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Illinois Data Breaches — Page 2
Browse data breaches affecting Illinois residents in 2026. Stay informed about security incidents and protect your personal information.
Showing 25 breaches affecting Illinois
American Vintage Home, Briggs Plumbing Products, Genco Manufacturing, American Vintage Hom...
Discovered Apr 3, 2026
American Vintage Home, Briggs Plumbing Products, Genco Manufacturing, and Associates of Clifton Park experienced a data breach in April 2026 due to an Akira ransomware attack.
northstarmetal.com
Discovered Apr 2, 2026
Northstar Metal Products experienced a data breach in April 2026, claimed by the DragonForce ransomware group.
Southern IL Dermatology
Discovered Apr 2, 2026
Southern Illinois Dermatology experienced a data breach in November 2025 affecting over 160,000 individuals.
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Discovered Mar 17, 2026
Stevent Bail Bonds experienced a data breach in late 2025, which was publicly disclosed in early 2026, impacting over a million individuals.
You may be entitled to compensation
Steve Quick Jeweler
Discovered Mar 16, 2026
Steve Quick Jeweler experienced a data breach in March 2026 due to a ransomware attack by the Akira group.
Eyemart Express
Discovered Mar 10, 2026
Eyemart Express experienced a ransomware data breach in March 2026, impacting individuals across 42 states.
You may be entitled to compensation
Tenable Confirmsin Widespread Salesloft Supply-Chain
Discovered Mar 5, 2026
Tenable, a cybersecurity company, confirmed a data breach in March 2026 as part of a widespread supply-chain attack involving Salesloft.
You may be entitled to compensation
Insight Hospital and Medical Center Chicago
Discovered Feb 28, 2026
Insight Hospital and Medical Center Chicago experienced a data breach between August and September 2025, involving unauthorized access to patient data, which was publicly reported around February 2026.
You may be entitled to compensation
CarGurus, Inc.
Discovered Feb 24, 2026
CarGurus, Inc. experienced a data breach in February 2026, reportedly compromising the data of millions of user accounts and corporate records.
wjnklaw.com
Discovered Feb 23, 2026
Westervelt, Johnson, Nicoll & Keller, LLC, a law firm based in Peoria, Illinois, experienced a LockBit 5.0 ransomware attack in early 2026.
Strategic Investment Solutions Inc.
Discovered Feb 12, 2026
Strategic Investment Solutions Inc. experienced a data breach in late 2025/early 2026, where personal information, including Social Security numbers, may have been compromised.
Mobexly Breached: 24 GB Data is For Sale
Discovered Feb 8, 2026
Mobexly, a U.S.-based mobile app platform provider, experienced a data breach in February 2026 where 24 GB of data was stolen and offered for sale.
You may be entitled to compensation
1st MidAmerica Credit Union
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
Continental Casualty Company
Discovered Jan 30, 2026
Continental Casualty Company (CNA) experienced a cybersecurity incident in October 2024 that was discovered in January 2025, potentially affecting thousands of individuals.
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
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
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
Southern Illinois Dermatology
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
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.
Orthopaedic Institute of Western Kentucky
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
Erie Family Health Centers
Discovered Dec 10, 2025
Erie Family Health Centers experienced a data breach in late 2025/early 2026, impacting approximately 570,000 individuals in Illinois.
You may be entitled to compensation
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
OB-GYN Associates
Discovered Nov 24, 2025
Southern Illinois Ob-Gyn Associates experienced a data breach in 2026, affecting 38,700 patients.
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
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