David Honig writes:
>You want to overwrite a dozen times with random (each time) data.
I'd be cautious about saying that. Way back when I held a security
clearance, the instructions were:
* Overwrite with patterns 99 times for SECRET materials; and
* Overwrite with patterns 999 times for TOP SECRET materials.
As the forensic technology has undoubtedly improved in the past 20 years, I
strongly doubt that "a dozen times" would be anywhere close to obscuring all
evidence of the data. You're much better off physically destroying the disk
by melting it or somesuch.
If you don't have the option of physically destroying the disk, writing
random data for a few hours ought to get you on the way towards making your
original data unrecoverable. (Note that I said "on the way"!)
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Mark Leighton Fisher [EMAIL PROTECTED]
Thomson Consumer Electronics Indianapolis IN
"Display some adaptability." -- Doug Shaftoe, _Cryptonomicon_
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