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A few months before Max went to jail, a white-hat hacker had invented a sport called “war driving” to highlight the prevalence of leaky networks in San Francisco. After slapping a magnetically mounted antenna to the roof of his Saturn, the white hat cruised the city’s downtown streets while his laptop scanned for beaconing Wi-Fi access points.
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Kevin Poulsen (Kingpin: The true story of Max Butler, the master hacker who ran a billion dollar cyber crime network)