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    California Data Breaches — Page 21

    Browse data breaches affecting California residents in 2026. Stay informed about security incidents and protect your personal information.

    Showing 25 breaches affecting California

    Investigation Open
    Banking
    ⭐ Priority
    High

    Hightower Holding, LLC

    Discovered Jan 8, 2026

    Hightower Holding, LLC experienced a data breach in January 2026 affecting approximately 131,483 individuals.

    You may be entitled to compensation

    Investigation Open
    Hospitality
    ⭐ Priority
    High

    Panera, LLC

    Discovered Jan 5, 2026

    Panera, LLC experienced a data breach in January 2026, which exposed personal information of approximately 5.1 million customers nationwide.

    You may be entitled to compensation

    Investigation Open
    Other
    High

    Rockrose Development L.L.C.

    Discovered Jan 1, 2026

    Rockrose Development L.L.C. experienced a data breach in 2026, leading to legal action.

    You may be entitled to compensation

    Banking
    High

    New American Funding, LLC

    Discovered Jan 1, 2026

    A data breach involving New American Funding, LLC was reported in 2026, though specific details remain unclear and research did not confirm a breach affecting this entity in that year.

    Investigation Open
    Healthcare
    ⭐ Priority
    High

    CardioFit Medical Group, Inc.

    Discovered Jan 1, 2026

    CardioFit Medical Group, Inc. experienced a data breach in early 2026 involving the unencrypted email transmission of patient information affecting approximately 7,243 individuals.

    You may be entitled to compensation

    Investigation Open
    Healthcare
    ⭐ Priority
    High

    OpenLoop Health, Inc.

    Discovered Jan 1, 2026

    OpenLoop Health experienced multiple data breaches in 2026 and potentially 2025, affecting an estimated 1.6 million patients in one incident and 68,160 in another.

    You may be entitled to compensation

    Transportation
    ⭐ Priority
    Low

    Chrysler

    Discovered Dec 26, 2025

    Chrysler experienced a data breach in late 2025, with the Everest ransomware group claiming to have stolen over 1TB of data affecting customers nationwide.

    Investigation Open
    Healthcare
    ⭐ Priority
    Medium

    QualDerm Partners

    Discovered Dec 23, 2025

    QualDerm Partners experienced a data breach in late 2025 where an unauthorized actor exfiltrated patient data, leading to notifications in February 2026.

    You may be entitled to compensation

    Investigation Open
    Banking
    ⭐ Priority
    High

    SAFE Credit Union

    Discovered Dec 22, 2025

    SAFE Credit Union experienced a data breach in January 2026, leading to the compromise of personal information for approximately 120,000 members.

    You may be entitled to compensation

    Investigation Open
    Healthcare
    ⭐ Priority
    High

    Navia Benefit Solutions, Inc.

    Discovered Dec 22, 2025

    Navia Benefit Solutions, Inc. experienced a data breach in late 2025/early 2026, impacting approximately 2.7 million individuals.

    You may be entitled to compensation

    Investigation Open
    Other
    High

    Ahtna, Inc.

    Discovered Dec 19, 2025

    A data breach involving Ahtna, Inc. was reported by the California Attorney General, though specific details remain undisclosed as of 2025. This notice indicates a potential incident affecting individuals.

    You may be entitled to compensation

    Investigation Open
    Healthcare
    ⭐ Priority
    Medium

    Petaluma Health Center

    Discovered Dec 15, 2025

    Petaluma Health Center experienced a data breach in 2025 due to a ransomware attack affecting approximately 125,000 individuals.

    You may be entitled to compensation

    Investigation Open
    Healthcare
    ⭐ Priority
    Medium

    Winters Healthcare

    Discovered Dec 15, 2025

    Winters Healthcare reported a data breach in late 2025, stemming from a third-party vendor incident that exposed patient information.

    You may be entitled to compensation

    Investigation Open
    Technology
    ⭐ Priority
    High

    Eisen, Inc.

    Discovered Dec 12, 2025

    Eisen, Inc., a New York-based financial technology company, experienced a data breach in December 2025.

    You may be entitled to compensation

    Investigation Open
    Other
    ⭐ Priority
    High

    IMA Diligence Services, LLC

    Discovered Dec 8, 2025

    IMA Diligence Services, LLC reported a data breach in late 2025 where a third-party server compromise exposed the personal information of over 525,000 individuals.

    You may be entitled to compensation

    Investigation Open
    Healthcare
    ⭐ Priority
    Medium

    Evergreen Healthcare Group

    Discovered Dec 3, 2025

    Evergreen Healthcare Group experienced a data breach in late 2025, discovered December 3, 2025.

    You may be entitled to compensation

    Investigation Open
    Healthcare
    ⭐ Priority
    High

    Everside Health

    Discovered Dec 2, 2025

    Everside Health experienced a data breach in late 2025 involving a third-party vendor, Aesto, LLC, which exposed protected health information for an unquantified number of individuals nationwide.

    You may be entitled to compensation

    Investigation Open
    Healthcare
    ⭐ Priority
    Medium

    Nephrology Associates Medical Group

    Discovered Dec 2, 2025

    Nephrology Associates Medical Group experienced a data breach in 2026, potentially exposing protected health information and personally identifiable information.

    You may be entitled to compensation

    Healthcare
    ⭐ Priority
    High

    Wilmington Community Clinic

    Discovered Dec 1, 2025

    Wilmington Community Clinic experienced a data breach in December 2025 that affected sensitive personal and health information.

    Investigation Open
    Healthcare
    ⭐ Priority
    High

    Delta Dental of Virginia

    Discovered Dec 1, 2025

    Delta Dental of Virginia experienced a data breach in December 2025 that was confirmed in 2026, affecting approximately 146,000 individuals.

    You may be entitled to compensation

    Retail
    ⭐ Priority
    High

    Petco Animal Supplies Stores, Inc.

    Discovered Dec 1, 2025

    Petco experienced a data exposure in late 2025/early 2026 involving customer personal information and pet medical documents via its Vetco Clinics website.

    Investigation Open
    Healthcare
    ⭐ Priority
    Medium

    Glendora Surgery Center

    Discovered Nov 29, 2025

    Glendora Surgery Center experienced a data breach in March 2026, compromising patient information.

    You may be entitled to compensation

    Investigation Open
    Banking
    ⭐ Priority
    Medium

    SitusAMC

    Discovered Nov 25, 2025

    SitusAMC experienced a data breach in November 2025.

    You may be entitled to compensation

    Investigation Open
    Healthcare
    ⭐ Priority
    High

    Vikor Scientific

    Discovered Nov 8, 2025

    Vikor Scientific experienced a data breach in 2025 that affected approximately 140,000 individuals due to a vendor incident at Catalyst RCM.

    You may be entitled to compensation

    Other
    Low

    CyPark

    Discovered Oct 31, 2025

    A data breach involving CyPark, TENAX, Matlusky, and CCI Tax Pros was reported in 2025, allegedly by the Black Shrantac ransomware group.

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