Once information on a digital media has been overwritten, it cannot be
recreated/restored in any lab. All this talk about electron microscopes
and overwriting in multiple passes is just a load of crap derived from
an old DoD standard. It has no practical meaning. One overwrite is
enough. Please let
> That is not the case. On magnetic drives, the field can spread beyond
> the region
> written to by the drive heads, and can be read by a suitably equipped
> lab. Reports
> on how effective this is and what methods can be used to destroy the
data vary,
> but it's safe (or rather, it's necessary)
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