Blue Shield of California

Blue Shield of California notified California AG on Feb 18, 2014 of a data breach, which occurred on Dec 20, 2013.

Organization: Blue Shield of California
Source: California AG · source record
Date reported: Feb 18, 2014
Date(s) of breach: Friday, December 20, 2013
Residents affected: Not published by this source
Data exposed: Not stated in the source listing
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 Blue Shield of California

Organization	Source	State	Reported	Residents affected	Data exposed
Blue Shield of California	California AG	CA	Jul 21, 2025	Not published	Not stated
Blue Shield of California	California AG	CA	Jun 23, 2025	Not published	Not stated
Blue Shield of California	HHS OCR	US	Jun 23, 2025	673	Medical / health information
Blue Shield of California	California AG	CA	Jun 6, 2025	Not published	Not stated
Blue Shield of California	California AG	CA	Apr 9, 2025	Not published	In the letter (PDF)
Blue Shield of California	California AG	CA	Mar 28, 2025	Not published	In the letter (PDF)
Blue Shield of California	California AG	CA	Jul 12, 2022	Not published	Social Security numberFinancial / bank accountMedical / health informationDate of birth+2
Blue Shield of California	California AG	CA	Oct 27, 2021	Not published	Social Security numberFinancial / bank accountMedical / health informationDate of birth+4
Blue Shield of California	California AG	CA	Jan 14, 2016	Not published	Social Security numberFinancial / bank accountMedical / health informationDate of birth+3
Blue Shield of California	California AG	CA	Jul 3, 2014	Not published	Social Security numberFinancial / bank accountMedical / health informationPhone number+2

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