The State Department is investigating a potential breach of its main unclassified network, a spokesman says. The intrusion appears to be connected to a similar intrusion into an unclassified White House network, he adds. The growing number of attacks is unprecedented and poses a “clear and present danger” to the nation’s security, Rep. Elijah Cumming writes to Secretary of State John Kerry. The number of reported security incidents affecting federal networks rose from 26,942 in 2009 to 46,605 in 2013, McCaul says.”]