Re: Physically destroying hard drive data
- From: Arno Wagner <me@xxxxxxxxxxx>
- Date: 16 Jul 2005 11:13:17 GMT
Previously control_z@xxxxxxxxxxx wrote:
> I have a bunch of old obsolete hard drives with somewhat sensitive
> information on them I want to physically destroy and put in the
> landfill.
> Would shooting a couple .30 cal bullets through the hard drives
> (being sure to penetrate the platters rather than just the outside
> edges) prevent black hat hackers from recovering the data? I'd imagine
> some 3-letter government agency could recover some of the data by
> working on the holy platters, but I'm not worried about that, just
> about CC numbers and stuff.
Far easier: Open the HDD, remove the platters and just bend them.
That makes it already extremely expensive and maybe impossible
for most practical purposes to recover anything.
If you are worried enough you can also blowtorch the platters, which
makes recovery completely impossible (in the physically strong sense),
since above a certain temperature the magnetisation is completely and
irretrivably lost.
Not opening the disk is risky, since you actually may fail to damage
all platters, even with the .30 bullets.
Arno
.
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