Malicious USB devices look like this: https://shop.hak5.org/collections/mischief-gadgets/products/o-mg-cable-usb-a https://shop.hak5.org/collections/mischief-ga

Malicious USB devices look like this: https://shop.hak5.org/collections/mischief-gadgets/products/o-mg-cable-usb-a https://shop.hak5.org/collections/mischief-gadgets/products/... Should people be cautious about unknown USB devices? Yes. Should they determine their level of caution based on being able to see a PCB? No.