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California Data Breaches — Page 13
Browse data breaches affecting California residents in 2026. Stay informed about security incidents and protect your personal information.
Showing 25 breaches affecting California
Advanced Psychiatry Associates
Discovered May 28, 2026
Advanced Psychiatry Associates experienced a data breach in May 2026, reportedly due to the Everest ransomware group.
You may be entitled to compensation
L&P Aesthetics
Discovered May 28, 2026
L&P Aesthetics, a US-based healthcare organization, experienced a ransomware attack in May 2026, though specific data breach statistics are not yet confirmed.
Interstate Management
Discovered May 27, 2026
Interstate Management Company, LLC experienced a data breach in 2026. This incident involved the exposure of personal information for approximately 22,743 individuals.
You may be entitled to compensation
Oncology Institute, Inc.
Discovered May 22, 2026
The Oncology Institute, Inc. experienced a data breach in May 2026 due to a third-party vendor incident, potentially compromising patient data.
Cardinal Services, Inc.
Discovered May 20, 2026
Cardinal Services, Inc., Cardinal Employer Organization, and Preferred Employer Solutions experienced a data breach in 2025 where personal information of approximately 142,323 individuals was exposed.
Southern California Univ. Health Sciences
Discovered May 20, 2026
Southern California University of Health Sciences experienced a data breach in March 2026 that affected 2,206 individuals.
Lusamerica
Discovered May 20, 2026
Lusamerica Foods, a California wholesale company, experienced a data breach in 2026 involving unauthorized access to its systems. Public details are limited, and the extent of affected individuals and specific data involved remain unclear.
You may be entitled to compensation
Southern California University of Health Sciences
Discovered May 19, 2026
Southern California University of Health Sciences experienced an external system data breach in early 2026, impacting over 2,200 individuals.
Los Angeles County Department of Public Social Services
Discovered May 19, 2026
The Los Angeles County Department of Public Social Services experienced a confirmed data breach first reported in May 2026.
You may be entitled to compensation
City of Port Hueneme
Discovered May 19, 2026
An alleged data breach impacting the City of Port Hueneme has been referenced in a California Attorney General's list, though details remain unconfirmed and publicly unavailable as of mid-2024.
Global Consulting Services & Software Development
Discovered May 18, 2026
Global Consulting Services & Software Development experienced a data breach between January 3 and January 7, 2026, impacting 1,320 individuals, including 3 Maine residents.
Family Health Centers of San Diego
Discovered May 15, 2026
Family Health Centers of San Diego is reportedly involved in a data breach investigation from 2026, though official confirmation is pending.
Fluke Corporation
Discovered May 14, 2026
Fluke Corporation experienced a data breach between August and October 2025, confirmed by a regulatory filing in May 2026.
You may be entitled to compensation
Avanti Windows & Doors
Discovered May 12, 2026
Avanti Windows & Doors, a vinyl window manufacturer, reportedly experienced a ransomware data breach on May 12, 2026.
rbh aerospace inc
Discovered May 11, 2026
RBH Aerospace Inc., a US-based manufacturing company, was reportedly impacted by a ransomware attack in May 2026, with data allegedly exfiltrated by the Incransom group.
American Lending Center
Discovered May 11, 2026
American Lending Center experienced a data breach in July 2025, confirmed in a notice sent to affected individuals in April 2026.
You may be entitled to compensation
Hogan Transportation Companies
Discovered May 11, 2026
Hogan Transportation Companies experienced a data breach in 2025, where certain personal information may have been involved, with notices sent to affected individuals starting in May 2026.
You may be entitled to compensation
Chaffey Joint Union High School District
Discovered May 9, 2026
Chaffey Joint Union High School District experienced a data breach in 2026, stemming from a vendor compromise of the Instructure Canvas platform.
You may be entitled to compensation
Blue Enterprises, Inc. dba Hogan Transports, Inc.
Discovered May 9, 2026
A data breach involving Blue Enterprises, Inc. dba Hogan Transports, Inc. was reported to the California Attorney General, but no specific details about the incident are publicly available as of 2024.
Bridgewater Law Group, APC
Discovered May 8, 2026
A data breach involving Bridgewater Law Group, APC was confirmed by the California Attorney General, but details regarding the incident remain unclear.
Take One Systems
Discovered May 8, 2026
A data breach impacting Take One Systems was confirmed by the California Attorney General, but details regarding the incident remain unclear.
Bayou Media Development, LLC
Discovered May 8, 2026
A data breach involving Bayou Media Development, LLC was reported to the California Attorney General, but no specific details about the incident are available as of May 2026.
Santa Rosa Community Health Centers
Discovered May 8, 2026
Santa Rosa Community Health Centers experienced a data breach in 2026 due to a third-party vendor incident.
Wilmer Cutler Pickering Hale and Dorr LLP
Discovered May 8, 2026
Wilmer Cutler Pickering Hale and Dorr LLP experienced a data breach on May 8, 2026, stemming from a social engineering incident.
You may be entitled to compensation
MedRevenu, LLC
Discovered May 8, 2026
MedRevenu, LLC has an undated data breach that was reported to the California Attorney General.
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