Great Circle Associates Firewalls
(January 1996)
 

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Subject: Re: Mitnick & the TCP Sequence Number Attack on Shimomura (LONG posting)
From: Kent Hamilton <kenth @ HNS . St-Louis . Mo . US>
Date: Fri, 12 Jan 1996 22:39:13 -0600 (CST)
To: proberts @ clark . net (Paul D. Robertson)
Cc: firewalls @ greatcircle . com
In-reply-to: <Pine . SOL . 3 . 91 . 960111234927 . 3233D-100000 @ clark . net> from "Paul D. Robertson" at Jan 11, 96 11:50:08 pm
Reply-to: KentH @ HNS . St-Louis . Mo . US

> On Thu, 11 Jan 1996, Brain21 wrote:
> 
> > On Thu, 11 Jan 1996, Benjamin Allan Smith wrote:
> > 
> > > email (3 complete overwrites with random data if I recall correctly) and then 
> > 
> > I thought that the NSA could read approx. 7 writes deep.  If thought that 
> > you just put bullets in those drives (quite literally) instead of 
> > rewriting them.
> >
> 
> I'm sure someone who has a better memory will correct me, but I think
> three or five complete overwrites used to be approved for up to secret 
> (no longer approved, and may have acutally been for up to top secret, 
> memory fades).

I think it used to be 3 over-writes when I last had to worry about it.

[ removed ]

> Back before I entered the world of real classified, we had a big green 
> sledgehammer with which to destroy our secret wartime data that resided 
> on 2314 diskpacks.  The BFGSH  (Big _____ Green Sledge Hammer), correctly 
> weilded was I would suppose approved for emergency destruction only.  I 
> don't think they trusted us with too many thermite grenades :(

Hey, ours was *RED*.....  :-)  Actually for disk packs with TS on 'em
the approved method for destruction about 7 years ago was to take a 
sander to the platter then degauss what was left... no idea if it's 
changed since then.  

-- 
Kent Hamilton                               Work:  KHamilton @
 Hunter .
 COM
URL:  http://www.icon-stl.net/~khamilto     Play:  KentH @
 HNS .
 St-Louis .
 Mo .
 US


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