Can I secure files/folders on a USB key

By casserced
Oct 11, 2010
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  1. I have files and folders I want to put on a USB key to give to someone.
    I want to make sure that these files and folders cannot be deleted (the files themselves are secured from editing etc...).
    Basically I guess I want the USB to work a bit like a read only disc.
    Is there a setting when I transfer files to key or a software.
    I do not want to have a password to view/open the files, just to prevent deletion.
  2. jobeard

    jobeard TS Ambassador Posts: 9,351   +622

    Than can be done with NTFS permissions - - I did that to mine.

    On your home PC, attach the device and make sure you have access to it.

    Then you need a setup like this
    your PC, using any LUA/UAC account TAKE OWNERSHIP and set Full control
    that should leav only that LUA/UAC account with permissions (ie even Administrator and Administrators groups do not show up.)
    Now add the EVERYONE id and set Read/Exec/Traverse​
    The results will be
    any pc to which it is attached will have access to the files (including the ability to COPY or Execute),
    but only your home PC-that specific LUA/UAC user will be able to modify the contents.

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