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    Illinois Data Breaches — Page 4

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

    Showing 1 breaches affecting Illinois

    Investigation Open
    Healthcare
    ⭐ Priority
    High

    Hospital Sisters Health System

    Discovered Aug 16, 2023

    Hospital Sisters Health System experienced a regulator-confirmed data breach beginning August 16, 2023, involving accessed files that may have contained personal and health information. The number of affected individuals has not been publicly disclosed in the sources reviewed.

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