Cyber vulnerabilities among contractors in the defense industrial base pose a top threat to U.S. national security and require a new, "comprehensive" approach, according to the nominee tapped to lead U.S. Cyber Command and the National Security Agency. "As military defenses are relatively formidable, critical infrastructure and the defense industrial base and private sector are likely seen as a rich source of information and a critical vulnerability in the nation’s armor," Lt. Gen. Paul Nakasone told the Senate Armed Services...