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CNA Financial Corporation

ArchivedSubmitted 07/08/2021

Updated 15 hours ago ()

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
Sep 23, 2026
Last seen in OCR export
Oct 25, 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

  • Sep 23, 2026Added to OCR's archive list

Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source

Records are reproduced as published; entity names and figures are OCR's.

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