You're waiting at the airport and topping up your iPhone at a public USB charging station. What if that innocent little plug was hacking into your iPhone and installing malicious software? Billy Lau, a research scientist at Georgia Institute of Technology, told attendees at the Black Hat security conference in Las Vegas that it's possible, though there's no evidence that anyone has actually tried to create an evil USB plug.Related StoriesNext iPhone's possible fingerprint reader unlikely to excite buyersMicrosoft Office app launched for Android smartphones
