From owner-freebsd-questions@FreeBSD.ORG Fri Jan 21 13:57:14 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6EA8916A4CE for ; Fri, 21 Jan 2005 13:57:14 +0000 (GMT) Received: from jupiter.picknowl.com.au (jupiter.picknowl.com.au [203.87.94.38]) by mx1.FreeBSD.org (Postfix) with ESMTP id D841743D46 for ; Fri, 21 Jan 2005 13:57:13 +0000 (GMT) (envelope-from imoore@picknowl.com.au) Received: from daemon.foo.lan (adsl-176-70.swiftdsl.com.au [218.214.176.70]) by jupiter.picknowl.com.au (Postfix) with ESMTP id 839449777D; Sat, 22 Jan 2005 00:27:12 +1030 (CST) From: Ian Moore To: freebsd-questions@freebsd.org Date: Sat, 22 Jan 2005 00:27:04 +1030 User-Agent: KMail/1.7.2 References: <200501200929.j0K9TXbl022106@mp.cs.niu.edu> <20050120151005.GA99300@gravitas.thebunker.net> <1792034180.20050120161719@wanadoo.fr> In-Reply-To: <1792034180.20050120161719@wanadoo.fr> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1419206.YUDU7ZaCXd"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200501220027.11740.imoore@picknowl.com.au> cc: Anthony Atkielski Subject: Re: FreeBSD I LOVE YOU X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Jan 2005 13:57:14 -0000 --nextPart1419206.YUDU7ZaCXd Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Fri, 21 Jan 2005 01:47, Anthony Atkielski wrote: > Matthew Seaman writes: > > MS> If your drive contains or once contained military secrets, then in the > MS> USA and probably anywhere in the West, standard disposal procedure is > MS> that the drive be completely overwritten with specific patterns of > MS> random data several times, and then taken to a secure facility where > MS> the whole thing is literally stamped flat and chewed into small lumps > MS> of scrap. > > Assuming one doesn't have the resources to do this, what might one do to > secure disk drives before disposal. I've thought of opening them up and > scratching the platters or chopping them into pieces (not sure how hard > this might be to do), or something. Home incineration isn't very > practical, nor are machines that can chop metallic platters into > confetti. > > Also, is there anything like a bulk degausser for disk platters (after > removal from the drives)? Come to think of it, I can't remember the > last time I saw a tape degausser, and I still am not quite sure what to > do with old backup tapes that are unreadable but still filled with > backup data. I open up my old backup tapes & use a cutting blade to cut through the tape= =20 spool in a couple of places, to you end up with hundreds of pieces of tape,= =20 no more than a couple of centimetres long. Then I generally throw them in a= =20 couple of different bins. Tape de-gaussers usually aren't much good - they were mostly made for erasi= ng=20 open reel tape that used ferric oxide particles. Backup tapes normally use metal particle tapes that need a much stronger=20 magnetic field to effectively erase them. Cheers,=20 =2D-=20 Ian GPG Key: http://homepages.picknowl.com.au/imoore/imoore.asc --nextPart1419206.YUDU7ZaCXd Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQBB8Qo3fITqkXhImmIRAnsNAJ47Y5UnVPYGm4s0kYB4fxvBdhoiJQCgzEQD J3y/ZpvB6OmFJ17b6GfGOxM= =n04J -----END PGP SIGNATURE----- --nextPart1419206.YUDU7ZaCXd--