The Defense Department is increasing collaboration in cyberspace with the private sector through several "pathfinder" projects, but the military should not step in to solve security issues that are largely the responsibility of private industry, according to a DOD official. DOD and the Department of Homeland Security have initiated several pathfinder projects to "enhance information sharing" and better protect critical infrastructure, according to Madeline Mortelmans, principal director for cyber policy at the Pentagon. Last fall, the heads of DOD and...