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
Yu Ming Charter School 05/22/2026 11/04/2026
Hoag Memorial Hospital Presbyterian 10/08/2026 11/04/2026
RevSpring, Inc. 05/15/2026, 06/01/2026 11/04/2026
Upland Unified School District 07/02/2026 11/03/2026
Center Theatre Group of Los Angeles 07/27/2026 11/03/2026
Peninsula Corridor Joint Powers Board (Caltrain) n/a 11/03/2026
Hippo Analytics Inc. 01/30/2025 11/03/2026
DreamHost, LLC 08/15/2026 11/02/2026
University of Mississippi Medical Center (“UMMC”) 02/11/2026, 02/19/2026 11/02/2026
Cotton Incorporated 09/18/2026, 10/15/2026 11/02/2026
EyeMed Vision Care, LLC 09/22/2026 10/30/2026
Baanx US Corp. 09/23/2026 10/30/2026
El Camino Health 08/26/2026, 09/02/2026 10/30/2026
The Nueva School 06/13/2026 10/30/2026
Aesto, LLC 12/02/2025, 12/18/2025 10/30/2026
NCH Corporation 01/21/2026, 02/25/2026 10/30/2026
Central Ohio Primary Care Physicians, Inc. (COPC) 08/17/2026, 08/25/2026 10/30/2026
Marathon Health 08/24/2026 10/29/2026
Revolve Group, Inc. 09/11/2026 10/29/2026
Blossom BH Opco Inc. n/a 10/29/2026
HCA Healthcare, Inc. 08/12/2026 10/29/2026
Bangkok Bank PCL - New York Branch 09/17/2025 10/29/2026
Del Monte Foods Corporation II Inc. 02/07/2026 10/29/2026
Photon Health 08/10/2026, 08/10/2026 10/28/2026
Troutman Pepper Locke LLP 08/07/2026 10/28/2026
Quantum Health, Inc. 05/29/2026, 06/01/2026 10/27/2026
Hitec Group USA 09/13/2026, 09/17/2026 10/27/2026
Tradier Brokerage Inc. 08/28/2026 10/27/2026
Indico Data Solutions 05/05/2026 10/27/2026
Directed Trust Company 07/04/2026, 07/07/2026 10/27/2026
Baker & McKenzie LLP 08/14/2026, 08/17/2026 10/27/2026
Sarasota US Topco, Inc. d/b/a Sarku Japan (“Sarku”) 09/07/2026 10/27/2026
Frontline Education 08/14/2026, 08/15/2026 10/26/2026
USForex Inc. 09/28/2026 10/26/2026
Apollo Management Holdings, L.P. 07/06/2026 10/23/2026
Navigate 360, LLC 11/21/2025 10/23/2026
BASS Medical Group 09/04/2026 10/22/2026
Dill Dill Carr Stonbraker & Hutchings, P.C. 10/22/2025 10/22/2026
Opportune LLP 06/22/2026 10/22/2026
Deposition Solutions, LLC (d/b/a Lexitas) 09/01/2019 10/22/2026
Dorsata, Inc. 08/10/2026, 08/12/2026 10/21/2026
Mercadien, P.C. CPAs 09/17/2025 10/20/2026
Toyo Tire Holdings of Americas Inc. 01/06/2026, 02/04/2026 10/20/2026
Alma Family Services 07/09/2026 10/19/2026
STS Aviation Group 08/05/2025 10/19/2026
Citizens Bank 09/10/2026 10/19/2026
Stitch Connect Inc 09/18/2026 10/18/2026
Frazer LLP 03/25/2025 10/16/2026
Covered California 05/13/2026 10/16/2026
Inner City Education Foundation 08/04/2024, 09/29/2024 10/16/2026