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Michigan Data Breaches — Page 2
Browse data breaches affecting Michigan residents in 2026. Stay informed about security incidents and protect your personal information.
Showing 17 breaches affecting Michigan
Michigan Sugar Company
Discovered Jan 30, 2026
Michigan Sugar Company experienced a data breach in August 2025, which led to consumer notifications on January 30, 2026.
Nissan Investigates 910GBand Extortion
Discovered Jan 15, 2026
Nissan North America investigated a data breach in 2026 after a ransomware group claimed to have exfiltrated 910GB of data, leading to the exposure of personal and sensitive information for over 220,000 individuals in the US.
You may be entitled to compensation
Avis Rent A Car System LLC
Discovered Jan 15, 2026
Avis Rent A Car System LLC experienced a data breach in early 2026, potentially affecting approximately 500,000 individuals.
You may be entitled to compensation
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
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
Mid Michigan Medical Billing Service
Discovered Jan 1, 2026
Mid Michigan Medical Billing Service reported a data breach in January 2026 affecting over 28,000 individuals.
You may be entitled to compensation
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.
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
Reproductive Medicine Associates of Michigan
Discovered Oct 22, 2025
Reproductive Medicine Associates of Michigan experienced a data breach in late 2025 involving unauthorized access to network files containing protected health information and personally identifiable information.
You may be entitled to compensation
CoVantage Credit Union
Discovered Aug 14, 2025
CoVantage Credit Union experienced a data breach in 2025 due to a vendor incident, the full impact of which is still being determined.
You may be entitled to compensation
Oracle Health
Discovered Jan 22, 2025
Oracle Health (formerly Cerner Corporation) experienced a data breach in January 2025 that affected Baptist Health South Florida and other healthcare providers, exposing patient data.
You may be entitled to compensation
Southeast Series of Lockton Companies, LLC
Discovered Nov 20, 2024
The Southeast Series of Lockton Companies, LLC data breach was discovered on November 20, 2024, and regulator records identify the incident as affecting approximately one million people. Reported data types include names, dates of birth, Social Security numbers, health information, and medical information.
You may be entitled to compensation
Centers for Medicare & Medicaid Services
Discovered Nov 5, 2024
A data incident involving Medicare.gov accounts operated by the Centers for Medicare & Medicaid Services (CMS) may have impacted approximately 103,000 Medicare beneficiaries, not Aetna, with notifications sent in 2023 or 2024.
Healthcare Services Group, Inc
Discovered Sep 1, 2024
Healthcare Services Group, Inc. experienced a data breach in 2024 that impacted over 624,000 individuals across 48 U.S. states.
You may be entitled to compensation
Landmark Admin, LLC
Discovered May 13, 2024
Landmark Admin, LLC experienced a 2024 data breach affecting approximately 1.6 million people. Reported exposed information included Social Security numbers and financial information; the incident involved Landmark Admin’s administration of information for Liberty Bankers Insurance Group and Accendo Insurance Company.
Medusind, Inc.
Discovered Dec 29, 2023
Medusind, Inc. experienced a regulator-confirmed data breach on December 29, 2023, involving personal, medical, insurance, payment, and government-identification information. The number of affected individuals has not been publicly identified in the sources reviewed.
Trinity Health
Discovered Oct 1, 2023
Trinity Health experienced a potential data breach in March 2026, which may have exposed patient identifiers and clinical information.
You may be entitled to compensation
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