Personally before disposing of old drives I get out the old Radio Shack bulk eraser. I take off my watch and then erase them twice (just for peace of mind).
Fred -----Original Message----- From: Action Request System discussion list(ARSList) [mailto:[EMAIL PROTECTED] On Behalf Of Axton Sent: Friday, April 28, 2006 7:56 AM To: [email protected] Subject: Re: DB Scrub I have used dd to overwrite entire drives with 0 before returning to hd companies in the past. Supposedly this overwrites every sector with 0. In the above scenario though, this would not have worked. Axton Grams On 4/28/06, McKenzie, James J C-E LCMC HQISEC/L3 <[EMAIL PROTECTED]> wrote: > > One more comment: > > There is no way to completely clean a hard drive of data that was > written to it. This has been proven with a court case where a pervert > was sent to jail after a special FBI agency was able to recover > evidence from a supposedly 'wiped' hard drive (yes, he used DESWIPE, > which had overwritten the drive seven times.) They explained that the > head drives something like a six-lane highway, but due to misalignment > of the drive's heads and the track it drives, there remains something > like a six inch to two feet overrun that the head never writes to > again. In this area is where they revovered the evidence. > > This is why the government requires removal of old hard drives (at > least where I work) before systems are handed over to non-government > entities, including the on-base school. > > James McKenzie > > -----Original Message----- > From: Action Request System discussion list(ARSList) > To: [email protected] > Sent: 4/27/2006 11:26 AM > Subject: Re: DB Scrub > > http://www.jetico.com/index.htm#/bcwipe.htm > This is the dod application for standard Fly in your Soup issue.. > You would still have to remove the data in question.. Remove all the > backups with that Fly.. > Then Wipe drive and restore older data.. > > But one thing is for sure.. If it is military stuff... Better follow > the Instruction or you might find yourself in Ft. Leavenworth.. > > Not the Visitors section either.. > > > Have fun. > > -----Original Message----- > From: Action Request System discussion list(ARSList) > [mailto:[EMAIL PROTECTED] On Behalf Of L. J. Head > Sent: Thursday, April 27, 2006 2:00 PM > To: [email protected] > Subject: Re: DB Scrub > > I am simply trying to generate a list of options with pro/con for each > to determine how much effort they are interested in going through to > eliminate data. But to the best of my knowledge in this type of a > situation a tape would be magnetically 'cleaned'...or in the case of > hard drives and such they do a series of 0 and 1 alternating writes to > all blank space to ensure that data cannot be read....thanks for the > response > > -----Original Message----- > From: Action Request System discussion list(ARSList) > [mailto:[EMAIL PROTECTED] On Behalf Of Axton > Sent: Thursday, April 27, 2006 11:51 AM > To: [email protected] > Subject: Re: DB Scrub > > If you are using Oracle, you can do a table reorganize. This > compresses the data and gives some level of certainty that the data on > the physical device is overwritten. > > What do other apps that fall under this umbrella do to clean data from > their databases? Also, how is the data removed from other storage > mediums (tape, replicated servers, etc)? > > Axton Grams > > On 4/27/06, L. J. Head <[EMAIL PROTECTED]> wrote: > > In the DOD arena there are times that data needs to 'disappear'. I > > was asked by a customer yesterday what options were available for > > scrubbing of data. I offered the ability to delete records in audit > > trails and the asked a question I had never even considered. Once > > Remedy issues the Delete command...and commits the transaction it is > > deleted out of the table...but what can be done to ensure the data > > is gone and not just having the pointer to the data removed. Those > > in government are familiar with the 'military wipe' type of cleaning > > utilities. We are running SQL Server 2000, are there DB commands > > that > > > I can run to perform an online compress or something like that? > > TYIA _______________________________________________________________________________ UNSUBSCRIBE or access ARSlist Archives at http://www.wwrug.org
