Jamming WiFi tracking beacons

[Keira Cran <keiracran () eml cc>]

Hey,

It's great that companies like Apple recognising the threat of tracking
people via their devices wifi cards' MAC addresses, by randomising them.

Naturally, I wondered i it was possible to jam the measurement beacon by
spoofing tons of wifi clients.  At one point in London, there was an
advertising firm with tracking bins [1] and I have a nice clip of a
technician looking puzzled at one beacon trying to figure out what's
wrong. (Unfortunately, it's bit too close to home (literally) to share.)
In the US I believe some ad "analytics" firms like SenseNetworks do
something similar. [2]

Consider this a call to arms then, to put those unused raspberry pies
you have lying around to good use.

best,
keira

[1]
http://www.theguardian.com/world/2013/aug/12/city-london-corporation-spy-bins
[2] http://sensenetworks.com/


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