Federal investigators have uncovered a second breach at the Office of Personnel Management as they examined an earlier incident affecting approximately 4 million federal employee records, National Journal reported Friday.
Dustin Volz reports the other intrusion may have exposed personal information of intelligence and military personnel who filled out Standard Form 86 questionnaires for national security positions.
U.S. authorities believe that both attacks originated from China.
The 30-day program calls for strategies to fix system vulnerabilities, limit access to privileged data and implement multifactor authentication tools, the report noted.
Hattem said U.S. Chief Information Officer Tony Scott is working with officials at the National Security Council and the departments of Defense and Homeland Security to review cyber policies and practices across the government.