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Wiping Free Space?

Discussion in 'Windows XP' started by daxrod, Nov 12, 2009.

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  1. daxrod

    daxrod Thread Starter

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    What exactly does wiping free space do? I use CCleaner's version of it. I was wondering if there's any way to effectively "clean" my computer to the point that not even forensic methods can retrieve information. Thank you.
     
  2. ekim68

    ekim68

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    What is your OS?
     
  3. JohnWill

    JohnWill Retired Moderator

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    An 8 pound hammer and the hard disk on a hard surface like a concrete sidewalk. Works every time. ;)
     
  4. daxrod

    daxrod Thread Starter

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    My OS is XP Professional
     
  5. SUEOHIO

    SUEOHIO

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    do u want to clean your computer because u are getting rid of it or clean it because its got a lot of junk in it and its running slow? if u are getting rid of it there is programs that will wipe the drive and everything will be gone. or yes u can take a hammer and smash the drive to pieces. lol!!!!! hope this helps u.
     
  6. Phantom010

    Phantom010 Trusted Advisor

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    Are you looking to clear up free space only or wipe your whole hard drive clean as a whistle?

    If you're looking for the second option, try Darik's Boot and Nuke.
     
  7. NICK G

    NICK G Banned

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    I've used ERASER successfully. It will wipe free space
    of deleted files that haven't been written over. I really don't know how well this procedure
    would hold up against a real deep forensic data recovery tool as use by FBI and such,
    but it should be OK for most recovery methods.
    Good luck.:)
     
  8. Lance1

    Lance1

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    Write "0"' to the drive using the hard drive manufactures app.
     
  9. midders

    midders Account Closed

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    Not sure that this will work, unless the mfr's app translates 0 into multiple random writes, or physically destroys the drive.

    Forensic data recovery tools generally rely on the principal that magnetic surfaces have a 'memory'. If you write zeroes over any given data, then the bits which were ones will be slightly less zero than the bits that were zeroes. Using this technique it is possible to recover several generations of overwritten data, but it is time-consuming and hence expensive.

    There are various security standards out there for the secure deletion of critical data. Generally, a combination of writing random data, writing all ones, and writing all zeroes, each multiple times will securely erase data. The only way to be 100% sure is to shred you hard drive; I worked at a DOD site where the HDDs were fitted with explosive bolts in case of security breaches.

    Slainte

    midders
     
  10. SUEOHIO

    SUEOHIO

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    i found a free program called harddrive eraser.it did a fantastic job.there is also a program call kildisk. ill warn u killdisk if not used right will destroy a drive to make it virtually unusable.if thats your goal to destroy then killdisk will do it.hope this helps u.
     
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