HHS OCR report ยท 2023
Detroit Chassis, LLC data breach
OCR report facts
- Covered entity
- Detroit Chassis, LLC
- Entity type
- Health Plan
- State
- Michigan
- Individuals affected
- 958
- Submission date
- Nov 21, 2023
- 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), Detroit Chassis, LLC, reported that it was a victim of a ransomware attack that affected the protected health information (PHI) of 958 individuals. The PHI involved included names, dates of service, provider information, and prescription benefits. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE strengthened its administrative, technical, and security safeguards.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Detroit Chassis, LLC data breach?
The report to HHS OCR lists 958 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Nov 21, 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: 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 Detroit Chassis, LLC 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 Detroit Chassis, LLC.