An anonymous reader writes: Two fellow employees of mine have related that they have had credit cards used illegally after using them to pay for parking in San Francisco, using meters that have wireless connectivity. Has anyone else heard of this kind of hack? I know they use the 900 MHz range, same as utility SmartMeters, for which I have seen sniffers built. Does anyone know if the traffic is encrypted from the meter to the local antennae, before moving to cell transmission?
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