Morris Hospital & Healthcare Centers
Disclosed Aug 17, 20233 years ago256,568 affectedConfirmed
Morris Hospital & Healthcare Centers, the covered entity (CE), reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 256,568 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses, and conditions. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional administrative and technical safeguards. OCR provided technical assistance regarding the HIPAA Rules.
What is known
| People affected | 256,568 (as reported to HHS) |
|---|---|
| Disclosed | Aug 17, 2023 |
| Happened | Apr 4, 2023 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Morris Hospital & Healthcare Centersoag.ca.gov · Official notice | Official notice |
| Vermont Attorney General: 2023-08-17 Morris Hospital & Healthcare Centers Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| Indiana Attorney General 2023 data breach report: Morris Hospital and Healthcare Centersin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Morris Hospital & Healthcare Centers (Healthcare Provider, IL)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Aug 17, 2023 | |
| Vermont AGresidents of VT | Aug 17, 2023 | |
| Indiana AGresidents of IN | Aug 17, 2023 | 1,666 |
| HHS archivetotal | Aug 17, 2023 | 256,568 |
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 · records_basis: organization to hhs · backfill source
- 2026-09-25 · records: 24894 to 256568 · backfill source
- 2026-09-25 · summary: empty to Morris Hospital & Healthcare Centers, the covered entity (CE), reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 256,568 individuals. The PHI involved included names, addresses, dates of · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 24894 · backfill source
- 2026-09-25 · source: empty to https://ago.vermont.gov/document/2023-08-17-morris-hospital-healthcare-centers-data-breach-notice-consumers · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.