Travelers are advised to avoid using public USB power charging stations in airports, hotels, and other locations because they may contain dangerous malware, the Los Angeles District Attorney said in a security alert published last week.
USB connections were designed to work as both data and power transfer mediums, with no strict barrier between the two. As smartphones became more popular in the past decade, security researchers figured out they could abuse USB connections that a user might think was only transferring electrical power to hide and deliver secret data payloads.
This type of attack received its own name, as “juice jacking.”
ZDNet has covered the story here: https://www.zdnet.com/