On many bank offices in Hungary there are shields installed into the wall
and onto all the windows so there is not possible to read the screen from
outside of the building via capturing the electromagnetic field that a
monitor generates -- well, that's the theory at least.

Tamas



On Mon, Jul 13, 2009 at 8:58 PM, cdb <colin@btech-online.co.uk> wrote:

>  Just read this article on BBC News concerning the ability to evesdrop
> on what someone is typing on their PC by tapping into the data signal
> on a wired keyboard via earth leakage.
>
> I'm not sure why this is thought to be a new discovery, I recall many
> many years ago a demonstration by a BBC science program of reproducing
> what a user was doing by tuning in to the signals in the video cable.
> They uses the same technology that is used in the licence detector
> vans (more accurately signal detector vans). They could produce a
> fuzzy but clearly readable 'screenshot' .
>
> http://news.bbc.co.uk/2/hi/technology/8147534.stm
>
> Colin
> --
> cdb,   3/07/2009
>
> --
>
>
>
>
> colin@btech-online.co.uk
>
> --
> http://www.piclist.com PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>



-- 
http://www.mcuhobby.com
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist