Re: dod wipe

Hattori Hanzo wrote:
On Thu, 03 Apr 2008 17:46:51 -0400, Blattus Slafaly ‰ ? ? ?
<boobooililililil@xxxxxxxxxxxxxx> wrote:

marksouth wrote:
On Thu, 03 Apr 2008 10:33:31 -0500, Chris Cox wrote:

fname wrote:
Looking for a tool to wipe disks fast.
Don't you wish you'd done your homework challenge before the weekend?

Uh... no such tool. If the data is VERY sensitive, physical destruction
of the media is recommended. Anything else that can do it "fast" will
likely end up doing enough damage that you might as well be sure and go
all the way.
Physical destruction can simply result in pieces which an enemy could piece together again.

To be really sure about magnetic media, they need to be heated to slightly above their Curie point for a few minutes. The necessary ovens are not easy to come by.

Alternatively, you can go the slow route and make 5 passes over the data
writing randomly.
The experts (eg, Darik) recommend at least 17 passes to make decently sure.
You could technically double the magnetic head voltage for a 2 pass wipe and effectively destroy all previous data. That's IF you could do that.


Radial, deep scratches placed on both sides of each platter would
pretty much guarantee that no data will get recovered. This, of course,
would be after wiping apps passed over the platters a few times.

Shredders also work pretty sell. I am not referring to office
appliance paper shredders.
Torch em to a molten puddle, with armed Marines watching worked pretty well for us.

Jack
.

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