Online attackers successfully penetrated the Department of Energy’s network in the middle of January. They obtained copies of personally identifiable information (PII) pertaining to several hundred of the agency’s employees and contractors. The DOE has launched a full-scale investigation into the breach, involving its Joint Cybersecurity Coordination Center, or JC3. The agency urged all employees “to help minimize impacts and reduce any potential risks” by encrypting all files and emails that contained PII, “including files stored on hard drives or on the shared network””]
Source: https://www.darkreading.com/attacks-breaches/department-of-energy-confirms-data-breach