Also called a "USB condom," the device being charged is plugged into the data blocker, which passes through only the charging pins, thus preventing a rogue device from capturing data. See dongle.

If you don’t wish to use any USB devices or USB storage devices, you can block the USB ports on your computer. In Windows 11, you can use a graphical or command-line method to do that.

Use the O.MG malicious cable detector: This detector by O.MG claims to detect all malicious USB cables. ・Use data blockers: ...