- State
- IL
- Covered entity type
- Health Plan
- Individuals affected
- 5,095
- 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
The covered entity (CE), CNA Financial Corporation, reported that it experienced a ransomware attack that affected the protected health information (PHI) of approximately 5,095 individuals. The PHI involved included names, addresses, Social Security numbers, birthdates, diagnoses, lab results, and claims and other treatment information. The CE notified HHS, affected individuals, the media, law enforcement, and provided substitute notice. In response to the breach, the CE strengthened its administrative, technical, and security safeguards. OCR provided technical assistance regarding the HIPAA Security Rule.
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.