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Browse data breaches affecting California residents in 2026. Stay informed about security incidents and protect your personal information.
Showing 25 breaches affecting California
Discovered Oct 28, 2025
Liberty Bankers Life Insurance Company experienced a data breach in late 2025 that was publicly reported in March 2026, impacting over 21,000 individuals.
You may be entitled to compensation
Discovered Oct 20, 2025
Goosehead Insurance Agency, LLC experienced a data breach in late 2025 or earlier, leading to multiple lawsuits. The full scope of the breach, including affected individuals and specific data types, is not yet publicly confirmed.
You may be entitled to compensation
Discovered Oct 19, 2025
North East Medical Services experienced a data breach in late 2025/early 2026, impacting over 91,000 individuals due to unauthorized access to a third-party vendor's network.
You may be entitled to compensation
Discovered Oct 9, 2025
Wisner Baum LLP experienced a data breach in October 2025, confirmed by the company and state regulators, affecting 3,154 individuals.
You may be entitled to compensation
Discovered Oct 6, 2025
Nobu Restaurant Group Holding Company, LLC experienced a data breach in October 2025, with ransomware group Akira claiming responsibility.
You may be entitled to compensation
Discovered Oct 2, 2025
Friends of Family Health Center experienced a data breach in late 2025 due to a vendor's security incident, potentially exposing sensitive patient data.
You may be entitled to compensation
Discovered Oct 2, 2025
Mendocino Community Health Clinic experienced a data breach in October 2025 that compromised the sensitive personal and protected health information of over 3,500 individuals.
You may be entitled to compensation
Discovered Oct 2, 2025
Santa Cruz Community Health experienced a data breach in 2025 due to a vendor incident, potentially exposing sensitive personal and health information.
You may be entitled to compensation
Discovered Oct 1, 2025
GlobalLogic Inc., a subsidiary of Hitachi Group, experienced a data breach in Q4 2025 as a result of a third-party vendor attack targeting Oracle EBS customers.
Discovered Sep 30, 2025
Outcomes One, Inc. experienced a data breach in 2025, leading to multiple class action lawsuits, though specific details of the breach are not publicly confirmed by the company or regulators.
You may be entitled to compensation
Discovered Sep 17, 2025
Wellcare Health Insurance Company and its vendor Insightin Health experienced a data breach in late 2025 related to Insightin's file-transfer environment.
Discovered Sep 1, 2025
Southern Graphics Inc. experienced a data breach in 2025, confirmed by multiple class action lawsuit filings.
You may be entitled to compensation
Discovered Sep 1, 2025
Cornwell Quality Tools is facing multiple lawsuits regarding a data breach in 2025. The Attorney General of California also confirmed the breach, though specific details like affected individuals or compromised data types remain undisclosed.
You may be entitled to compensation
Discovered Sep 1, 2025
Belkorp Ag, LLC experienced a data breach in 2025, leading to litigation.
You may be entitled to compensation
Discovered Aug 14, 2025
The Industrial Credit Union of Whatcom County was affected by the 2025 Marquis Software Solutions data breach, which compromised sensitive personal information of its customers.
Discovered Aug 13, 2025
Pyramid Global Hospitality, a hotel management company, experienced a data breach in 2025 affecting individuals in AT LEAST California, Massachusetts and Oregon, with consumer notices sent in early 2026.
You may be entitled to compensation
Discovered Aug 13, 2025
Pyramid Advisors Limited Partnership d/b/a Pyramid Global Hospitality reported a data breach dated August 13, 2025. Massachusetts records list 9,141 affected residents in that state, while the total across all affected states is unknown.
You may be entitled to compensation
Discovered Aug 12, 2025
OneDigital Investment Advisors, an SEC-registered investment adviser, experienced a data breach in 2025 affecting over 28,000 individuals, due to unauthorized access to third-party platforms Salesforce and Drift.
You may be entitled to compensation
Discovered Aug 9, 2025
The Estée Lauder Companies experienced a data breach in 2025 involving their Oracle E-Business Suite, affecting individuals in at least Texas and Massachusetts.
Discovered Aug 9, 2025
Bimbo Bakeries USA experienced a data breach in 2025 involving its Oracle E-Business Suite, exposing personal information of 4,345 individuals.
You may be entitled to compensation
Discovered Aug 8, 2025
Kovack Financial, LLC experienced a data breach in 2025-2026, impacting at least 1,956 individuals in Massachusetts and Vermont.
You may be entitled to compensation
Discovered Aug 1, 2025
Marquis Software Solutions experienced a data breach in 2025 where an unauthorized third party accessed its network.
You may be entitled to compensation
Discovered Jul 28, 2025
Tieu Dental experienced a data breach in March 2026 involving unauthorized access to its network.
You may be entitled to compensation
Discovered Jul 27, 2025
360training.com, Inc. d/b/a Mortgage Educators and Compliance experienced a data breach in 2025 affecting approximately 24,594 individuals in the US, with notification sent in February 2026.
Discovered Jul 11, 2025
Fishman, Larsen & Callister, P.C. experienced a data breach in July 2025, which involved an Everest ransomware attack and a reported "full leak" of data.
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