Am Mittwoch, den 11.03.2009, 16:08 +0100 schrieb Goswin von Brederlow: > Paul Menzel <pm.debian@googlemail.com> writes: > > > Am Mittwoch, den 11.03.2009, 14:53 +0100 schrieb Goswin von Brederlow: > >> Paul Menzel <pm.debian@googlemail.com> writes: > >> > >> > Am Mittwoch, den 11.03.2009, 11:08 +0100 schrieb Goswin von Brederlow: > >> >> Matt Taggart <taggart@debian.org> writes: > >> >> > >> >> >> Well this assumption (to encrypt the disc afterward) is not necessarily > >> >> >> valid. A company is giving away computers to a school or for use for > >> >> >> children, where no encryption is needed. They require you to wipe the > >> >> >> drive. (Ok, they should do it themselves to be on the safe side of > >> >> >> things, but in reality things are different.) > >> >> > > >> >> > BTW something like "Dan's Boot and Nuke" is an option for this case too. > >> >> > But like I said in a previous mail it would be convenient if d-i could do > >> >> > this as I usually have d-i disks laying around :) > >> >> > >> >> Switch to the second console. > >> >> > >> >> cat </dev/null >/dev/sda > >> >> > >> >> Go get lunch. > >> > > >> > Well that is not sufficient. Doing this the date can still be > >> > reconstructed. > >> > >> There have been multiple challenges to data reconstructing firms to > >> actualy demonstrate they can reconstruct a disk after a single > >> overwrite. None of them have been answered ttbom. So your claim > >> remains theoretical. > > > > Interesting. Good to hear that, to be more sceptical towards the > > propaganda by the recovery companies. > > > > It would be interesting if you could post the link to this information. > > I think the last one was on slashdot last year. > > > Strangely that governments have those standards to erase discs several > > times. > > - Theoretically you can get information back after a single overwrite. > - There is a difference between possible and practical/affordable. > - The companies claim they can do it. > - Them not taking up the challenge does not proove they can't do > it. But it makes me wonder why NONE have tried to grab the publicity > winning such a challenge would bring. What a coincident. I just found this [1]. Thanks, Paul [1] http://sansforensics.wordpress.com/2009/01/15/overwriting-hard-drive-data/
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