Review on Enhanced PortaPow USB Data Blocker (Red 2 Pack) - Safeguard against Juice Jacking by Jeff Prabhu

The obvious problem is that when you plug the charging cable into a handy 5V socket your data is connected to the socket. USB cables have both power and data architecture. You need power, but you open your device to any software that wants to download information about your device and send it somewhere. According to security experts, this is an active hack that occurs in many airports and transportation stations around the world. If the system isn't hacked, people in the next row can connect their laptops to this unmanaged network to hack other people. Waiting for the plane. These USB ports don't have wires connecting data lines, they just carry power. The red color helps me remember them and make sure they're appropriate. Otherwise, you'll need to unplug the square power cord and find an outlet to charge your device. It's not a bad idea, but these data blockers make removing the charger less necessary.