How do I lock my usb drives

Question I want to ask so I can make sure no one actually put any usbs in to infect my computer to infect it

I have Bios locked my device
I have a password to de-encrypt fedora
I just need to lock my usb drives does anyone know how? So no one can put key-loggers onto my device or what ever they have on the usb

lock privacy usb usb drives