DEFCON's Latest Challenge: Hacking Altruism

jfruh writes: A casual observer at the latest DEFCON conference in Las Vegas might not have noticed much change from last year — still tons of leather, piercing, and body art, still groups of men gathered in darkened ballrooms furiously typing commands. But this year there's a new focus: hacking not just for the lulz, but focusing specifically on highlighting computer security problems that have the potential to do real-world physical harm to human beings.