Pentagon Data Breach Exposes Sensitive Data of Over 3 Million People
Pentagon confirms a DMDC breach exposing SSNs and other data of about 3 million people.
The Pentagon confirmed unauthorized access to the Defense Manpower Data Center that exposed personal data tied to more than 3 million people, including 2.76 million living individuals and about 294,000 deceased people. A small number of unauthorized users reached unencrypted files through a file-sharing vulnerability from October 2025 until DMDC found and patched it on July 16, 2026. Exposed data can include names, Social Security numbers, dates of birth, contact details, and military occupational information. Officials say they have no evidence of misuse; notification letters dated September 18 offer one year of IDX credit monitoring.
82