It is no longer a thought experiment. The age of Cyber-Warfare has begun. The only question is, who created this thing? The USA, Israel, France, Russia? I'm betting there is a tell-all book already written, waiting for the right moment.
The malware, however, doesn’t just sabotage any frequency converter. It inventories a plant’s network and only springs to life if the plant has at least 33 frequency converter drives made by Fararo Paya in Teheran, Iran, or by the Finland-based Vacon.
Even more specifically, Stuxnet targets only frequency drives from these two companies that are running at high speeds – between 807Hz and 1210Hz. Such high speeds are used only for select applications. Symantec is careful not to say definitively that Stuxnet was targeting a nuclear facility, but notes that “frequency converter drives that output over 600Hz are regulated for export in the United States by the Nuclear Regulatory Commission as they can be used for uranium enrichment.”
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