Is there a way to track a user copying data from a USB drive? For example, Computer A has a connected USB drive, the user turns off Computer A, connect the USB drive to Computer B to copy data, and return USB to Computer A. How can we prove data was

Right now it looks like the user is just copying data from Computer A to the USB drive. However, I think the the user is copying data to a non-company computer and returning the USB drive. How can we prove data was copied from the USB drive to another computer? Thanks.

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