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Latest / California / November 2013

Anthem Blue Cross

Anthem Blue Cross notified California AG on Nov 20, 2013 of a data breach, which occurred on Oct 24, 2013. Data exposed: Social Security number, Tax ID / EIN / ITIN, Postal address, Name.

Organization
Anthem Blue Cross
Source
California AG · source record
Date reported
Nov 20, 2013
Date(s) of breach
Wednesday, October 23, 2013Thursday, October 24, 2013
Residents affected
Not published by this source
Data exposed
Social Security number Tax ID / EIN / ITIN Postal address Name
Notice letter
Sample notice (PDF)
First seen by BreachTally
2026-10-30 16:24 UTC

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

Other filings by Anthem Blue Cross

OrganizationSourceStateReportedResidents affectedData exposed
Anthem Blue Cross California AG CA Sep 28, 2022 Not published Not stated
Anthem Blue Cross California AG CA May 18, 2022 Not published Medical / health informationName
Anthem Blue Cross California AG CA Nov 24, 2021 Not published Medical / health informationDate of birthEmail addressPhone number+2
First seen by BreachTally at 16:24 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

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