HHS OCR report · 2022
Cornerstone Services data breach
OCR report facts
- Covered entity
- Cornerstone Services
- Entity type
- Healthcare Provider
- State
- Illinois
- Individuals affected
- 2,513
- Submission date
- Jul 8, 2022
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Cornerstone Services, reported that it experienced a cyberattack that affected the protected health information (PHI) of 2,513 individuals. The PHI involved included names, dates of birth, drivers’ license and Social Security numbers, state identification numbers, passport numbers, health insurance and financial information, diagnoses, lab results, and medications. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Cornerstone Services data breach?
The report to HHS OCR lists 2,513 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 8, 2022.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: 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 Cornerstone Services 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 Cornerstone Services.