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Menninger Clinic

Disclosed Sep 24, 20215 years ago2,076 affectedConfirmed

Official notice

The covered entity (CE), The Menninger Clinic, reported that several employees were the victims of an email phishing scheme that affected the protected health information (PHI) of 1,365 individuals. The PHI involved included names, dates of birth, addresses, drivers’ license and Social Security numbers, claims and financial information, diagnoses, lab results, medications prescribed, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards. Staff were retrained on email security.

What is known

People affected2,076 (as reported by the organization)
DisclosedSep 24, 2021
HappenedMar 18, 2021
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
Indiana Attorney General 2021 data breach report: Menninger Clinicin.gov · Official notice
HHS OCR breach report (archive, resolved): Menninger Clinic (Healthcare Provider, TX)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
Indiana AGresidents of INSep 24, 20218
HHS archivetotalSep 24, 20211,365
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · summary: empty to The covered entity (CE), The Menninger Clinic, reported that several employees were the victims of an email phishing scheme that affected the protected health information (PHI) of 1,365 individuals. The PHI involved included names, dates of · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.

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