Pentagon Takes Steps to Protect Against Cyberattacks

The Pentagon is about to roll out an expanded effort to safeguard its contractors from hackers and is building a virtual firing range in cyberspace to test new technologies, according to officials familiar with the plans, as a recent wave of cyber attacks boosts concerns about U.S. vulnerability to digital warfare. The twin efforts show how President Barack Obama's administration is racing on multiple fronts to plug the holes in U.S. cyber defenses.