- State
- CA
- Covered entity type
- Health Plan
- Individuals affected
- 6,491
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
4 Over LLC Group Health Plan, the covered entity (CE), reported that it experienced a ransomware attack that compromised the protected health information (PHI) of 6,491 individuals. The PHI involved included names, birthdates, Social Security and drivers’ license numbers, diagnoses, medications, and financial and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE offered free credit monitoring services and implemented additional administrative, technical, and security safeguards. OCR provided technical assistance regarding the HIPAA Rules.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.