>I
>suspect but do not know for sure that the same kind of techniques that
>were used on the mag tapes (something like a very high-resolution and
>oversampled read of the magnetic domains that was then used to reconstruct
>the contribution of each previous write up to whatever the resolution
>permitted) could be used on disks....
>So do your overwrites a bunch of times, compadres.
Hey, with techniques like Scanning Tunnel Electron Microscopy, you can
come close to reconstructing the entire write history of a magnetic
disk.
Of course, this isn't exactly an economical procedure...
Cheers,
RGF
Robert G. Ferrell, CISSP
Information Systems Security Officer
National Business Center
U. S. Dept. of the Interior
Robert_G_Ferrell@nbc.gov
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Received on Fri Jun 15 02:03 CDT 2001