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344kellogg
10 pts.
 Geofencing and Jailbroken Apps
IOS
I am part of a start up that is creating apps that use "geofencing" to authenticate a user. The app is only supposed to work if the user is within a specific geofence. The problem we're foreseeing is that jailbroken phones will be able to trick the app / phone into thinking it's somewhere that it's not, ultimately fooling the authentication. We're curious if you have any insights into how we can combat this potential problem. Thanks.

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ASKED: October 2, 2012  6:42 AM
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Last Wiki Answer Submitted:  October 2, 2012  7:41 pm  by  lenduz   90 pts.
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No answer from me today.
 
Unless you completely control the electronics themselves, I don’t see any reliable method. A processor can only process the signals it receives. If you can’t guarantee the signals, you can’t guarantee the processing.
 
At least, that’s a way to restate your problem. You already know that, but it might help any brainstorming suggestions to have an alternative description. It’s a problem that I don’t think anyone has gotten all the way around before, not for any general computing device (including human brains).
 
Interesting question. Maybe some replies will be, too.
 
Tom

TomLiotta
 107,845 pts.