Secure erasing Info (fwd from richard at SCL.UTAH.EDU)
sunder
sunder at sunder.net
Mon May 2 12:26:18 PDT 2005
Yeah, but these days, I'd go with the largest flash drive I could
afford. USB2 or otherwise. I don't believe you can recover data from
these once you actually overwrite the bits (anyone out there know any
different?).
They're either 1 or 0, there's no extra ferrite molecules to the left or
the right of the track to pick up a signal from ;-) As always encrypt
the data you write to the device.
I wouldn't overwrite flash repeatedly (i.e. the Guttman method of 35
writes) though, there's a limit on the number of writes, after which it
goes bad. I'd overwrite it once with random data.
Eugen Leitl wrote:
>----- Forwarded message from Richard Glaser <richard at SCL.UTAH.EDU> -----
>
>From: Richard Glaser <richard at SCL.UTAH.EDU>
>Date: Wed, 27 Apr 2005 12:17:43 -0600
>To: MACENTERPRISE at LISTSERV.CUNY.EDU
>Subject: Secure erasing Info
>Reply-To: Mac OS X enterprise deployment project
><MACENTERPRISE at LISTSERV.CUNY.EDU>
>
>FYI:
>
>Rendering Drives Completely Unreadable Can be Difficult
>-------------------------------------------------------
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