HHS OCR report ยท 2019
Calibre CPA Group data breach
OCR report facts
- Covered entity
- Calibre CPA Group
- Entity type
- Business Associate
- State
- Maryland
- Individuals affected
- 912
- Submission date
- Sep 27, 2019
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Email, Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
Calibre CPA Group, a business associate (BA), reported that several employees were the victims of an email phishing scheme that affected the protected health information (PHI) of 7,937 individuals. The PHI involved included names and Social Security numbers. In its mitigation efforts, the BA implemented numerous administrative, technical, and security safeguards to better protect its sensitive data. Calibre also retrained its staff on the proper methods of identifying fraudulent email commu...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Calibre CPA Group data breach?
The report to HHS OCR lists 912 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Sep 27, 2019.
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, Network Server.
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 Calibre CPA Group 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 Calibre CPA Group.