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TIME

Pentagon breach exposed Social Security numbers of 3.05 million people over nine months

Political Guyentist · September 30, 20261 min read

TIME

The living make up about 90% of those exposed, or 2.76 million people, and the rest are dead; their files include Social Security numbers and job details. Officials say there is no evidence yet that the data has been misused.

Key figuresAccess ran from October 2025 to July 2026, about nine months.3 details
  • Access ran from October 2025 to July 2026, about nine months.
  • The DMDC found the flaw on July 16, 2026, and patched it that month.
  • The exposed files are about 5% of the more than 60 million personnel records the DMDC holds in total.

What we’re less sure of3 of 7 claims