full-disclosure - Re: Stealthier Internet access

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Date: Tue, 25 May 2010 22:42:56 +0200
From: Christian Sciberras <uuf6429@...il.com>
To: Valdis.Kletnieks@...edu
Cc: full-disclosure <full-disclosure@...ts.grok.org.uk>
Subject: Re: Stealthier Internet access

Valdis, you're wrong.
Give me another century and I'll prove it to you.


:-)

On Tue, May 25, 2010 at 10:08 PM, <Valdis.Kletnieks@...edu> wrote:

> On Wed, 26 May 2010 01:25:25 +0545, Bipin Gautam said:
>
> Rest of article actually looks good at first glance, but this jumped out at
> me:
>
> > > -Software disk Wiping:
> > >  Wipe KEY, header of your encrypted storage volume (first few mb, ref
> > > specific manual) Ref using Peter Gutmann standard of data wipeing (35
> > > wipes)
> > > And wipe entire storage using U.S. DoD 5200.28-STD (7 wipes)
>
> There is zero evidence that anybody is able to recover data after even a
> single overwrite of /dev/zero on a disk drive made this century.  Even in
> the MFM days, Gutmann's recovery technique was difficult - today's
> densities
> render it essentially impossible.  Even if it's possible, if your threat
> model
> includes the sort of organizations that could theoretically do it, maybe
> you
> should be considering thermite rather than software wipes.  Especially if
> they're pounding on your door. ;)
>
> I'm more than open to hear of any *confirmed* cases of data recovered after
> even a single overwrite anytime after 1995.  To date, I have not seen one.
> Prove me wrong, guys. ;)
>
>
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