It Takes Just $1,000 to Track Someone’s Location With Mobile Ads
“They they were able to follow their test phones’ locations within a range of about 25 feet any time the phone user left an app open in one location for about 4 minutes or opened it twice in the same location during that time span. They registered just a 6-minute delay in the ad network’s real-time reporting of the phone’s location. Following a human test subject carrying each test phone over seven days, they were able to easily identify the person’s home and work address, based on where their target stopped. […]
“The DSP they used never flagged their behavior as unusual or cut off their account for attempting targeted surveillance.”
University of Washington researchers have shown just how cheaply spies can exploit ad networks for fine-grained, individualized surveillance.
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