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Nacogdoches Memorial Hospital (Texas): network intrusion exposes up to 2.5 million people

A hacker accessed the 226-bed hospital’s network from 15 Jan 2026; it was identified on 31 Jan.

Disclosed

What happened

  • A hacker accessed the 226-bed hospital’s network from 15 Jan 2026; it was identified on 31 Jan. Up to 2,507,073 individuals are listed on the HHS OCR portal. Data includes names, addresses, SSNs, dates of birth, medical record and account numbers, health plan numbers and, for some, full-face photographs.
  • Root cause / initial access: not disclosed.
  • Attacker: no group had claimed it as of 1 Apr 2026.
  • Response: letters mailed 31 Mar; per the Maine AG notice no credit monitoring offered.

Sources

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