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How much wiping do you do? :)
From: cybereagle at gmail.com (Matt Hillman)
Date: Thu, 16 Apr 2009 09:39:58 +0100

I'm no expert in this by any means, but as I understand it the Gutmann
method is not relevant to modern disks. I don't have any links to hand but I
remember reading something about how it was designed to take advantage of
specific design points of older drives which just aren't relevant today.

As to how many passes I use, it really depends on two things: how paranoid I
am about said data and how impatient I am at that moment ;) From what little
I do know of disk forensics I'd believe the story that one pass is probably
enough these days, but if I have a small file, I can hardly tell the
difference in time between 1 pass and DoD standard, so I just leave it at
the extra paranoid setting by default. But then if I have something huge, or
a whole disk, I might make do with one pass for speed, knowing that its
probably just as good.

I only use 1 pass on SSD because as far as I know thats as good as it gets
(I *think* i learnt that from Scott Moulton at shmoocon..) , plus it reduces
those pesky write cycles.


On Thu, Apr 16, 2009 at 4:06 AM, Jason Caval <mrfrogac at gmail.com> wrote:

This may or may not be relevant but it makes for a good read
http://en.wikipedia.org/wiki/Gutmann_method

and this little device may be useful in a corporate setting if
information security is a priority
http://blogs.techrepublic.com.com/tech-news/?p=1554
--
Jason Caval
University of Advancing Technology
2625 W. Baseline Rd.
Tempe, AZ 85823
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