Defense Manpower Data Center

Force in Play

As of October 2026: Breached; investigation ongoing

Nearly 3 million people tied to the US military had Social Security numbers and job details exposed in a nine-month breach of the Pentagon's main personnel database. The Defense Manpower Data Center (DMDC) discovered the intrusion on July 16, 2026, but did not notify victims until Sept. 18, a 64-day gap.

Updated Oct 4