On Fri, 17 Dec 2004, Spehro Pefhany wrote:

> At 11:36 PM 12/16/2004 -0500, you wrote:
>> if you want to be DoD level 2 secure, there's a procedure to erase 
>> securely.
>> level 3 is sending drive through a chipper after level 2 erasure.  (look 
>> up
>> DoD secure wiping tool on google, or the DoD secure wipe spec's)
>> 
>> andrew
>
> Not having access to such a "chipper" (or to my preference, which would be
> a cement kiln), I just hang onto every hard drive forever. They all fit
> nicely into a small box. I have ones marked that are from other sources
> such that can be disposed of without worry or fear.

I don't think you need a cement kiln. If you have a small laboratory 
oven that can be taken to 900C for two hours it should work fine. The 
curie point of the magnetic coating is much lower than that afaik and 
the aluminium platters and alloy will be liquid at 700C. Bad fumes from 
the plastics though. Use a ceramic tray to dispose of the puddle of 
metal so formed. Warranty will be void ;-)

Peter
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