Remember juice jacking? This kind of attack happens when you plug your phone or tablet into a public USB charging port (like at an airport), and the malicious charger compromises your device. Most commonly, the sketchy port will access data on your device or upload malware to its storage. Juice jacking first made the news over a decade ago, with periodic reminders about its dangers since then.

Most people don’t think about this threat—and truthfully, I haven’t either, even though I cover security for PCWorld. Back in 2011, security on phone operating systems was more basic. Since then, both Google and Apple have updated their operating systems to be more resistant to juice jacking.

But at the start of this summer (and since), various news outlets have recirculated a warning from the Unit

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