[4496] in WWW Security List Archive
Re: ERM Surveillance Information
daemon@ATHENA.MIT.EDU (Erci Nolan)
Wed Feb 19 10:58:49 1997
From: "Erci Nolan" <enolan@aol.net>
Date: Wed, 19 Feb 1997 09:11:16 -0500
In-Reply-To: Matthew Petteys <matt@arcticmail.com>
"ERM Surveillance Information" (Feb 18, 6:38pm)
To: matt@arcticmail.com, www-security@ns2.rutgers.edu
Errors-To: owner-www-security@ns2.rutgers.edu
On Feb 18, 6:38pm, Matthew Petteys wrote:
> Subject: ERM Surveillance Information
> Does anyone have any information on a device that can be used to monitor
> the electro-magnetic radiation that a computer monitor emits. I believe
> that this is called a Van Ert device. It can be used to record the
> keystrokes of somebody from a distance and can be used for surveillance.
>
Matt,
I don't know about the Van Ert device. When I worked with the gov't we had
systems that were "Tempest" 'ed, ie sheilded to stop the emmissions you are
asking about. I just did a quick search on tempest and emissions and got
several hits. You might check there.
Erci Nolan
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