Amgen

Disclosed May 30, 20241,649,867 affectedConfirmed

What is known

People affected	1,649,867 (as reported by the organization)
Disclosed	May 30, 2024
Discovered	Apr 10, 2024
Happened	Aug 16, 2023
Attack	Hacking
Data exposed	NamesHealth
Sector	Tech · US
Status	Confirmed

Sources

Official noticeoag.ca.gov

California Attorney General breach notice: Amgen

Official noticeatg.wa.gov

Washington Attorney General breach notice: Amgen

Official noticeattorneygeneral.delaware.gov

Notice letter filed with the Delaware DOJ: Amgen

Official noticeago.vermont.gov

Vermont Attorney General: 2024-05-30 Amgen Data Breach Notice to Consumers

Official noticein.gov

Indiana Attorney General 2024 data breach report: Amgen

Notices filed

Residents of CAMay 30, 2024

California AGCount not stated

Residents of WAMay 30, 2024

Washington AG14,081 people

Residents of DEMay 30, 2024

Delaware DOJ8,491 people

Residents of VTMay 30, 2024

Vermont AGCount not stated

Residents of INMay 30, 2024

Indiana AG45,980 people

Residents of CASep 25, 2024

California AGCount not stated

Residents of INSep 25, 2024

Indiana AG4 people

Other breaches at Amgen

Amgen says patient health data exfiltrated from third-party cloud systemsVendor breach exposed health records, internal documents, Social Security numbers, government IDs, insurance details, payment cards, financial details, dates of birth, addresses and names. Reported to the California AG.Vendor breach40K affectedHealthcareUSJul 31 Breach, details not statedBreach notice filed with the California AG, details not stated.TechUSJun 22, 2021 Breach, details not statedBreach notice filed with the California AG, details not stated.TechUSJun 26, 2018

History of this record

source2026-09-25

empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Reportdec-2024.pdfby backfillSource

source2026-09-25

empty to https://ago.vermont.gov/document/2024-05-30-amgen-data-breach-notice-consumersby backfillSource

data_types2026-09-25

[] to ["names","health"]by backfillSource

records_basis2026-09-25

empty to organizationby backfillSource

records2026-09-25

empty to 1649867by backfillSource

attack2026-09-25

unknown to hackingby backfillSource

discovered2026-09-25

empty to 2024-04-10by backfillSource

disclosed2026-09-25

2024-09-25 to 2024-05-30by 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.

Everything about Amgen