On Thu, 3 Jan 2008 11:55:16 -0800 (PST), "new_guy" <[EMAIL PROTECTED]> said: > Marco Peereboom wrote: > > > > bullshit. > > > > I decided to put my money where my mouth is :) > > I bought a 80GB, Western Digital IDE hard drive. $60 USD. Attached it to > a > Windows XP laptop (usb-ide bridge), initialized it, created one (1) > primary > partition, formatted it NTFS and copied an older subversion repository to > it. I documented and screen-shot the entire process. > > I then booted the laptop with an OpenBSD 4.2 install CD and selected the > 's' > option and ran dd like this on the hard drive: > > dd if=/dev/zero of=/dev/rsd0c > > I called three (3) well-known data recovery companies. Two of them said > recovery was not possible after the dd procedure, one of them said they'd > be > willing to try so long as no other data recovery company had opened the > HDD > case and offered to do a free analysis in one of their ISO certified > labs. > I'm sending the drive off tomorrow, I'll let you know in a few weeks how > it > turns out.
It can't be done. it's an urban legend, AFAICT. http://www.nber.org/sys-admin/overwritten-data-guttman.html Which references Gutmann's paper which started all this...