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CareFirst BlueCross Blueshield

Disclosed May 20, 201511 years ago1,100,000 affectedConfirmed

Official notice

Cyber attack on CareFirst exposes data of 1.1 million members

CareFirst BlueCross BlueShield said a cyber attack stole data of about 1.1 million current and former members and others who used its websites.

What is known

People affected1,100,000 (as reported by the organization)
DisclosedMay 20, 2015
HappenedJun 19, 2014
AttackHacking
Data exposedNames, Dates of birth, Emails, Insurance, Social Security numbers
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
California AGresidents of CAMay 20, 2015
ResearchtotalMay 20, 20151,100,000
Maine AGresidents of MEMay 20, 20156
History of this record
  • 2026-09-25 · data_types: ["names","dob","emails","insurance"] to ["names","dob","emails","insurance","ssn"] · backfill source
  • 2026-09-25 · sector: other to insurance · seed source
  • 2026-09-25 · attack: unknown to hacking · seed source
  • 2026-09-25 · data_types: [] to ["names","dob","emails","insurance"] · seed source
  • 2026-09-25 · records_basis: empty to organization · seed source
  • 2026-09-25 · records: empty to 1100000 · seed source
  • 2026-09-25 · summary: empty to CareFirst BlueCross BlueShield said a cyber attack stole data of about 1.1 million current and former members and others who used its websites. · seed source
  • 2026-09-25 · title: empty to Cyber attack on CareFirst exposes data of 1.1 million members · seed source
  • 2026-09-25 · added · backfill source

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

Everything about CareFirst BlueCross Blueshield

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