The federal government is launching an expansive program dubbed "Perfect Citizen" to detect cyber assaults on private companies and government agencies running such critical infrastructure as the electricity grid and nuclear-power plants, according to pe… more »

WSJ Blog By Siobhan Gorman The Obama administration lifted the veil Tuesday on a highly-secretive set of policies to defend the U.S. from cyber attacks. It was an open secret that the National Security Agency was bolstering a Homeland Security progr… more »