Every public data breach

44 disclosed this week · 26,355 on record

Blue Cross Blue Shield of Arizona

Disclosed Aug 17, 202347,485 affectedConfirmed

Official notice

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.

What is known

People affected47,485 (as reported to HHS)
DisclosedAug 17, 2023
AttackHacking
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

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