USB hacking has been covered in the media a number of times in the past. Thanks to dongles like the UsbSafe², you can keep your USB devices protected from excessive current and unauthorized data access. UsbSafe² has an anti-juice jacking mode, so you can use your USB devices with more confidence.
The device has a power protection mode, allowing you to control the power going into your device. UsbSafe² features over-voltage and 5 current protection levels. More info is available here.