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Latest / California / September 2024

Amgen Inc.

Amgen Inc. notified California AG on Sep 25, 2024 of a data breach, which occurred on Oct 17, 2023. Data exposed: Social Security number, Passport number, Financial / bank account, Medical / health information, Health insurance, Date of birth, Tax ID / EIN / ITIN, Postal address, Name.

All 10 filings by Amgen Inc., state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Amgen Inc.
Source
California AG · source record
Date reported
Sep 25, 2024
Date(s) of breach
Wednesday, August 16, 2023Tuesday, October 17, 2023
Residents affected
Not published by this source
Data exposed
Social Security number Passport number Financial / bank account Medical / health information Health insurance Date of birth Tax ID / EIN / ITIN Postal address Name
Notice letter
Sample notice (PDF)
Days to notice
344 days from the end of the breach window (Oct 17, 2023, no discovery date in the letter) to the California record (Sep 25, 2024). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter
credit or identity monitoring through Experian
Third party
The letter attributes the incident to a vendor or service provider
First seen by BreachTally
2026-10-30 15:39 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 15:39 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by Amgen Inc.

OrganizationSourceStateReportedResidents affectedData exposed
Amgen Inc. Massachusetts OCABR MA Aug 18, 2026 354 Social Security numberMedical / health information
Amgen Inc. Texas AG TX Aug 18, 2026 6,714 Social Security numberDriver's license / state IDPassport numberFinancial / bank account+5
Amgen Inc. Vermont AG VT Aug 17, 2026 24 Social Security numberMedical / health information
Amgen Inc. California AG CA Aug 17, 2026 Not published Medical / health informationHealth insuranceDate of birthEmail address+2
Amgen Inc. California AG CA May 30, 2024 Not published Medical / health informationDate of birthPostal addressName
Amgen, Inc. Delaware DOJ DE May 30, 2024 8,491 Medical / health informationDate of birthPostal addressName
Amgen Inc. Oregon DOJ OR Jun 22, 2021 101,445 Not stated
Amgen Inc. California AG CA Jun 22, 2021 Not published Social Security numberFinancial / bank accountHealth insuranceEmail address
Amgen, Inc. California AG CA Jun 26, 2018 Not published Financial / bank accountPhone numberPostal addressName

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.