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Latest / California / November 2021

Anthem Blue Cross

Anthem Blue Cross notified California AG on Nov 24, 2021 of a data breach, which occurred on Nov 4, 2021. Data exposed: Medical / health information, Date of birth, Email address, Phone number, Postal address, Name.

All 4 filings by Anthem Blue Cross, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Anthem Blue Cross
Source
California AG · source record
Date reported
Nov 24, 2021
Date(s) of breach
Friday, October 1, 2021Thursday, November 4, 2021
Residents affected
Not published by this source
Data exposed
Medical / health information Date of birth Email address Phone number Postal address Name
Notice letter
Sample notice (PDF)
Days to notice
20 days from the end of the breach window (Nov 4, 2021, no discovery date in the letter) to the California record (Nov 24, 2021). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter
12 months of credit or identity monitoring through Experian
First seen by BreachTally
2026-10-30 16:05 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 16:05 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 Anthem Blue Cross

OrganizationSourceStateReportedResidents affectedData exposed
Anthem Blue Cross California AG CA Sep 28, 2022 Not published Medical / health informationHealth insuranceDate of birthEmail address+3
Anthem Blue Cross California AG CA May 18, 2022 Not published Medical / health informationName
Anthem Blue Cross California AG CA Nov 20, 2013 Not published Social Security numberTax ID / EIN / ITINPostal addressName

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