keyboard sniffing - old topic, more info

reynt0 reynt0 at
Tue Nov 4 21:43:48 CET 2008

Some months ago the topic arose of sniffability of keyboard
sounds, about which I gave a little information.  I now see 
that some researchers in der Schweiz recently did sniffing
of keyboard EMF radiations which might be of interest here
( (note the lab name includes 
crypto, "Security and Cryptography Laboratory")).  They mention 
success from some distance away, including through walls.

Further giving urls, I gave no cites before about sniffing
of keyboard sounds, so here are some :-) :
from 2004:
(need a login to download full article, but can websearch it)
And followups/derivatives (maybe need a login to download full):
from 2005:
from 2006:


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