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Blue Cross Blue Shield of Arizona

ArchivedSubmitted 08/17/2023
State
AZ
Covered entity type
Health Plan
Individuals affected
47,485
Business associate present
Yes
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

Blue Cross Blue Shield of Arizona, the covered entity (CE), reported that a vendor of its business associate (BA) was the subject of a cybersecurity incident that compromised the protected health information (PHI) of 47,485 individuals. The PHI involved included names, dates of birth, addresses, Social Security numbers, and financial information. The CE notified HHS; the BA notified affected individuals and the media. In its mitigation efforts, the BA and vendor implemented new technical safeguards, provided affected individuals with free credit monitoring, and revised its policies and procedures. The CE implemented new security measures to prevent similar attacks from occurring in the future.

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.