Shoulder surfing for passwords by ear

Eugen Leitl eugen at
Thu May 13 12:23:32 PDT 2004

On Thu, May 13, 2004 at 02:21:31PM -0400, Jack Lloyd wrote:

> I wonder if my Model M keyboards (which have individual

Heh. Another fan.

But, given the Bluetooth alternatives or
acoustic attack in the privacy of your home should be the least of your

> switches under each key) are vulnerable to this attack. It is pretty noisy,
> can imagine that the noise of each key's switch is sufficiently different
> to wear, etc) that it would still work with modifications.

Eugen* Leitl <a href="">leitl</a>
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