Maimonides Medical Center
Disclosed Jun 1, 20233 years ago33,000 affectedConfirmed
The covered entity (CE), Maimonides Medical Center, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 33,000 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses, lab results, medications, 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.
What is known
| People affected | 33,000 (as reported to HHS) |
|---|---|
| Disclosed | Jun 1, 2023 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Maimonides Medical Center (Healthcare Provider, NY)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Jun 1, 2023 | 33,000 |
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.