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--- travelling [2019/08/03 19:34] – neil
+++ travelling [2019/08/03 19:36] – neil
@@ Line 39: / Line 39: @@
 Potential meaning of killing your device. e.g. [[http://www.usb-killer.com|USB killer]]. High voltage, to fry your USB ports and possibly other parts of your device.
-Safest thing to do? Charge using your own power supply.
+Safest thing to do? Don't use them, and instead charge using your own power supply. If you are willing to take the risk of a "USB killer", you could charge your own external battery pack from a public USB socket, and then use that battery pack to charge your device. In using this two-step approach, your phone (the device with the sensitive data on it) is never connected directly to the untrusted circuit.
 ====Minimise what you take ====