Slashdot reader nickwinlund77 quotes Wired:
Location data sharing from wireless carriers has been a major privacy issue in recent years… Carriers remain perennially hungry to know as much about you as they can. Now, researchers are proposing a simple plan to limit how much bulk location data they can get from cell towers.
Much of the third-party location data industry is fueled by apps that gain permission to access your GPS information, but the location data that carriers can collect from cell towers has often provided an alternative pipeline. For years it’s seemed like little could be done about this leakage, because cutting off access to this data would likely require the sort of systemic upgrades that carriers are loath to make.
At the Usenix security conference on Thursday, though, network security researchers Paul Schmitt of Princeton University and Barath Raghavan of the University of Southern California are presenting a scheme called Pretty Good Phone Privacy that can mask wireless users’ locations from carriers with a simple software upgrade that any carrier can adopt—no tectonic infrastructure shifts required… The researchers propose installing portals on every device — using an app or operating system function — that run regular checks with a billing server to confirm that a user is in good standing. The system would hand out digital tokens that don’t identify the specific device but simply indicate whether the attached wireless account is paid up.
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