Home › States › CaliforniaCalifornia data breach notices 5,364 notices on file, filed under Cal. Civ. Code §1798.82.
Governed by Cal. Civ. Code §1798.82 . A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.
Note: no affected-count is published on this register.
California breach-notification register ↗
Notices by year Year Notices 2026 469 2025 564 2024 607 2023 641 2022 452 2021 476 2020 389 2019 251 2018 262 2017 316 2016 244 2015 210 2014 187 2013 166 2012 130
Most recent notices Organization Reported Residents affected USForex Inc. 2026-10-26 — Frontline Education 2026-10-26 — Navigate 360, LLC 2026-10-23 — Apollo Management Holdings, L.P. 2026-10-23 — Dill Dill Carr Stonbraker & Hutchings, P.C. 2026-10-22 — BASS Medical Group 2026-10-22 — Deposition Solutions, LLC (d/b/a Lexitas) 2026-10-22 — Opportune LLP 2026-10-22 — Dorsata, Inc. 2026-10-21 — Toyo Tire Holdings of Americas Inc. 2026-10-20 — Mercadien, P.C. CPAs 2026-10-20 — Alma Family Services 2026-10-19 — Citizens Bank 2026-10-19 — STS Aviation Group, LLC 2026-10-19 — Stitch Connect Inc 2026-10-18 — Covered California 2026-10-16 — Frazer LLP 2026-10-16 — Neuro Wellness Spa 2026-10-16 — John G. Yphantides, a Professional Law Corporation 2026-10-16 — CDE 2026-10-16 — Inner City Education Foundation 2026-10-16 — City of Foster City 2026-10-15 — MLD Mortgage Inc. dba The Money Store 2026-10-15 — BDG Law Group 2026-10-14 — Kern County Superintendent of Schools 2026-10-14 — JM Bullion, Inc. 2026-10-13 — American Board of Preventive Medicine 2026-10-13 — Tulare Joint Union High School District 2026-10-13 — Magna Hospitality Group 2026-10-13 — Porter and Company 2026-10-13 — Mercadien, P.C. CPAs 2026-10-12 — Blueberry Pediatrics 2026-10-10 — Blueberry Pediatrics 2026-10-10 — Alisal Union Schol District 2026-10-07 — iRhythm Technologies Inc. 2026-10-06 — Harman Fitness 2026-10-06 — Advantest America, Inc. 2026-10-05 — Fragomen, Del Rey, Bernsen & Loewy, LLP 2026-10-02 — Sheppard, Mullin, Richter & Hampton LLP 2026-10-02 — Greenberg Traurig, LLP (“GT”) 2026-10-01 — Marana Health Center 2026-10-01 — Lincoln Property Company Commercial LLC 2026-10-01 — Aldrich Services LLP 2026-10-01 — ProCamps 2026-09-30 — Nishiyamato Academy 2026-09-30 — American Family Connect Insurance Company 2026-09-30 — DriveWealth 2026-09-30 — City of McMinnville 2026-09-29 — Challenge Financial Services, Inc. 2026-09-29 — Poppins Payroll Company 2026-09-29 —
Top organizations by notices Organization Notices American Express Travel Related Services Company, Inc and /or its Affiliates (“AXP”) 90 Discover Financial Services 45 Episource, LLC 11 U.S. Bank, N.A. 11 Blue Shield of California 10 California Department of Corrections and Rehabilitation 9 Conduent Business Services LLC 9 Financial Business and Consumer Solutions, Inc. 9 Horizon Actuarial Services, LLC 9 Orrick, Herrington & Sutcliffe LLP 9 AltaMed Health Services Corporation 8 California Correctional Health Care Services 8 HealthEquity, Inc. 8 Infosys McCamish Systems, LLC 7 Massachusetts Mutual Life Insurance Company 7 Bank of the West 6 Harvard Pilgrim Health Care 6 Medical Review Institute of America 6 Alera Group, Inc. 5 AMGEN INC 5 Brightline, Inc. 5 Capital One 5 JPMorgan Chase Bank NA 5 Kelly & Associates Insurance Group, Inc. 5 LA Financial Federal Credit Union 5 LOS ANGELES COUNTY DEPARTMENT OF MENTAL HEALTH 5 Metropolitan Life Insurance Company 5 Seneca Family of Agencies 5 The Prudential Insurance Company of America 5 The Union Labor Life Insurance Company 5 Anthem Blue Cross 4 California Department of Public Health 4 Delaware Life Insurance Company 4 Fidelity National Information Services, Inc. 4 HSBC Bank USA, National Association 4 Humana, Inc. 4 Jackson Lewis PC 4 Kaiser Foundation Health Plan, Inc. 4 L.A. Care Health Plan 4 Mt. Diablo Unified School District 4 Navvis & Company, LLC 4 New York Life Insurance Company 4 Pension Benefit Information, LLC 4 Rite Aid Corporation 4 SAFE CREDIT UNION 4 SitusAMC Holdings Corporation 4 Southeast Series of Lockton Companies, LLC (Lockton) 4 Stanford University 4 The Northwestern Mutual Life Insurance Company 4 Welltok, Inc. - Filing on behalf of multiple entities; please see Exhibit 1. 4
Questions and answers How many California breach notices are on file? 5,364 notices are on file for California, tied to a confirmed, visible incident on Breach Census.
When does the California register on this site start? The earliest notice on file for California on Breach Census was reported in 2012.
What does the affected-resident count mean for a California notice? For a California notice, no affected-count is published on this register.
Where do these California notices come from? Notices are ingested directly from California's own breach-notification register at https://oag.ca.gov/privacy/databreach/list.