If I remember correctly, the magic number of over-writes is 6. Less
than this many overwrites leaves the data subject to recovery.
I haven't done it (I don't have the equipment), but the US Federal spec
for declassifying a drive requires you to do this number of random
writes before you can say that the drive is 'declassified'... Of
course, if you are truly trying to declassify a drive, the best way is
with a 16# sledge...
Regards,
Gregory Hicks
> From: dreamwvr <[EMAIL PROTECTED]>
> Date: Fri, 14 Apr 2000 16:55:50 -0600
>
> hi,
>
> not sure if one can recover data that has been low level scrubbed too
> many times but.. i did read a article while on business on the East
> Coast and then a lay over in Toronto where a Toronto co has invented a
> process to recover low level formatted data from disk. The process was
> using the remanent magnetic signatures.. thing is if he encrypted and
> scrubed that way i am not sure this would work.. of flooded the disk
> with all nulls and then encrypted and then attempted magneto read..
> then scrubed and continued.. then randomized writes then scrubbed with
> nulls and so on and so on .. but 'seriously' doubt that process the
> person you are talking about did. if so not sure that this would help..
> but it might. it was in the Toronto main newspapers computer section
> in the last few months.. sorry but seem to not remember anymore
> specific days when in a specific city on the road. oh well seems the
> memory here has cleared itself as well. so if you uncover a means to
> remember data in the braincells that you only thought you forgot ..
> please let me know;-))
>
> Regards,
> [EMAIL PROTECTED]
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