Symantec, the big multinational anti virus company has an official demonstration video of how the stuxnet virus works. This virus is rumored to have infected Iranian nuclear power plants and lately the Fukushima nuclear power plants in Japan. So it is rumored that the Japan problems were compounded: earthquake, tsunami, nuclear power plant physical damage and stuxnet virus infection which prevented the Siemens PLCs from doing their job.
And some people are in disbelief as to the existence of the Stuxnet virus. Well, some people have never seen a PLC before. I’m an engineer and I’ve come across PLCs in engineering school and at work. PLCs are used to control industrial machinery… such as those machineries in a nuclear power plant.
Israel and the United States have emerged as the prime suspects behind the Stuxnet worm attack, which has infected the Iranian nuclear plant at Bushehr, following the discovery that a “wealthy group or nation” must have been responsible for the malware assault.
Pass this around people, viruses are no longer a personal annoyance, they are a real and present danger with massive consequences. Industrial sabotage.
This video demonstrates how W32.Stuxnet can compromise a Programmable Logic Controller (PLC), resulting in unintended consequences for the machines connected to it. From the Symantec Security Response blog.
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