Official Case FileIL · Dec 4, 2025

UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM Data Security Incident

Investigation Open

Reported to the IL Attorney General on December 4, 2025.

IL residents may qualify for compensation. Free attorney review — no obligation, no upfront cost.

Check My Rights →
§ I

About This Security Incident

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 4, 2025.

The University of Illinois Hospital and Health Sciences System (UI Health) operates as a prominent academic medical center and healthcare provider in Illinois, delivering comprehensive clinical care, medical education, and advanced biomedical research. As a major integrated health system, UI Health manages vast quantities of highly sensitive Protected Health Information (PHI) and Personally Identifiable Information (PII) for hundreds of thousands of patients, students, employees, and research participants. This repository of data includes comprehensive electronic health records, detailed clinical histories, insurance billing details, and foundational personal credentials necessary for healthcare administration, patient treatment coordination, and medical billing operations. In 2025, official disclosures submitted to the Illinois Attorney General revealed that UI Health experienced a significant cybersecurity incident, compromising the security of its digital network and exposing sensitive individual records. Healthcare institutions remain prime targets for sophisticated cybercriminal syndicates, ransomware operators, and malicious actors due to the immense black-market value of medical data and the critical, time-sensitive nature of clinical operations. Incidents of this magnitude typically involve unauthorized access to internal databases, deployment of malicious encryption software, or the compromise of third-party vendor systems integrated into hospital administrative and clinical workflows, leading to the exfiltration of confidential files. The exposure of health system data introduces severe and lasting risks to affected individuals, far transcending standard commercial data breaches. Compromised information within this ecosystem frequently includes full names, dates of birth, Social Security numbers, medical record numbers, health insurance policy details, and clinical diagnosis or treatment information. When malicious actors obtain medical and diagnostic histories alongside core identity markers, victims face heightened threats of medical identity theft—where unauthorized parties obtain care under a victim's name—as well as insurance fraud, targeted phishing scams, financial account takeover, and fraudulent tax filings that can disrupt an individual's financial and personal stability for years. Under federal and state law, including 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, healthcare providers have a strict legal duty to implement robust administrative, physical, and technical safeguards to protect electronic PHI and consumer PII. The occurrence of a widespread data breach strongly indicates potential failures in network segmentation, vulnerability patch management, employee cybersecurity training, or continuous intrusion monitoring. Under applicable privacy and consumer protection statutes, organizations that fail to maintain adequate security controls may be held legally accountable for negligence and breach of implied contract. 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 data security practices. Legally, this notification establishes the necessary standing to participate in a class action lawsuit aimed at securing financial compensation for out-of-pocket expenses, time spent mitigating fraud risks, and the loss of privacy. Affected individuals should note that proving actual financial loss is not required to join a class action investigation or file a claim. Our firm handles these complex healthcare data privacy cases on a contingency fee basis, meaning you pay no out-of-pocket costs or legal fees unless we successfully recover compensation on your behalf.
§ II

Case Facts & Filing Record

State Filed
IL
Date Reported to AG
Dec 4, 2025
Date of Breach
Not disclosed
Records Affected
Not disclosed
Filing 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 InformationProvider and Treatment Dates
§ III

Risk Analysis — Exposed Data

Based on the data types reported in this filing, affected individuals face the following specific risks:

Identity Theftcritical

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

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

§ IV

Were You Affected?

Under the Illinois Personal Information Protection Act (PIPA), you may have a legal claim against UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM if any of the following apply:

  • 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

Applicable law: This breach was reported under the Illinois Personal Information Protection Act (PIPA), which establishes your right to seek damages from UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM.

§ V

Your Rights as a Victim — Compensation Available

01
Lost Time & Remediation Costs

The hours spent responding to a data breach — canceling accounts, contacting credit bureaus, updating passwords, and investigating fraud — represent compensable economic harm in data breach litigation.

02
Identity Theft Protection Costs

Once your SSN is exposed, protection becomes an ongoing expense. Plaintiffs in data breach settlements have recovered costs for credit freezes, identity protection subscriptions, and time spent dealing with fraudulent accounts — sometimes covering multiple years of exposure.

03
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.

04
Statutory Minimum Damages

Several state data breach laws provide for statutory minimum damages — fixed amounts recoverable per affected individual regardless of actual loss. These provisions exist specifically to make legal action viable for victims who have not yet experienced direct harm.

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.

§ VI

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.

Received a notification letter from UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM?

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

Read Letter Guide →
§ VII

Submit Your Free Case Review

If you were affected by the UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM data breach, you may be entitled to compensation. Submit your information below for a free attorney review — no obligation, no upfront cost.

Tell Us About Your Notice Letter

Received a data breach notification letter? Fill out the form — an attorney will review your mailing and contact you. No cost, no obligation.

Start typing to find a matching case, or enter a company not yet listed.

Attach a copy of your data breach notification letter. Accepted: PDF, JPG, PNG — max 10 MB.

No attorney-client relationship is created by submitting this form. Attorney Advertising.

Source: State Attorney General filing, IL

View Official AG Filing →

UNIVERSITY OF ILLINOIS HOSPITAL AND HEALTH SCIENCES SYSTEM breach?

Free case review · No fee unless you win

Call Now