Second hack of federal records hit intelligence and military personnel

OPM hackers linked to China accessed sensitive background informationNews follows revelation records of 14 million federal employees compromisedAs many as 14 million current and former civilian US government employees had their personal information exposed to hackers, according to two people who were briefed on the investigation, representing a far higher figure than the 4 million the Obama administration initially disclosed – and coming amid an apparent second cyber breach that officials said