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How can I permanently delete data from my computer so even Data Recovery would not retrieve it?


I recommend BCWipe, which lets you permanently wipe only the free space on your hard drive while leaving the non-deleted files intact by overwriting those deleted files with lots of random data so it can't be recovered.

While BCWipe is something you run periodically, there's also software to let you do this on the fly, essentially replacing the recycle bin with the equivalent of a paper shredder that wipes any file you delete for good. If you install one, tread with caution: Once you delete something, even by mistake, there's no going back. Simple File Shredder is a good (and free) choice to check out.

If you want to erase everything from your hard drive, I recommend Active@ KillDisk. This free utility conforms to US Department of Defense clearing and sanitizing standard DoD 5220.22-M.

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This entry was posted on Friday, May 29th, 2009 at 3:34 am and is filed under computer data recovery. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

7 Responses to “How can I permanently delete data from my computer so even Data Recovery would not retrieve it?”

  1. Samuel Adams on May 29th, 2009 at 8:40 am

    I recommend BCWipe, which lets you permanently wipe only the free space on your hard drive while leaving the non-deleted files intact by overwriting those deleted files with lots of random data so it can't be recovered.

    While BCWipe is something you run periodically, there's also software to let you do this on the fly, essentially replacing the recycle bin with the equivalent of a paper shredder that wipes any file you delete for good. If you install one, tread with caution: Once you delete something, even by mistake, there's no going back. Simple File Shredder is a good (and free) choice to check out.

    If you want to erase everything from your hard drive, I recommend Active@ KillDisk. This free utility conforms to US Department of Defense clearing and sanitizing standard DoD 5220.22-M.
    References :
    http://www.jetico.com/
    http://www.softpedia.com/get/Security/Secure-cleaning/Simple-File-Shredder.shtml
    http://www.killdisk.com/

  2. y did you look at something bad?
    References :

  3. Don't Call Me Peanut on May 29th, 2009 at 9:40 am

    destroy the harddrive

    OH COOL IS THAT RAVEN AS YOUR AVATAR?
    References :

  4. BCWipe
    References :

  5. Laissez-Faire Guy on May 29th, 2009 at 10:21 am

    Deleting a file is actually only deleting the pointer to where the data resides. The data remains until it is eventually written over.

    You need to use a utility that actually writes random data over the current data. Preferrably several times. There should be several free ones available for download. Often they are called shredders.
    References :

  6. http://www.heidi.ie/eraser/
    References :

  7. If you want to erase all data from the hard drive, try DBAN (http://dban.sourceforge.net/). For single files, use Eraser (http://www.heidi.ie/eraser/default.php).
    References :

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