From: nabadm @
com (set chaos/total)
Date: Sun, 6 Aug 1995 10:11:49 -0400
Subject: Re: Sanitizing SCSI disks
> Use Norton Wipedisk. Overwrite three times... that'll clear
the media enough
> so that it can be deamed "unclassified." However, it *STILL*
must remain in
> the DOD inventory for two years being *USED* in an
unclassified mode before
> it can be released to the public. (The destruction
certificate must also
> remain with the computer for two years.)
> This is approved up to and including TS.
That may have been true under the ISM, but the ISM has now been
According to the NISPOM "Clearing and Sanitization Matrix",
pages 8-3-5 and
8-3-6, it is no longer possible to sanitize TS. All TS
material must be
(NISPOM stands for "National Industrial Security Program
Operating Manual". ISM
stands for "Industrial Security Manual".
True statement. The new NISPOM allows overwrites ONLY up to
secret. However, the NISPOM exclusively pertains to government
contractors. Procedures adopted by gov't contractors need to be
approved site by site. Approval authority comes through the
Defense Investigative Service. (DIS) The DIS is regional, so in
practice, things approved at a contractor site in the northeast
may not be approved in the southwest, and vise versa.
DoD entities all have their own guidelines. AF: AFSSM 5020;
Navy: OPNAVINST 5510.1H; Army: AR380-19; and the DoD's "Orange
Book" DoD 5200.28-STD for example.
_| _| _|_|_|_|_| Jeff Yunker, Sales Manager
_| _|_| |_ Los Altos Technologies, Inc.
_| _|_|_| |_ jeff @
_|_|_|_| _| |_ |_ 415/988-4848, 415/988-4860(fax)