On Thu, 26 Jun 2008 17:02:14 +0100, Invisible wrote:

> Right. Well I'll tell you what, you show me an actual technique that
> allows you to recover data from a harddrive after every individual block
> has been written with zeros, without the use of a microscope. ;-)

Send it here:  http://www.ontrack.com

Or maybe here:  http://salvagedata.com

Or use something like this: http://freshmeat.net/projects/mobiusft/

Or maybe http://freshmeat.net/projects/fccubootcd/

(The latter is reportedly used by the Belgian Federal Computer Crime Unit)

Forensic data recovery is a booming business at the moment (got a friend 
who does it, in fact).  Just wiping a drive is absolutely not sufficient 
- people have been convicted using evidence recovered from a drive 
without using "a microscope" (and BTW, how would that help?  The data is 
encoded in a magnetic field, a microscope won't see that).

Jim

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