Every public data breach

44 disclosed this week · 26,355 on record

Anthem

Disclosed Feb 4, 201578,800,000 affectedSettled

Official notice

2014 data warehouse breach of 78.8M people; USD 16M HHS OCR and USD 39.5M states

Attackers reached Anthem's data warehouse in a 2014 cyberattack and harvested names, birth dates, Social Security numbers, health ID numbers, addresses, emails, phone numbers and employment data of 78.8 million people. Anthem paid HHS OCR a record USD 16M in 2018 and a multistate coalition USD 39.5M in 2020.

What is known

People affected78,800,000 (as reported by the organization)
DisclosedFeb 4, 2015
DiscoveredJan 29, 2015
HappenedDec 10, 2014
AttackHacking
Data exposedNamesDates of birthSocial Security numbersAddressesEmailsEmploymentInsurancePhone numbersHealth
SectorInsurance · US
StatusSettled
Lawsuit or fineUSD 16M HHS OCR settlement (Oct 2018); USD 39.5M multistate AG settlement (Sept 2020) (about $56M)

Sources

Notices filed

Other breaches at Anthem

History of this record
data_types2026-09-25
["names","dob","ssn","addresses","emails","employment","insurance","phone"] to ["names","dob","ssn","addresses","emails","employment","insurance","phone","health"]by backfillSource
occurred2026-09-25
empty to 2014-12-10by backfillSource
fine_usd2026-09-25
16000000 to 55500000by seedSource
lawsuit2026-09-25
$16M HHS OCR HIPAA settlement (2018) to USD 16M HHS OCR settlement (Oct 2018); USD 39.5M multistate AG settlement (Sept 2020)by seedSource
data_types2026-09-25
["names","dob","ssn","addresses","emails","employment","insurance"] to ["names","dob","ssn","addresses","emails","employment","insurance","phone"]by seedSource
summary2026-09-25
Anthem disclosed that attackers broke into its IT systems and stole personal data including Social Security numbers from all business lines; HHS OCR said the attack exposed health plan data of almost 79 million people and Anthem paid a reco to Attackers reached Anthem's data warehouse in a 2014 cyberattack and harvested names, birth dates, Social Security numbers, health ID numbers, addresses, emails, phone numbers and employment data of 78.8 million people. Anthem paid HHS OCR aby seedSource
title2026-09-25
Sophisticated cyber attack on health insurer exposes member and employee data to 2014 data warehouse breach of 78.8M people; USD 16M HHS OCR and USD 39.5M statesby seedSource
status2026-09-25
confirmed to settledby seedSource
fine_usd2026-09-25
empty to 16000000by seedSource
lawsuit2026-09-25
empty to $16M HHS OCR HIPAA settlement (2018)by seedSource
sector2026-09-25
other to insuranceby seedSource
attack2026-09-25
unknown to hackingby seedSource
data_types2026-09-25
[] to ["names","dob","ssn","addresses","emails","employment","insurance"]by seedSource
records_basis2026-09-25
empty to organizationby seedSource
records2026-09-25
empty to 78800000by seedSource
disclosed2026-09-25
2015-02-13 to 2015-02-04by seedSource
discovered2026-09-25
empty to 2015-01-29by seedSource
summary2026-09-25
empty to Anthem disclosed that attackers broke into its IT systems and stole personal data including Social Security numbers from all business lines; HHS OCR said the attack exposed health plan data of almost 79 million people and Anthem paid a recoby seedSource
title2026-09-25
empty to Sophisticated cyber attack on health insurer exposes member and employee databy seedSource
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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