[Wolves] data removal procedures advice

[s parkes]

>From: Ron Wellsted <ron@wellsted.org.uk>
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>Subject: Re: [Wolves] data removal procedures advice
>Date: Tue, 1 Apr 2003 20:58:09 +0100
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>On Monday 31 Mar 2003 2:25 pm, Jono Bacon wrote:
> > --- Steve <info@a2rt.org> wrote:
> > > hello all
> > >
> > > We have a possible donation of kit arranged, and the
> > > person concerned wants to know about
> > > procedures for removing data, and whether they get a
> > > certificate for this.
> > >
> > > I would like to give them a post-it note with 'fdisk
> > > /dev/hda' written on it, but i think that
> > > more may be required. hmmm.Will we need to use
> > > something other than the standard partition
> > > tools?
> >
> > It seems to me that it should be just a
> > straightforward format of the current partitions; be
> > they Linux/Windows or whatever. A format will remove
> > *all* data. (just waiting for some smartarse to prove
> > me wrong and tell me that format will actually leave
> > your important credit card numbers on your PC for
> > theives).
> >
> >   Jono
>
>fdisk/cfdisk etc. only remove the partition table, leaving all the original
>filesystem/files intact. Tools exist that can rebuild the partition table 
>by
>finding superblock/FAT/MFT and deducing the orignal partion layout.
>
>A format will erase the filesystem but leave the orignal file data intact 
>but
>not directly accessible.  Some tools exist which can recover a (large)
>percentage of the data.
>
>So the best way to destory data would be to overwrite the entire disk with 
>a
>pattern of "data" which would prevent data recovery.
>
>Try "yes UUUUUUUU > /dev/hda"  (bonus point for why I suggested using U)


1010101?

sparkes

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