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Date: Thu, 19 Feb 2015 02:34:24 +1100 (EST)
From: Ian Smith <smithi@nimnet.asn.au>
To: Michael Powell <nightrecon@hotmail.com>
Subject: Re: What's in my hard drive? How can I get rid of it?
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In freebsd-questions Digest, Vol 559, Issue 3, Message: 4
On Wed, 18 Feb 2015 00:51:39 -0500 Michael Powell <nightrecon@hotmail.com> wrote:
 > Daniel Feenberg wrote:
 > > 
 > > On Tue, 17 Feb 2015, Michael Powell wrote:
 > > 
 > >> [snip]
 > >>
 > >> Remove the cover. Remove the platters. Smash all platters with large
 > >> sledge hammer until all pieces are fairly small. Melt material with
 > >> oxyacetylene welders torch. Repeat smashing with hammer. Soak for few
 > >> hours in hydrofluoric acid. Rinse and allow to dry. Grind material into a
 > >> fine particulate dust. Dispose of out the back of airplane while flying
 > >> or drop into convenient nearby volcano. That might be good enough.
 > >>
 > >> Send the electronic components to Kaspersky for analysis.
 > > 
 > > I did once investigate claims that overwritten sectors could be read by
 > > sophisticated instruments and posted my results at:
 > > 
 > >    http://www.nber.org/sys-admin/overwritten-data-gutmann.html
 > > 
 > > 
 > > In short - that is pure science fiction.
 > > 
 > > daniel feenberg
 > 
 > I'm autistic. I've always had a problem getting sarcasm right. Still working 
 > on it...

Just because not everybody gets it doesn't mean you're doing it wrong :)

cheers,  Ian