WASHINGTON—An immense hack of millions of government personnel files is being treated as the work of foreign spies who could use the information to fake their way into more-secure computers and plunder U.S. secrets.
Federal employees were told in a video Friday to change all their passwords, put fraud alerts on their credit reports and watch for attempts by foreign intelligence services to exploit them. That message came from Dan Payne, a senior counterintelligence official for the Director of National Intelligence.
“Some of you may think that you are not of interest because you don’t have access to classified information,” he said. “You are mistaken.”
