I missed most of that ; already had a clearance when I went to work at Wang
Labs. What a shame, eh? Of course, those days are long gone.
Cortland
KA5S
----- Original Message -----
From: Don Gies <mailto:[email protected]>
To: Bill Owsley <mailto:[email protected]> ;[email protected]
Sent: 7/14/2009 7:00:09 AM
Subject: RE: FW: WHAT GOES AROUND COMES AROUND
The problem with us ex-TEMPEST engineers is that we were sworn to
secrecy,
and the Department of Defense made sure we would not talk by going around,
scaring the daylights out of our neighbors by knocking on their doors,
flashing a badge, and asking them personal questions about us when we were
getting our clearances.
Beyond saying that TEMPEST was the control of compromising emanations,
pretty
much everything else in NACSIM 5100 was classified.
Best Regards,
Don Gies, N.C.E
Senior Product Compliance Engineer
Alcatel-Lucent
Murray Hill, NJ 07974-0636 USA
________________________________
From: Bill Owsley [mailto:[email protected]]
Sent: Monday, July 13, 2009 11:48 PM
To: [email protected]
Subject: Re: FW: WHAT GOES AROUND COMES AROUND
Well... TEMPEST as I heard of it, means only intelligible information (none to
be found). The device can interfere such that nothing else works, but as long
as nothing intelligible can be found in that noise, then it's TEMPEST. The
TEMPEST guys can set me straight on this.
As for ITE products, I have had a few that were great at self-detecting. The
EMI noise was such that the audio circuits picked it up and sent it to the
speakers for our listening enjoyment. We got to where the we could recognise
by the audio signiture just which part was the problem.
- Bill
Indecision may or may not be the problem.
--- On Mon, 7/13/09, Cortland Richmond <[email protected]> wrote:
From: Cortland Richmond <[email protected]>
Subject: RE: FW: WHAT GOES AROUND COMES AROUND
To: [email protected]
Date: Monday, July 13, 2009, 8:54 PM
In a company not really far away and only years ago, I was evaluating a
computer with a (then new) CD drive. I discovered there was no bypassing on
the headset line ("What for?. it's only audio!") and was able to show our
Board -- then touring the EMI lab -- that we could hear on the spectrum
analyzer's speaker the music being played.
IIRC,we shipped that model with plastic rivets glued into the headphone
jacks.
TEMPEST techniques are merely physics. A lot of folks have worked in the
field, but, true to the oath of secrecy, remain close-mouthed about what can
be done, has been done -- and might be done. Some day an irate Congressman
will explode: "You mean you knew FIFTY YEARS AGO and didn't TELL us?"
Yup.
Cortland Richmond KA5S
GE Aviation
Words and opinions my own, not my employer's
----- Original Message -----
From: Price, Edward <http://us.mc396.
ail.yahoo.com/mc/[email protected]>
To: [email protected] <http://us.mc39
.mail.yahoo.com/mc/[email protected]>
Sent: 7/13/2009 6:26:24 PM
Subject: FW: WHAT GOES AROUND COMES AROUND
From: Price, Edward
Sent: Monday, July 13, 2009 10:21 AM
To: [email protected]
Subject: RE: WHAT GOES AROUND COMES AROUND
Bill:
Same idea, but a different vulnerability. The prof was Wim Van
Eck, and he
demonstrated retrieving video images from monitor radiation circa 1985. Again,
this was common knowledge among security guys, but he introduced the
phenomenon to the public.
Ed Price
[email protected] WB6WSN
NARTE Certified EMC Engineer
Electromagnetic Compatibility Lab
Cubic Defense Applications
San Diego, CA USA
858-505-2780
Military & Avionics EMC Is Our Specialty
________________________________
From: [email protected] [mailto:[email protected]] On
Behalf Of Bill Owsley
Sent: Monday, July 13, 2009 9:40 AM
To: [email protected]; Derek Walton
Subject: Re: WHAT GOES AROUND COMES AROUND
Around 1980 a guest professor demonstrated that technique using radiated
emissions. The receiving equipment fit into a large briefcase.
- Bill
Indecision may or may not be the problem.
--- On Mon, 7/13/09, Derek Walton <[email protected]> wrote:
From: Derek Walton <[email protected]>
Subject: WHAT GOES AROUND COMES AROUND
To: "[email protected]" <[email protected]>
List-Post: [email protected]
List-Post: [email protected]
List-Post: [email protected]
Date: Monday, July 13, 2009, 12:30 PM
http://news.bbc.co.uk/2/hi/technology/8147534.stm
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