Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Blue Shield of California

Disclosed Feb 18, 2014Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedFeb 18, 2014
HappenedFeb 28, 2013
AttackNot stated
Data exposedNot stated
SectorOther · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Blue Shield of California

Notices filed

Residents of CAFeb 18, 2014
California AGCount not stated
Residents of CAJul 3, 2014
California AGCount not stated

Other breaches at Blue Shield of California

Google Analytics misconfiguration shared 4.7M members' health dataExposed data exposed names, health records and insurance details. Reported to the California AG.Exposed data4.7M affectedInsuranceUSFeb 28, 2025Hacking breachHacking exposed names and health records. Reported to the California AG.1,506 affectedInsuranceUSJul 12, 2022Hacking breachHacking exposed names and health records. Reported to the California AG.1,519 affectedInsuranceUSOct 27, 2021Insider breachInsider exposed names and health records. Reported to the California AG.21K affectedInsuranceUSJan 14, 2016
History of this record
disclosed2026-09-25
2014-07-03 to 2014-02-18by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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