Yet another instance of media hype.<p>FTFA: <i>"And so they had to break in and hack into the computer to do it, so they were pretty determined," said Hartley.</i><p>It's been widely posted on various tech blogs lately that the default password for these signs (which is rarely ever changed) is "DOT". Plus you can apparently factory-default the sign by hold 3 buttons of the programming fob.<p>Before the world of electronica, this was simply called "mischief".