> Cause not stated in filing
ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO data breach investigation
Ann & Robert H. Lurie Children’s Hospital of Chicago officially reported a data security incident to the Illinois Attorney General in December 2025, confirming unauthorized access to its systems. This event means personal information held by the hospital may have been exposed, prompting affected individuals to review the implications for their data.
- Filed
- December 4, 2025
- Regulator
- Illinois AG
- People affected
- Not stated
- File status
- Investigation Open
What the filing confirms
- ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO reported the incident to the Illinois Attorney General.
Still unknown
- Which categories of personal information were taken. The filing does not list them.
- How many people were affected. The filing does not give a number.
- What caused the incident beyond the description in the filing.
- How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.
Investigation notes
Ann & Robert H. Lurie Children’s Hospital of Chicago has acknowledged a data security incident, confirming to the Illinois Attorney General on December 4, 2025, that unauthorized parties gained access to its systems. For those who received a notification letter, this confirms your personal information was potentially involved in the breach at a prominent pediatric healthcare provider.
The official report did not specify the exact types of data compromised during this unauthorized access. However, given the nature of the institution, hospitals typically collect a broad range of sensitive personal information for patient care, billing, and administrative purposes. This means that if you received a letter, your data, whatever its specific form, was part of the breach.
Understanding the scope of access and the specific duration the unauthorized party had within the hospital's systems is a key aspect of our ongoing investigation. The hospital’s responsibility includes not only safeguarding your data but also providing timely and transparent notification regarding any security failures that may have led to such an incident.
If you received a data breach notification from Ann & Robert H. Lurie Children’s Hospital of Chicago, it is important to take proactive steps. Carefully read the notification letter for any specific guidance the hospital has provided. Additionally, consider monitoring your financial accounts and other personal statements for unusual activity, and be cautious of unsolicited communications that might attempt to leverage your compromised information.
Such incidents underscore the critical need for robust data security measures, especially for organizations entrusted with sensitive personal information. When unauthorized access occurs, it raises questions about whether appropriate safeguards were in place and if the company met its legal obligations to protect your data. If negligence is established, affected individuals may have legal avenues to pursue.
We are currently investigating the circumstances surrounding this data security incident at Ann & Robert H. Lurie Children’s Hospital of Chicago. If you are among those affected and have questions about your rights or potential legal recourse, we invite you to contact us for a free case review.
What our attorneys examine
A cyberattack does not excuse a company from protecting the information it holds. We look at whether ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in Illinois.
ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO data breach questions
- Is the ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO data breach letter legit or a scam?
- A notice from ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO in the mail matches the breach ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO reported to the Illinois Attorney General on December 4, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO through a phone number or website you find yourself.
- Did ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO offer free credit monitoring?
- Check your letter from ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Using the free service won't stop you from joining a lawsuit or settlement later.
- Is there a ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO data breach class action lawsuit?
- Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
- What should I do after getting the ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO data breach notice?
- Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
- Do I need a ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO data breach lawyer or attorney?
- An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.
- Can I sue ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO over the data breach?
- It depends on what was exposed, the law in Illinois and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
- How much could a ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO data breach settlement or claim be worth?
- There is no set amount, and no ANN & ROBERT H. LURIE CHILDREN’S HOSPITAL OF CHICAGO settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Other open files in Illinois
- The University Of Illinois College Of Medicine - ChicagoIllinois Attorney General · Filed July 14, 2026Count not stated
- Abbott Cancer Diagnostics (Formerly Known As Exact Sciences)Illinois Attorney General · Filed July 8, 2026Count not stated
- Aspire Rural Health SystemIllinois Attorney General · Filed July 7, 2026Count not stated
- EVERSANA LIFE SCIENCES SERVICESIL Attorney General · Filed June 30, 2026Count not stated
- EVERSANA LIFE SCIENCES SERVICESIllinois Attorney General · Filed June 30, 2026Count not stated
- EduPath Learning PlatformIllinois Attorney General · Filed June 25, 202678,000 affected
Attorney advertising. An incident file reflects a public regulator filing and our review of it; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.