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General Chat Thread, Safest way to securely dispose of hard drives? in General; Just wondering what is the safest way to dispose of hard drives to ensure no data can be recovered from ...
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    Safest way to securely dispose of hard drives?

    Just wondering what is the safest way to dispose of hard drives to ensure no data can be recovered from them. Just got rid of my old man's computer for him and took it down the local recycle station, but I've removed the HDD's to prevent data theft.

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    sparkeh's Avatar
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    This:

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    PICNIC (26th April 2012), Rawns (26th April 2012)

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    For my last few personal ones ive got rid of, i opened them up, removed the disks and just smashed em. Dont do it with your hands tho... they break skin really rather easy... xD

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    Rawns (26th April 2012)

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    Kill it with fire.

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    PICNIC (26th April 2012), Pyroman (26th April 2012), Rawns (26th April 2012)

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    Wahoo! An excuse to go smashy smashy!

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    I had fun with an angle-grinder and half a dozen HDDs last week. Gloves and goggles a must. Wish I'd filmed it as the sparks were very pretty!
    Last edited by tech_guy; 26th April 2012 at 10:27 AM.

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    How about this:

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    i'd be inclined to put a hard drive in my gas forge when it's up to welding heat (1300C), that could be fun

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    DBAN, overwrites your disk with junk: Darik's Boot And Nuke | Hard Drive Disk Wipe and Data Clearing. Can take a while, but is easy (and free).

    If you can't get the disk into a PC to do this, you can physically destroy the disks - I think some round here recommend drilling into the case and into the platters, though I've personally never tried this (mainly as I know I'd drill into my own leg in the process).

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    Big hammer, plus strong screwdriver as a punch. For laptop HDDs, just a hammer will do fine - most if not all have glass platters!

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    I've never liked destroying disks, it seems very wasteful.

    A software wipe will do the trick - make sure it's a proper tool like the above-mentioned DBAN. A single pass will be sufficient.

    Keep them as spares; you never know when they'll be handy. I had a panic with a failing disk on a latop and was able to copy most of it to a spare disk set up in a USB recovery rig. Very handy.
    Last edited by jinnantonnixx; 26th April 2012 at 10:52 AM.

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    Biggest drill bit you can find and just whizz through the platters

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    Abe
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    Quote Originally Posted by theriver View Post
    DBAN, overwrites your disk with junk: Darik's Boot And Nuke | Hard Drive Disk Wipe and Data Clearing. Can take a while, but is easy (and free).
    +1 for DBAN. I'm in the process of wiping a number of old servers' SCSI raid arrays at the moment. We either PXE boot into DBAN or boot from a CD-ROM, then use the default DoD Short setting (3 passes of random data).

    For the Dell PERC RAID controllers we've been dealing with recently the best approach appears to be to break the array and configure one array for each disk so that they appear as separate disks in the BIOS. DBAN can then wipe them in parallel.

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    jinnantonnixx's Avatar
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    Quote Originally Posted by Abe View Post
    ... use the default DoD Short setting (3 passes of random data).
    One pass should be enough.
    Disk Wiping - One Pass is Enough | Anti-Forensics

    "The Great Zero Challenge" was never accepted by any data recovery company. A disk was single-pass wiped with zeros and a prize was offered to anyone who could recover anything from the disk. Although it was a bit of a gimmick, nobody tried to do it.
    Last edited by jinnantonnixx; 26th April 2012 at 11:14 AM.

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    We used to use a company called Vogon that recover data. When asked about wiping hard disks, they had this reply:
    How valuable is the data?
    Is it worth mor ethen the hard disk?
    If not then whats the problem?
    If yes then physically destroy the thing. We make our money retreiving 'wiped data'
    So there you have it. If you data could be worth mor ethen the cost of a hard disk, then destroy it (they reccomend a furnace).
    If not then whats the problem?
    alan



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