed to infect Iran's nuclear facilities.

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This month's update issued patches for 49 vulnerabilities, including one that plugs a hole exploited by Stuxnet, the first-known worm designed to target real-world infrastructure such as power stations, water plants and industrial units.

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