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Browse data breaches affecting Missouri residents in 2026. Stay informed about security incidents and protect your personal information.
Showing 19 breaches affecting Missouri
Discovered Jan 30, 2026
1st MidAmerica Credit Union experienced a data breach in 2025-2026 exposing personal information of over 130,000 individuals.
You may be entitled to compensation
Discovered Jan 22, 2026
A law firm announced an investigation into a potential 2026 data breach affecting Jordan Valley Community Health Center, though official confirmation is pending.
You may be entitled to compensation
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
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
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
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
Discovered Dec 28, 2025
Southern Illinois Dermatology experienced a data breach in late 2025, disclosed in early 2026, affecting approximately 45,000 individuals.
You may be entitled to compensation
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.
Discovered Dec 15, 2025
The Orthopaedic Institute of Western Kentucky experienced a data breach in late 2025/early 2026, leading to the exposure of personal health information and Social Security numbers for approximately 47,000 individuals.
You may be entitled to compensation
Discovered Dec 2, 2025
Aesto, LLC experienced a data breach in December 2025, potentially exposing patient data from its covered-entity clients.
You may be entitled to compensation
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
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 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
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
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.
Discovered Oct 21, 2024
Conduent Business Services, LLC experienced a data breach in 2024-2025 that was disclosed in early 2026, affecting over 62 million individuals.
You may be entitled to compensation
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
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.
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.
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