HHS OCR report · 2017
Chase Brexton Health Care data breach
OCR report facts
- Covered entity
- Chase Brexton Health Care
- Entity type
- Healthcare Provider
- State
- Maryland
- Individuals affected
- 16,562
- Submission date
- Oct 3, 2017
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
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 ...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Chase Brexton Health Care data breach?
The report to HHS OCR lists 16,562 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Oct 3, 2017.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Email.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from Chase Brexton Health Care legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or Chase Brexton Health Care.