what about dd if=/dev/random of=/dev/hdX ?
Martin Dickopp wrote:
Jon Dowland <[EMAIL PROTECTED]> writes:
On Sun, 18 Jul 2004 16:10:39 -0600, Doug Holland <[EMAIL PROTECTED]> wrote:
On Sunday 18 July 2004 11:52 am, Frank Gevaerts wrote:
On Sun, Jul 18, 2004 at 01:02:17PM -0400, H. S. wrote:
I am in a situation where a computer is to be given away and prior to that it's hard disk needs to *thoroughly* cleaned (data consists of financial information, reports, class exams, competition exams, etc).
Try http://dban.sourceforge.net/
I second this suggestion. DBAN (short for Darik's Boot n' Nuke will wipe your hard disk to the point where only the NSA has any hope of recovering data.
I read an interesting article about data recovery and the approaches that can be used. Specialist places have ultra-fine read heads that can catch ghost images towards the edge of tracks; which your head may have missed. I think this is only the tip of the iceberg.
Without scaremongering, if the information you want to remove is of such a critical nature that it must never be recovered no matter what cost; you would have to destroy the drive.
If your opponents are able and willing to spend an /infinite/ amount of money to get at the data on the disk, it must be assumed that they already have it. They have likely already used various spying techniques.
Martin
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