Cyber Expert Peter Singer: Sony's Embarrassment Has Set a 'Horrible' Precedent

"The ability to steal gossipy emails from a not-so-greatly defended computer network is not the same as being able to carry out physical 9/11-style attacks at 18,000 theaters simultaneously," Singer says. "The point here is that by caving in, we've set an absolutely horrible precedent—a precedent that makes these kinds of threats far more likely for the rest of us."