Chase Brexton Health Care
Disclosed Oct 3, 20178 years ago16,562 affectedConfirmed
An unauthorized user gained access to four employees’ email accounts after a phishing attack. The breach included the protected health information of 16,562 individuals and included names, addresses, dates of birth, financial information, and diagnostic information. Following the breach, the covered entity implemented two-factor authentication for its email system and trained employees on cybersecurity. OCR reviewed the covered entity’s risk analysis to ensure compliance with the Security Rule.
What is known
| People affected | 16,562 (as reported to HHS) |
|---|---|
| Disclosed | Oct 3, 2017 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Chase Brexton Health Care (Healthcare Provider, MD)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Oct 3, 2017 | 16,562 |
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.