I'm sure that most of you have heard of the Stuxnet Computer Virus by now. Here is an article that goes into much more detail than I've seen before. This is pretty ominous for us because the target of this virus was actually 9000 Siemens Inverters! We don't see this type of connection or communication on our machine tools, but we might some day. Last year, Jeff and I were asked to work on a large (1000 foot long) continuous vulcanization machine in Santa Maria. Its PLC controlled the speeds of 17 inverters along the line and seems like the kind of thing that could be susceptible to this kind of attack.
Something to think about.
http://www.foxnews.com/scitech/2010/11/26/secret-agent-crippled-irans-nuclear-ambitions/
Tuesday, December 7, 2010
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