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Location data from 2 apps can ID you across domains even if you use fake names

Discussion in 'Network World' started by RSS, Apr 18, 2016.

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    RSS New Member Member

    If you think that making up a bogus name or using a fake age on a profile actually makes you harder to link to your profiles on other sites, then think again as researchers have determined how to use location data to link users across domains. You also should not be comforted when you learn that big data has been stripped of names and personal details; researchers say it is “no guarantee of privacy.”

    Columbia University computer science researchers Chris Riederer, Yunsung Kim, and Augustin Chaintreau, along with Google researchers Nitish Korula and Silvio Lattanzi, combined their considerable brain power to come up with an algorithm that only needs location data from two apps to identify someone. The researchers recently presented their paper, “Linking Users Across Domains with Location Data: Theory and Validation” (pdf), at the 25th International World Wide Web Conference.

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