Tagged: Technology

What is the point of the best-seller list? Depends who you are. If you're a reader, it's a guide to what's popular — what's new, what your neighbors are buying, and what you might like to read next. If you're a publisher, it's a source of feedback and a sales tool: It tells you how your books compete, and gives you triumphs to crow about on paperback covers.

Secretary of Defense Leon Panetta delivered a policy speech that he said was a "clarion call" for Americans to take cyber security seriously. Attacks that can cripple a country, he said, are no longer theoretical.

Defense Secretary Leon Panetta told business leaders the Pentagon is developing capabilities to ward off attacks on the nation's infrastructure. He says foreign actors have already probed key systems that could cause damage and even death — and the Pentagon has a key role to play in stopping such efforts.