[ale] Need an iso to wipe hard drives.

[Jim Kinney]

sounds like the wipe tool on that Mac was crap and just did a delete. Drive
recovery is $$$$$$$$$!!!!
The last one I ran for a client was $1/MB.

On Fri, Apr 16, 2010 at 12:24 PM, scott boss <scott at sboss.net> wrote:

> A friend of mines wife wiped her mac laptop HD.  Not the govt 35pass
> but a single pass wipe.  He sent it off to one of those disk recovery
> companies and he got 99% of the disk back and the HD was much larger
> than 20g.  She had over 20g of photos alone.
>
> Ymwv!!
>
> Sent from my mobile...
>
> On Apr 16, 2010, at 12:04, Brian Pitts <brian at polibyte.com> wrote:
>
> > On 04/16/2010 11:31 AM, Greg Freemyer wrote:
> >>
> >> NIST has a sanitation paper that says disk drives of 20GB or larger
> >> capacity are not recoverable even via laboratory means after a single
> >> wipe with zero's.
> >>
> >> So your just wasting cpu cycles using /dev/urandom.  Just use
> >> /dev/zero.  And just do it once.
> >
> > The link you shared to a discussion of that paper a while back is
> > dead.
> > Do you know of any more sources? I'd really like to have something to
> > wave at the "you must wipe it 27 times" people.
> >
> >> Also, ext2/3 reserves x% of the drive for root, so if your doing the
> >> above as a normal user, your missing that x%.  I think x% is 5%,
> >> but I
> >> don't recall for sure.  And 5% of 1TB is 50GB, so it is a big deal.
> >
> > At Free IT Athens, we run sfill and sswap from the secure-delete suite
> > of tools as a post-install action to securely erase all unused space
> > on
> > a system being refurbished. sfill sipes the disk space and inode
> > space,
> > and sswap takes care of the swap partition.
> >
> > --
> > All the best,
> > Brian Pitts
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-- 
-- 
James P. Kinney III
Actively in pursuit of Life, Liberty and Happiness
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