That ought to do for normal I-don't-care-if-the-NSA-reads-my-data
destruction. Just out of curiousity, what's the Oersted rating of the
degausser?
For anyone who's interested in the problems associated with the
destruction magnetic media, there's a good article at:
www.cs.cornell.edu/people/clarkson/secdg/papers.sp06/secure_deletion.pdf
Also, only a few folks responded saying they had stuff to destroy, and had
mostly paper, so I think there isn't enough interest to actually make this
economically feasible, although if anybody has a big portable generator, I
must admit to wanting to see Dean's degausser.
Dave
On Tue, 4 Sep 2007, Dean Anderson wrote:
I have a high intensity degausser that is used to degauss aircraft
engine crankshafts, and such. These are magnetized in order to detect
microcracks with the magnaflux process. I also still have the magnaflux
machine, but its too big and too dangerous to fool with. The magnaflux
also isn't portable, and requires a lot of 12volt high current
batteries--24 I think.
But the degausser is about 2ft by 3ft, runs on 240v and requires about
30 amps (we had it in a 200 amp box, but it still dimmed the lights)
What goes though the coil loop will have no discernable magnetic field
afterwards.... I always thought of the movie "the philadelphia
experiment" every time we used it.
Might work on a portable 7500watt generator... If someone has one of
those, fun could be had by all. ;-)
--Dean
On Thu, 30 Aug 2007, David Allan wrote:
Since we don't have a speaker for September, and I don't have anybody to
suggest, I was thinking about other ideas for a meeting. One thought that
occurred to me is that I have a big box of magnetic media that I need to
have destroyed, including most problematically 10 or 15 old hard disks
some of which don't even spin up any more.
While I appreciate the hack value of
http://driveslag.eecue.com/articles/index.php?artid=1
I don't really have the time or space to use that solution.
More practically, if a few folks would be interested in having a mobile
data destruction company come somewhere in the MIT area, I'll look into
who's available and what it would cost.
If you would be interested, i.e, you also have a bunch of media you'd like
to destroy, please drop me an email. It doesn't matter if it's personal
or corporate media, just let me know how much stuff you have and what it
is (floppies, hard drives, CDROMs, tapes, even paper records, etc. ) so I
can get a sense of pricing to report back. I'm going to look for someone
who will do physical destruction of the media while we witness it.
Just to make clear, responding doesn't commit you to anything, I'm just
trying to get a sense of whether there's enough interest that I should
even take the time to look for a company.
Dave
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