Security Basics mailing list archives

Re: Interesting One


From: Thomas Sjögren <thomas () northernsecurity net>
Date: Tue, 29 Oct 2002 23:28:42 +0100

On Monday 28 October 2002 23:06, Dave Adams wrote:

I had an interesting conversation today with someone from FAST
(Federation
Against Software Theft) They pretend not to be a snitch wing of the
BSA. Anyway, to get to the point, the guy that came to see me said
that their forensics guys could read data off a hard drive that had
been written over
up to thirty times. [...]

Really? Wow. Please email me about the tools they are using, but that's 
probably classified.

can anyone point me to a source of information where I can get the 
facts on exactly how much data can be retrieved off a hard drive and 
under what conditions etc etc.

Peter Gutmann, Secure Deletion of Data from Magnetic and Solid-State
Memory, http://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html

DoD 5220.22-M (NISPOM), chapter 8, "Clearing and Sanitization 
Matrix", http://www.dss.mil/isec/nispom.htm

[ snip, 18 lines of legal disclaimer in emails are a waste of pixels]

/Thomas
-- 
thomas () northernsecurity net | www.northernsecurity.net  
thomas () se linux org | www.se.linux.org


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