Re: [ISN] Pentagon Reverses Order to Destroy Old Hard Drives

From: Robert G. Ferrell (rootat_private)
Date: Thu Jun 14 2001 - 10:09:01 PDT

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    >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 
    Of course, this isn't exactly an economical procedure...
    Robert G. Ferrell, CISSP
    Information Systems Security Officer
    National Business Center
    U. S. Dept. of the Interior
     Who goeth without humor goeth unarmed.
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