Re: DoD Harddrive Secure Erase Wipe

Discussion in 'Storage' started by Cydrome Leader, Apr 18, 2008.

  1. Ryk Edelstein <> wrote:
    >
    > Felony?? That would be a stretch. Depending on the industry you are in,
    > it could violate specific laws, or industry dictated privacy
    > objectives, but not a felony.
    >
    > The DoD is no longer the Cognizant Security Authority (CSA) for the US
    > Government. This responsibility has been replaced by the National
    > Association of Science and Technology (NIST). For proper guidance in
    > data decommissioning reference their special publication 800-88.
    > Available for free as a PDF from their web site. Just Google 'NIST
    > 800-88' and you will find it. DoD 5220M is a retired spec, regardless
    > of what the data overwrite software and hardware vendors want you to
    > believe. Likewise, overwrite technologies that initiate the overwrite
    > proces using the drive data interface (an external process) can NOT
    > effectively remove all traces of user data, recoverable with laboratory
    > effort.
    >
    > Due to the nature of current hard drive storage technology, overwrite
    > technology is no longer considered an effective means to protect
    > sensitive data.
    >
    > Please don't just take my word for this, you can easily find academic
    > proof of this from the University of California's Center for Magnetic
    > Recording Research in their published works available on line, by
    > searching for papers by 'Matthew Geiger' at Carnegie Mellon, or in the
    > Government of Canada publication titled ' Clearing and declassifying
    > Electronic data storage devices', or the US DoD DSS Letter 'ISL
    > 2007-01'.
    >
    > If you want to purge data you have 2 choices, use a destructive
    > technology such as Degaussing, or use a non-destructive approach using
    > Secure Erase, which is already embedded in your hard drive as part of
    > the ATA spec. If you want to purge SCSI, your only choice is physical
    > destruction. Short of that, the only other choice is to clear data by
    > overwriting. Unlike ATA, when using overwrite technology to process
    > SCSI devices the external application has better ability to address all
    > writable sectors on a drive.
    >
    > If you are looking for best practice, and have a need to decommission
    > drives often, you might want to consider an appliance based solution
    > that offers a single point of destruction for all ATA, IDE, Laptop,
    > SATA, PATA, SCSI and Fiberchannel devices. If you search DeadOnDemand
    > you will find such an appliance that addresses these needs.


    It looks like a hokey appliance.

    You can't accidentally mixup shredded and unerased drives and have stuff
    slip though by accident, you can with whatever that device is.

    Lastly, what's the value on a old used drive in the first place? 12 cents?
     
    Cydrome Leader, Apr 18, 2008
    #1
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