Security News > 2019 > November > GPS Manipulation

Long article on the manipulation of GPS in Shanghai. It seems not to be some Chinese military program, but ships who are stealing sand. The Shanghai "crop circles," which somehow spoof each vessel to a different false location, are something new. "I'm still puzzled by this," says Humphreys. "I can't get it to work out in the math. It's an...

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https://www.schneier.com/blog/archives/2019/11/gps_manipulatio.html