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How a USB-connected speaker can infect a PC without ever being touched
(arstechnica.com)
This is a most excellent place for technology news and articles.
Not really. You can't just walk by with a cell phone to configure a flash drive that is already plugged in and convert it to an attack vector. The method of setting up the attack device is the shocking part. You don't even have you push a pairing button on the speaker to connect to it.