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Airport are usually the only place to you’ve got to charge up a 1% battery in between flights, but as tempting as USB ports near your gate can be, they pose a big security risk to your privacy. In the video above I explain the risks and why your should treat public USB ports like public wifi networks. USB ports can transfer data as well as power, the former potentially exposing your phone to malware. A tool like the PortaPow, which blocks those data connections should be considered essential gear every time you plugin at airports, cafes, or any public USB port.

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