Chosen Solution
Some co.s disable the USB ports on their computers in the BIOS for security reasons. But USB ports serve a lot of different purposes. Could a device driver be written for the ports that would disable only the storage drive function? Plug in a mouse and it works. Plug in a flash drive and it doesn’t.
If you are running Windows and have an AD domain, then you can do it via policy (see below) This is not specific for USB drives. It applies to SD cards as well as CD-drives and many more. You have many options to choose from.