On 4 Feb 2008 10:15:04 -0800, [EMAIL PROTECTED] (Mike Baldwin) wrote:

>>*SUPPOSEDLY* the CIA (NSA??) was able to read a disk even after data
>>has been written on it, even after 10 or 11 times.
>
>Hi Ed,
>
>I thought it interesting that you mentioned 11 times.
>
>In a customer security standard document (that I cannot quote), that refers 
>to U.S. DoD standards, when overwriting at least 12 times is recommended.  
>One might infer that 11 times is considered insufficient.  It doesn't give the 
>reason.

I suspect that for this kind of security, overkill is standard.   If
5-6 times seems iffy, be safe and double this value.

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