HHS OCR report · 2023
Highmark, Inc. data breach
OCR report facts
- Covered entity
- Highmark, Inc.
- Entity type
- Health Plan
- State
- Pennsylvania
- Individuals affected
- 239,039
- Submission date
- Feb 10, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Highmark, the covered entity (CE), reported that an employee was subject to an email phishing scheme that effected the protected health information (PHI) of 239,039 individuals. The PHI involved included names, dates of birth, driver’s license numbers, addresses, Social Security numbers, claims and financial information, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation ...
Text as published on the HHS OCR breach portal.
Other reports by Highmark, Inc.
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Highmark, Inc. | PA | Health Plan | 511 | Jun 30, 2022 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the Highmark, Inc. data breach?
The report to HHS OCR lists 239,039 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 10, 2023.
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 Highmark, Inc. 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 Highmark, Inc..