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Recover files in order to permanently delete

Discussion in 'General Security' started by ybor10000, Nov 24, 2019.

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  1. ybor10000

    ybor10000 Thread Starter

    Sep 10, 2005
    Thank you in advance for your assistance!!
    I deleted files using the normal right-click "delete". But I realized I had personal information in the deleted files. I used Mini Tool Power Recovery software and recovered the files to another drive. What is the procedure to copy the files to the original drive and permanently delete them using another utility such as "Eraser" or "File Shredder"?

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  2. managed

    managed Trusted Advisor Spam Fighter

    May 24, 2003
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    I don't think that will work as you think, the copies will be stored on a different part of the drive so the original files will most likely still be there unless overwritten by chance.

    Is not simply deleting the files enough ?
  3. britekguy


    Oct 25, 2019
    Deleting a file does nothing except mark the blocks used for same on disk as available for reuse. The data stays in place until something else ends up being given one or more of the blocks used by that file for reuse. This is why undelete utilities and file recovery utilities can work. They scan the disk hunting for blocks that denote the start of a file and then follow the block chain that still remains, though each of the blocks is marked as available for use by something else. If they can reach the last block, which is also denoted as such, they can reconstruct the file.

    One can always use a drive wiper utility such as the one under CCleaner or BleachBit to wipe free space, and I emphasize free space, to scramble the data that still resides there such that it cannot be used to reconstruct file contents. This is something that one should always do if you intend to give a computer away to anyone else, as it ensures that any data lingering in free space gets wiped so that no one can run file recovery software to get the data back.
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