Optical Tempest

[Alastair Scott]

On Tue, 12 Mar 2002 13:26:41 +0000, Peter Fairbrother wrote:

>Optical Time-Domain Eavesdropping Risks of CRT Displays Markus=
 G. Kuhn
> http://www.cl.cam.ac.uk/~mgk25/ieee02-optical.pdf
>
>I can only recommend that you read it, or at least look at the
>pictures, if you haven't already.

Excellent and, by coincidence, an entire  paper on an issue=
 mentioned 
en passant (the possibility of reading data transmissions from=
 LEDs on 
network cards, modems, routers etc.) has just been released:

http://applied-math.org/optical_tempest.pdf

Alastair
-- 
Alastair Scott <alastair@cream.org>
London, United Kingdom