Luminis Health Anne Arundel Medical Center
Disclosed Nov 2, 20214 years ago824,450 affectedConfirmed
The covered entity (CE), Luminis Health Anne Arundel Medical Center, reported that multiple employees were the victims of an email phishing attack that compromised the protected health information (PHI) of approximately 824,450 individuals. The PHI involved included names, dates of birth, medical record numbers, Social Security numbers, diagnoses, and treatment and claims information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. In response to the breach, the CE implemented new technical safeguards and retrained its staff on email security.
What is known
| People affected | 824,450 (as reported to HHS) |
|---|---|
| Disclosed | Nov 2, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Luminis Health Anne Arundel Medical Center (Healthcare Provider, MD)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Nov 2, 2021 | 824,450 |
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.