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Re: computer RF security - Tempest attacks

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Alex Harford (alexh@dowco.com)
Wed, 10 Mar 1999 19:48:28 -0800 (PST)


On Wed, 10 Mar 1999, Kevin Chu wrote:

> Something I forgot to write earlier.... Wouldn't the construction of
> a large cage made of a conductive substance, as seen in the movie
> Enemy of the State, prevent the broadcasting of EM signals? I know
> that electronic products (SMPS, the king of EMI, the ultimate
> noisemaker) have meshes designed to block certain wavelengths, in
> order to pass EMI testing.

A Faraday cage. That's why I cover my head in tinfoil, since the
goverment can send signals to your brain unless you protect it. It keeps
EM radiation from going in or out :)

----------------------------------------------------------------------
Alex Harford Alcohol and calculus don't mix.
http://www.dowco.com/~alexh Don't drink and derive.
alexh@dowco.com


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