Trusted Workforce 2.0 has sparked major progress on security clearance and personnel vetting reform, but there's still plenty of big challenges left.

The Defense Counterintelligence and Security Agency’s security clearance background investigations inventory dropped 24 ...

Officials said Dan Caldwell’s sudden downfall was tied to an investigation into unauthorized disclosure of Defense Department ...

Kasper warned that the investigation would begin ... what it said were leaks of national security information. Defense Department personnel could face polygraphs. The memo referred to “recent ...