US Defense Secretary Leon Panetta talks to the media after a meeting of NATO defence ministers at the NATO headquarters in Brussels on October 10, 2012. Countering deadly insider attacks by Afghan forces on their NATO allies is a key element for success in Afghanistan, Panetta said as the death toll mounts.
During a speech yesterday at the Intrepid Sea, Air and Space Museum in New York, Defense Secretary Leon Panetta argued the U.S. could easily be attacked by hackers, crippling the nation's power grid, transportation system, financial networks and government.
Panetta said such attacks should not be underestimated.
For more on the potential threat of cyber-attacks and what we could do to prevent them, we're joined by Noah Shachtman, editor of the national security blog The Danger Room.