[GRLUG] Data wiping / recovery / paranoia

[Jorge La]

I do wanna test shreding a HDD 999x and see if that company can recover
stuff.
Hmm.. anyone wanna fork over 1k?

LOL

On 9/15/06, john-thomas richards <jtr at jrichards.org> wrote:
>
> On Fri, Sep 15, 2006 at 03:35:17PM +0000, Jorge La wrote:
> > ^yeah, "shred"
> >
> > so woun't that be fool proof against recovery? because the whole hdd
> would
> > be filled w/ 0s
> [snip]
>
> My understanding of this issue is that shred writes the zeroes many,
> many times.  I recall reading an article that explained that simply
> writing over data once is not sufficient because not all the bits of
> magnetic material get rearranged.  It is like writing a word on a
> sheet of paper and then erasing it lightly and writing another word
> over it.  There is often enough of the original word to see what it
> was.  In the case of a hard drive, writing the same data over and over
> will eventually rearrange all the bits and thus truly wipe the old data
> clean.
> --
> john-thomas
> ------
> Space isn't remote at all. It's only an hour's drive away if your car
> could go straight upwards.
> Fred Hoyle, Astronomer, mathematician, writer (1915- )
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