Security Basics mailing list archives

RE: Hard Drive data security


From: "xyberpix" <xyberpix () xyberpix com>
Date: Tue, 5 Oct 2004 13:46:30 +0100 (BST)

Whoops! My error, yep Kristjan is right.

xyberpix

On Tue, 5 October, 2004 9:51 am, Kristján Hreinn Bergsson said:
Don't you mean:

dd if=/dev/null of=/dev/hda



Kristján

-----Original Message-----
From: xyberpix [mailto:xyberpix () xyberpix com]
Sent: 4. október 2004 09:06
To: Paul Kurczaba
Cc: Security Basics[List]
Subject: Re: Hard Drive data security


In the past I have always used dd on this one, you will need access to
Linux, or a bootable linux distro, any of them will do, knoppix, phlak,
mini-slack, etc.
Then run:

dd if=/dev/hda of=/dev/null

check the syntax by using man dd as I may have it backwards, but it'll
wipe it for you. I've known a couple of SysAd's who've done this by
accident on a live system in the past, and it wipes everything really
well.

xyberpix


On Tue, 2004-09-28 at 17:11, Paul Kurczaba wrote:
Hi,
   I have a question about hard drive data security. The hard drive on
my notebook is failing and Dell is going to replace it. They are
going to take the old one with them. How can I securely remove the
data from the hard drive?

Thanks,
Paul
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