News Summary: Pentagon gears up vs cyberattacks

News Summary: Military creating cyber teams to prevent electronic attacks against US systems

DIGITAL DEFENSE: The Defense Department is establishing cyber teams charged with carrying out offensive operations to combat the threat of an electronic assault on the United States.

WHAT'S AT STAKE: Cyberattacks could cause major damage and disruption to the country's electric grid and other vital infrastructure.

BACKGROUND: A senior military official says the government and companies need to take more aggressive steps to improve digital defenses. He didn't mention specific countries, but the Obama administration has also been escalating its criticism of cyber thefts by China.