How much wiping do you do? :)

[gbugbear at gmail.com (Tim Mugherini)]

So out of curiosity, Degaus of tape media - will that render the tape
useless also?

On Fri, Apr 17, 2009 at 9:32 AM, Chris Merkel <cmerkel at gmail.com> wrote:

> > In my world, disks with sensitive data are either zapped in a degausser
> > or dropped into a shredder.  The customer doesn't allow overwriting of
> > any kind.
> >
> > Unclass drives are just overwritten since there's really nothing on them
> > that is worth the national lab type of attack necessary to get any
> > residual bits off them.
>
> Just for the sake of everyone on-list, it may be worth noting two
> things about degaussing:
>
> 1. A strong magnet or a bulk tape eraser won't cut it for hard drives.
> You're using a special-purpose degausser, probably a Garner model?
>
> 2. Degaussing also erases the control track information, which means
> that you can't reuse the drive. It's like shredding without the sharp
> edges.
>
> - Chris Merkel
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