Right. So we have a side channel attack where your hand movements over your mobile, when typing in your key, will interfere with WiFi signal patterns in a detectable, traceable way thus revealing your key. Like this (PDF).
Would this, on a second trend note, destroy or obviate even more the need for, Active Access Control ..?

[Mock-up for fabrics not mockery of your security; Stedelijk Amsterdam]

One thought on “WindTalker”

  1. Though not intending to dispute the arguments for active access control, I’d say concerns over detecting device PINs entered by hand on mobile devices are of academic interest at best, given that possession of the device is a 2nd factor. And besides, I’m left-handed.

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