Juice Jacking
Juice jacking is when hackers install malicious code or cables in public USB chargers at places like malls, hotels, and airports to read and steal data from mobile devices and even track them. It’s become such a problem that the FBI just warned to “avoid using free charging stations in airports, hotels, or shopping centers.”
Ways to prevent iPhone juice jacking:
Beyond the built-in security and staying aware, there are two super-easy ways to fully prevent juice jacking. If you need to charge in a public space:
Use your own power adapter, charging cable, and a standard wall outlet
Use a portable battery or battery case