Re: Laptops and TEMPEST

[Dave Del Torto <ddt@pgp.com>]

At 2:18 pm -0800 12/5/96, Joel McNamara wrote:
>Thinking that LCD screens reduce the risks of emanation monitoring is a
>dangerous misconception  [elided]  the gotcha with current laptops is their
>backlighting.  Electric and magnetic fields are considerably higher
>compared with a low-res/contrast device.  [elided]

An interesting point, but the fluorescent is mostly a constant signal,
really, but Hugh pointed out that most laptops have a video chip radiating
far more useful data than the flourescent backlight.

Just a thought.

   dave


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 I don't trust _anybody_!"                                  --Steven Wright