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Blue Shield of California OR Blue Shield of California Promise Health Plan

Disclosed Nov 17, 20232 years ago27,832 affectedConfirmed

Official notice

Blue Shield of California OR Blue Shield of California Promise Health Plan, the covered entity (CE), reported that its business associate (BA) experienced a cyber-attack that compromised the protected health information (PHI) of 27,832 individuals. The PHI involved included names, Social Security numbers, diagnoses, addresses, birthdates, and claims information. In its mitigation efforts, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards.

What is known

People affected27,832 (as reported to HHS)
DisclosedNov 17, 2023
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalNov 17, 202327,832
History of this record
  • 2026-09-25 · added · backfill source

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

Everything about Blue Shield of California OR Blue Shield of California Promise Health Plan

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