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Jim Liddle

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Creating a secure USB Drive for a Mac

Everyone looses USB Drives….all the time……so it makes sense to ensure that any data you have on the drive cannot be accessed.  The cheaper USB Drives do not have encryption built in but here is a nice way you can achieve this on a Mac:

1. Fire Up Disk Utility and create a new Blank disk image. Make sure it is of a size that will fit on your flash drive.

2. Ensure you choose encyryption when you create the image. You can choose 128 or 256 bit encyrption.

3. Drag the resultant DMG file to your flash drive.

Opening this disk image will now ask you for a password before it can be mounted. You can drag files to and from it as needed and when you unmount the volume everything is locked up tight again !

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More Stories By Jim Liddle

Jim is CEO of Storage Made Easy. Jim is a regular blogger at since 2004, covering mobile, Grid, and Cloud Computing Topics.