Missouri Delta Medical Center
Disclosed Oct 21, 20214 years ago9,745 affectedConfirmed
The covered entity (CE), Missouri Delta Medical Center, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 9,745 individuals. The PHI involved included names, diagnoses, telephone numbers, and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional technical safeguards and provided HIPAA, cybersecurity, and phishing awareness training to its employees.
What is known
| People affected | 9,745 (as reported to HHS) |
|---|---|
| Disclosed | Oct 21, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Missouri Delta Medical Center (Healthcare Provider, IL)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Oct 21, 2021 | 9,745 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.