The thing is that most of us format the USB drive or delete all the software on the USB drive before start using it.
Likewise, you can password protect Western Digital External Drives using WD Security Software. For instance, there is official software to safeguard SanDisk USB Flash Drives. Most of the USB flash drive manufacturers include their software to protect USB drives. There is much software around to lock the data on your USB drive with a password. If you also have data on USB or backup PC’s data to USB flash drives, you should use password protect your USB drives to protect your data if you ever lose your USB drives. Many of us even use USB flash drives to backup essential data.
A lot of us often carry crucial data on USB flash drives.