Menninger Clinic
Disclosed Sep 24, 20215 years ago2,076 affectedConfirmed
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 affected | 2,076 (as reported by the organization) |
|---|---|
| Disclosed | Sep 24, 2021 |
| Happened | Mar 18, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Indiana Attorney General 2021 data breach report: Menninger Clinicin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Menninger Clinic (Healthcare Provider, TX)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Sep 24, 2021 | 8 |
| HHS archivetotal | Sep 24, 2021 | 1,365 |
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.