Transparent keyboards

Benjamin Donnachie benjamin at
Sun Sep 4 14:12:44 CEST 2005

Jean-David Beyer <jdbeyer at> wrote: 
>My guess is that if someone serious about this, such as a large government
>agency, were to do it, they might do something really simple, like replace
>some board in your machine (modem?) with another one just like it but with
>the keylogger on it.

Seems a lot of effort and potentially risky...  Why not just use
electromagnetic radiation 
eavesdropping - such as TEMPEST?

benjamin at

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