On Jan 31, 2008, at 3:48 AM, SUBSCRIBE IBM-MAIN Niall wrote:
How about encrypting the volume in its entirety before deletion?
I've been through the DR/deletion exercise a few times, and used an
in-house
utility to overwrite the disk. If available, however, would
encryption not
be a possible solution in that even if a shadow of the data were
left, it
should at least be in a format that is not readable?
I ask because some sites may already have invested in an encryption
tool,
and it might be an imaginative use of an existing asset.
I vaguely remember a story here I cannot remember where I heard it
(it may be an urban legend).
*SUPPOSEDLY* the CIA (NSA??) was able to read a disk even after data
has been written on it, even after 10 or 11 times.
I have heard this but where? I do *NOT* know if this is true or not.
Ed
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