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UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM Data Breach — Official Case File

IL filing|Reported Dec 11, 2025|8 data types exposed

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Quick Facts

State Filed
IL
Date Reported to AG
Dec 11, 2025
Date of Breach
Not disclosed
Records Affected
Not disclosed
Status
Investigation Open
Last Updated
Oct 5, 2026
Data Types Exposed
Full NameDate of BirthSocial Security NumberMedical Record NumberHealth Insurance ID NumberDiagnosis and Treatment InformationPrescription InformationHome Address and Contact Information

How the Breach Occurred

UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM was the subject of a data breach notification filed with the IL Attorney General. The AG filing was recorded on December 11, 2025.

From the AG filing description

The University of Illinois Hospital and Health Sciences System, commonly known as UI Health, operates as a prominent academic medical center and healthcare provider in Illinois. Serving hundreds of thousands of patients annually, the institution integrates patient care, medical education, and biomedical research into a comprehensive regional health network. Because of its core mission, UI Health collects, processes, and maintains vast repositories of highly sensitive information. This includes comprehensive electronic health records, detailed billing histories, clinical trial data, insurance verification documents, and administrative records for both patients and staff, making it a critical repository of deeply personal data. In 2025, the University of Illinois Hospital and Health Sciences System reported a significant data security incident to the Illinois Attorney General. While the full mechanics of the intrusion continue to be evaluated, healthcare sector breaches of this nature typically involve sophisticated cyberattacks such as ransomware deployments, unauthorized external intrusions into legacy hospital databases, or vulnerabilities within third-party medical billing and IT vendor ecosystems. Attackers increasingly target healthcare networks specifically because the sheer volume of interconnected systems and real-time patient data creates fertile ground for exfiltration and extortion. The exposure resulting from a healthcare system breach carries severe, long-term risks for affected individuals. Compromised data sets frequently encompass full names, dates of birth, Social Security numbers, medical record numbers, health insurance policy details, diagnostic summaries, and prescription records. Unlike transient financial credentials, immutable medical and identity data cannot simply be cancelled or replaced. When health-related data is exposed, victims face heightened risks of medical identity theft—where unauthorized actors fraudulently obtain medical services, alter treatment histories, or submit fraudulent claims to insurers—alongside traditional financial fraud, tax refund theft, and targeted phishing schemes leveraging intimate details about a victim's health status. As a covered entity operating a major healthcare system, the University of Illinois Hospital and Health Sciences System is bound by stringent federal and state legal mandates, most notably the Health Insurance Portability and Accountability Act (HIPAA), the Health Information Technology for Economic and Clinical Health (HITECH) Act, and the Illinois Personal Information Protection Act. These regulations require healthcare institutions to implement robust administrative, physical, and technical safeguards, including continuous network monitoring, data encryption, strict access controls, and regular risk assessments. The occurrence of a widespread data breach strongly suggests a potential failure in maintaining these mandatory security standards, leaving confidential patient and employee records vulnerable to external exploitation. Receiving a formal data breach notification letter from the University of Illinois Hospital and Health Sciences System serves as an official acknowledgment that your private information was compromised due to inadequate institutional safeguards. Legally, this notification establishes the standing required to participate in class action litigation against the responsible entity. Victims do not need to prove that they have already suffered actual financial loss or direct medical fraud to seek legal redress; the increased risk of future harm and the forced expenditure of time and money on credit monitoring are sufficient. Our firm handles these complex data privacy cases on a contingency fee basis, meaning there are never any out-of-pocket costs or upfront fees unless we successfully recover compensation on your behalf.

Exposed Data — What's at Risk

Based on the data types reported in this filing:

Identity Theftcritical risk

Your SSN is the master key to your identity. Once exposed, criminals can open new lines of credit, take out loans, or file taxes in your name.

Identity Verification Bypassmedium risk

Combined with a name and other leaked data, date of birth helps criminals pass identity verification questions at banks and government agencies.

Check Your Eligibility

You may have been affected by the UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM data breach if:

  • You received a written data breach notification letter from UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM
  • You are or were a customer, patient, or employee of UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM
  • Your information was held by UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM in IL
  • Your protected health information was stored in the compromised system

Federal & State Protections

Common categories of compensation in data breach class actions

Time & Inconvenience

Courts recognize that the time spent monitoring accounts, placing credit freezes, and dealing with the aftermath of a breach has real economic value. This category of damages is recoverable even without direct financial loss.

Credit Monitoring & Identity Restoration

Professional credit monitoring services cost $10–$40 per month. Identity theft restoration services, if needed, can cost hundreds of hours and thousands of dollars. Courts have awarded these costs as direct damages in SSN breach cases.

HIPAA Statutory Damages

HIPAA violations carry civil penalties between $100 and $50,000 per violation. Where a healthcare organization's negligence led to the exposure of protected health information, class members may recover statutory damages in addition to actual losses.

Emotional Distress

Data breach victims regularly report anxiety, loss of sleep, and ongoing fear of identity theft. These non-economic harms are cognizable injuries in data breach litigation, particularly in cases involving SSN or medical record exposure.

Note: an attorney general breach filing does not by itself establish a settlement fund, a payment amount, or a claim deadline. If an official settlement notice is later issued, rely on that notice for payment details and deadlines.

Applicable State Law

This breach was reported under the Illinois Personal Information Protection Act (PIPA), which mandates notification and establishes your right to seek damages.

Frequently Asked Questions

Do I need proof that my data was misused to file a claim against UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM?

No. Under Illinois Personal Information Protection Act (PIPA) and federal law, the unauthorized exposure of your personal data — regardless of whether it has been actively misused — can be sufficient grounds for a claim. The breach itself is the injury.

How much does filing a claim cost?

Nothing. The Law Office of David S. Harris handles data breach cases on contingency — you pay zero upfront and owe nothing unless compensation is recovered.

My Social Security Number was exposed. What should I do right now?

Immediately place a free credit freeze at all three bureaus (Equifax, Experian, TransUnion). A freeze blocks new accounts from being opened in your name. Then file a complaint with the FTC at IdentityTheft.gov and contact our office — SSN exposure is one of the most serious breach types.

Does HIPAA give me additional rights in the UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM breach?

If UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM is a covered healthcare entity or business associate under HIPAA, affected patients have additional rights — including the right to an HHS complaint. These HIPAA violations also strengthen civil damages claims. Consult an attorney to understand your full remedies.

Is it too late to file a claim?

Statutes of limitations for data breach claims vary by state but typically run 2–4 years. Depending on when you learned of the breach, you may still have time. Contact our office for a free eligibility review — there is no cost to find out.

What if UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM offered me free credit monitoring after the breach?

Accepting free credit monitoring from UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM does not waive your right to pursue legal action unless you signed a specific release waiving claims. In most cases, victims who accepted monitoring can still file.

Do I need to have received a notice letter to be eligible?

Not necessarily. Many data breach victims are never notified directly. If your personal information was held by UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM during the relevant period, you may still qualify even without receiving a letter. A free eligibility review can confirm your status.

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Read our dedicated guide — what the letter means and what to do.

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This case file references a public filing made with the state filing in IL. This website is not affiliated with, endorsed by, or operated by any state government agency.

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