18 Million employees data stolen

http://www.cnn.com/2015/06/22/politics/opm-hack-18-milliion/

OPM breech

Finally, the Wall Street Journal has sources that claim the network breach was discovered when an IT security company called CyTech turned up to demonstrate its intrusion forensics software to federal staffers. A diagnostic check of the agency's computers turned up hidden malware, sparking further investigation