This is the scenario:

1) I set up a personal hotspot using my iPhone 4S running iOS 5 (we call this device A)

2) I connect a mobile device (e.g. a smartphone) using WiFi to have it use the hotspot for internet (we call this device B)

Is it then possible for outsiders to sniff information about device B, e.g. the IMEI/MAC address, if internet traffic over the hotspot is monitored?


  • 1
    Sorry for nitpicking, but why do "we call this device A" if we never mention it again? – techraf Mar 25 '16 at 9:47
  • To make sure it is clear that I'm interested in what can be gathered about the device not making the internet connection, i.e. the one "behind" device A. There - I addressed it! :) Any input to the problem? – lhansen Mar 25 '16 at 10:50
  • Is there a reason it must run iOS 5? Are you concerned about specific vulnerabilities in this version of iOS? – Hans Kristian Mar 29 '16 at 14:46

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