Editors note: OPM initially said up to 600,000 individuals whose personal data was compromised would have to re-enroll in identity protection services, but the agency on Nov. 4 said further review ...

The US should brace itself for more attacks like one on the Office of Personnel Management—in which millions of sensitive government records were stolen, the director of the National Security Agency ...

A new government review of what the Chinese hack of sensitive security clearance files of 21 million people means for national security is in — and some of the implications are quite grave. Covert ...