Harvey Newstrom wrote:
> > EvMick, your laptop is quite safe inside your truck. Stephenson described
> > an antenna that needed to be pretty close to the computer to do phreaking.
> > For any given signal of course the antenna would need to be proportionally
> > larger as it gets farther away from the source. spike
>
> This is the basis of the old DoD Tempest requirements that government
> secured vaults be lead-lined and have no external cables of any kind for
> power or data. A simple truck body does not meet the requirements for
> Tempest shielding.
Ooops I was thinking he was protected by distance, not the little bit of
radiation shielding provided by his metal truck. When I thought that, I
was thinking of the little bit of signal leaking from a low-power laptop,
with the rig going down the highway, but of course he wouldnt be
using it while he was driving. {8^D Some yahoo *could* sneak up while
he was parked at the truckstop and set up an antenna. My mistake
EvMick. Dooooooh! spike
This archive was generated by hypermail 2b29 : Thu Jul 27 2000 - 14:10:35 MDT