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Massive data breach exposes precise locations for users of many popular apps


A massive Gravy Analytics data breach has exposed precise location data for millions of users of popular smartphone apps.

During that near-instant auction, all of the bidding advertisers can see some information about your device, such as the maker and model type, its IP addresses (which can be used to infer a person’s approximate location), and in some cases, more precise location data if granted by the app user, along with other technical factors that help determine which ad a user will be displayed. But as a byproduct of this process, any advertiser that bids — or anyone closely monitoring these auctions — can also access that trove of so-called “bidstream” data containing device information. There’s been no official statement from Apple to this point, but if Robert is correct, then there should be far fewer iPhone users impacted by the Gravy Analytics breach as a result.

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