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JUICE JACKING
USB cables normally carry both data and electricity. Data can be a problem, as it is an avenue through which a device can be attacked. The attack is called Juice Jacking (maybe Juice-Jacking) and the potential danger was first raised back in 2011. There are multiple defenses (see below) but the most commonly suggested defense is a USB cable that only does power. These cables go by multiple names: Power-Only cables, Charge-Only cables, USB Data Blockers or a USB condom.
There are a number of other defenses too:
The Krebs article was one a number of articles in April 2023 that asked just how likely such an attack is. It was probably the best. Another was: Actually, Charging Your Phone in a Public USB Port Is Fine by Heather Tal Murphy for Slate. April 13, 2023. Despite the click bait headline, the article does recommend using a USB condom. It is mostly a takedown of how the tech press works. It says there are no known instances of a phone being hacked due to plugging into a public USB port. Still, this assumes that installing malware on a phone is the only danger and ignores the issue of files that might be visible over the data connection - files that can be copied and thus leave no trace on the phone. The article also says that new Android and iPhones ask whether you want to share data or charge only when they plug into a USB port that is set up to capture data. Of course, a victim can answer the question wrong. And, the articles does not not define "new" so its not clear when this feature was added.
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