Search Data Security Breaches

California law requires a business or state or local agency to notify any California resident whose unencrypted personal information, as defined, was acquired, or reasonably believed to have been acquired, by an unauthorized person. (You can read the law here: California Civil Code s. 1798.29(a) for state agencies and California Civ. Code s. 1798.82(a) for businesses).

The law also requires that a sample copy of a breach notice sent to more than 500 California residents must be provided to the California Attorney General. Below is a list of those sample breach notices. (Note that in some cases the organization that sent the notice is not the one that experienced the breach. For example, a bank may notify of a credit card number breach that occurred not at the bank, but at a merchant.)

You can search by the name of the organization that sent the notice, or simply scroll through the list. To read a notice, click on the name of the organization in the list. Then click on the link titled "Sample Notification."

Download Full Data Breach List (CSV)

Organization Name Date(s) of Breach Reported Date
Apollo Management Holdings, L.P. 07/06/2026 08/20/2026
Silver Summit Medical Corporation 11/27/2025 08/19/2026
Apple American Group LLC and Apple American Group II, LLC 04/08/2026, 04/09/2026 08/18/2026
Merced Union High School District 08/11/2025 08/17/2026
Terry J. Dubrow, MD, A Medical Corporation n/a 08/13/2026
Boston Healthcare for the Homeless Program 10/31/2025 08/07/2026
American Addiction Centers 05/12/2026 08/07/2026
Fresno County Department of Social Services 08/26/2025 07/28/2026
BAYADA Home Health Care, Inc. 03/02/2026 07/17/2026
Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) 03/06/2026, 03/07/2026 07/13/2026
Wilmer Cutler Pickering Hale and Dorr LLP 05/08/2026 07/10/2026
Alta Orthopaedics Medical Group, Inc. 02/03/2026, 02/06/2026 07/08/2026
Kubota North America Corporation 03/16/2026, 04/20/2026 06/30/2026
Sierra Management Group n/a 06/29/2026
Medtronic Inc. 04/13/2026 06/29/2026
Nissan North America Inc. 05/27/2026, 06/09/2026 06/26/2026
Blank Rome LLP 05/21/2026 06/26/2026
Mercor.io Corporation 03/24/2026, 03/30/2026 06/25/2026
AssuranceAmerica Managing General Agency, LLC 03/16/2026, 03/17/2026 06/17/2026
Virta Medical PC 03/19/2026 06/12/2026
Los Angeles County Department of Public Social Services 01/02/2024 06/12/2026
American Future Technology Corporation d/b/a iBUYPOWER 06/21/2025, 06/18/2025 06/12/2026
Meta Platforms, Inc. 04/17/2026, 05/31/2026 06/05/2026
Plaza Home Mortgage, Inc. 02/17/2026 06/05/2026
Smith & James, CPAs 03/05/2026 05/28/2026
Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) 03/06/2026, 03/07/2026 05/28/2026
Interstate Management Company, LLC 11/19/2025, 11/22/2025 05/26/2026
Sacramento County 10/29/2025 05/22/2026
Lusamerica Foods 01/31/2026 05/18/2026
City of Port Hueneme n/a 05/15/2026
Lumexa Imaging 03/31/2026, 04/09/2026 05/15/2026
Cresset Capital Management 04/06/2026 05/14/2026
Las Lomitas Elementary School District 04/25/2026 05/11/2026
American Lending Center 07/24/2025, 07/26/2025, 07/27/2025, 07/30/2025 05/11/2026
MemberSource Credit Union 06/03/2025 05/08/2026
Horizon Media 01/09/2026 05/06/2026
Access Information Management Shared Services, LLC 08/12/2025, 08/13/2025, 08/14/2025, 08/15/2025, 08/16/2025, 08/17/2025 04/28/2026
Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) 03/06/2026, 03/07/2026 04/22/2026
Cloud Imperium Games 01/21/2026 04/21/2026
Ameriprise Financial, Inc. 03/02/2026 04/17/2026
City Health, a medical corporation 03/02/2026, 03/11/2026 04/14/2026
Community Psychiatry Management, LLC d/b/a Mindpath Health 11/25/2024 04/14/2026
Kloeckner Metals Corporation 02/17/2026, 02/23/2026 04/10/2026
BUENA VISTA MANAGEMENT SERVICES, LLC DBA Windward Life Care 12/08/2025 04/10/2026
CardioFit Medical Group, Inc. 01/08/2026, 01/09/2026, 01/18/2026, 01/22/2026, 02/05/2026 04/09/2026
OneDigital Investment Advisors LLC 08/12/2025 04/08/2026
DermCare Management 02/14/2025 04/08/2026
TIMEC Oil & Gas, Inc. n/a 04/02/2026
Mercer Advisors Inc. 01/22/2026, 01/25/2026 03/31/2026
Advantage Media Services LLC 09/08/2025, 09/09/2025 03/31/2026