----- Original Message ----- From: "Fred Cisin" <ci...@xenosoft.com> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk@classiccmp.org> Sent: Thursday, January 07, 2016 1:58 PM Subject: Re: Floppy recovery
>>> I've heard that there are "standards" for a number of overwrites, and >>> what patterns to use, . . . > > On Thu, 7 Jan 2016, Chuck Guzis wrote: >> The paper that got the most notice was from Peter Gutmann from the early 90s. >> https://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html > > Thank you! > > That answers most of our ignorant questions. > > > I wonder what the cost is to do those techniques. > Well, if you don't have access to thermite or even a large sledgehammer then this recommendation of his might be a cost-effective solution: http://www.diskstroyer.com/Home.html Even if you do have that sledgehammer this might be useful as a preprocessing step before final treatment with the aforementioned hammer. I'm fortunate in already having some of the tools in this kit and some experience in their use and I can highly recommend this technique, not only for data destruction but also for relaxation and a source of various unique parts. I wonder how many of those clocks made from HD platters contain sensitive information; definitely something else to worry about... ;-)
