Someone smart who thinks they are connected to a rogue AP (or even a store manager, who should know their own WiFi network - also knowing they don't have a portal that looks the way it does currently) could use any WiFi sniffing tool for their phone and monitor the strength of the radio bandwidth which would grow stronger while they are walking closer to the AP.
I think you're expecting a lot of the average cafe owner, I doubt that anyone other than an outside contractor would have the ability to follow through; to be honest I don't think that anyone who's in the position to be opening a cafe is going to be able to do any more than being suspicious about the portal changing.
That might just be my experience of business owners in Australia
Wep that accepts all entered passwords?
in Hacks & Mods
Posted
I think you're expecting a lot of the average cafe owner, I doubt that anyone other than an outside contractor would have the ability to follow through; to be honest I don't think that anyone who's in the position to be opening a cafe is going to be able to do any more than being suspicious about the portal changing.
That might just be my experience of business owners in Australia