Home › States › CaliforniaCalifornia data breach notices 5,327 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 432 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 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 — San Bernardino County on behalf of Arrowhead Regional Medical Center 2026-09-28 — Upbound Group, Inc. 2026-09-27 — Gallagher Transport International Inc. 2026-09-25 — Kings United Way 2026-09-25 — MedImpact Healthcare Systems, Inc. 2026-09-25 — OneMain Financial Group, LLC 2026-09-25 — Financial Administrative Support Services 2026-09-25 — 5Star Life Insurance Company 2026-09-24 — Peña and Bromberg 2026-09-24 — Blanchard Training & Development, Inc. 2026-09-24 — NSE Insurance Agencies 2026-09-24 — HILT-Trust 2020-A and its underlying trusts and affiliates ("HILT") 2026-09-24 — Fairwinds Credit Union 2026-09-23 — Modoc Medical Center 2026-09-22 — Ethan Conrad Properties 2026-09-21 — Friesen Group 2026-09-21 — Ridgeway Pharmacy Ltd 2026-09-21 — Fun For Less Tours, Inc. 2026-09-21 — United Underwriters 2026-09-21 — The Office of the Los Angeles City 2026-09-18 — Seyfarth Shaw LLP 2026-09-18 — Opportune LLP 2026-09-18 — CallonDoc, Inc. 2026-09-17 — Partnership HealthPlan of California 2026-09-17 — Alliance Environmental Group, LLC 2026-09-15 — Tarter Krinsky & Drogin LLP 2026-09-15 — Leggett & Platt, Incorporated Employee Benefits Plan 2026-09-15 — Cambridge Mercantile Corp. (U.S.A.) 2026-09-14 — Paradigm Healthcare Services 2026-09-14 — Accela, Inc. 2026-09-14 — zHealth, Inc. 2026-09-11 — Suffolk Federal Credit Union 2026-09-11 — Cornerstone Staffing Solutions, Inc. 2026-09-11 — Catalyst Physician Group 2026-09-11 — Quatrro Business Support Services, Inc. 2026-09-09 — Greenberg Traurig, LLP (“GT”) 2026-09-09 — Hibbett Retail, Inc. 2026-09-08 —
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? 5,327 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.