The Stuxnet worm, which targets industrial control systems, or "SCADA" systems, is one of the most sophisticated bits of digital malware security researchers have come across in a long time. Now, those researchers want to know where it came from. Was Stuxnet the product of a den of hackers working on their own accord, or did a national government somewhere in the world have a hand in its creation? "Given the sophistication and organization behind it, we highly suspect it has nation-state involvement rather than being a tool for competitive intelligence," Roel Schouwenberg, a senior antivirus researcher with Kaspersky Lab, told TechNewsWorld. Security experts are still trying to find out who created and distributed the Stuxnet worm, and why.

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