Optical Tempest

[Richard Clayton]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

In article <B8B3B291.16236%peter.fairbrother@ntlworld.com>, Peter
Fairbrother <peter.fairbrother@ntlworld.com> writes

>Makes Tempest look like a toy. Nice (?) one, Markus. I shall be buying an
>lcd screen as soon as I can.

The attack works well when the room is dark - and not otherwise

So it's simpler and cheaper just to ensure you keep the lights
on (assuming they're kicking out a range of wavelengths, so it's
hard to filter out the "noise")...

... burning a few large votive candles might also work reasonably well :=)

- -- 
richard                                              Richard Clayton

They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety.         Benjamin Franklin

-----BEGIN PGP SIGNATURE-----
Version: PGPsdk version 1.7.1

iQA/AwUBPI4dxRfnRQV/feRLEQKMQQCeK96+6te0uuse5n6cfQpYS+hUKg0An2vE
AvIbAahNYn4h2tEs1PySKZfd
=xbgw
-----END PGP SIGNATURE-----