Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center data breach
Incident readout
- Company
- Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center
- Reported to
- Illinois Attorney General
- Filed
- February 24, 2025
- People affected
- Not stated in the filing
- Incident type in filing
- Not stated
- Our review
- Investigation Open
Was this a ransomware attack?
The filing does not say ransomware was involved. We do not label an incident ransomware unless the company’s report says so. Whatever the cause, the steps to protect yourself and the legal question are the same.
What we know
Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center operates as a specialized neurological healthcare provider within the broader Illinois medical ecosystem, offering advanced diagnostic, consultative, and therapeutic services for complex neurological conditions such as epilepsy, stroke, multiple sclerosis, and neurodegenerative disorders. Because specialized neurological care requires comprehensive patient histories, ongoing diagnostic imaging, detailed neurophysiological testing, and intricate pharmaceutical management, the facility routinely gathers and maintains highly intimate personal and medical documentation. This expansive repository of sensitive health data is essential for ongoing patient treatment and medical administration, but it simultaneously transforms the center into a high-value target for malicious cyber actors seeking to exploit confidential information. In 2025, Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center reported a significant data security incident to the Office of the Illinois Attorney General. While the full mechanics of the intrusion continue to be evaluated, breaches affecting specialized outpatient medical clinics typically involve sophisticated cyberattacks such as ransomware deployments, unauthorized entry into electronic health record (EHR) environments, or vulnerabilities within third-party administrative and billing vendors. In the healthcare sector, attackers frequently target legacy systems, misconfigured cloud databases, or unwary employees through targeted phishing campaigns to bypass perimeter defenses and exfiltrate vast quantities of proprietary patient files. The exposure resulting from this security failure encompasses a dangerous spectrum of personal identifying information (PII) and protected health information (PHI), including full names, dates of birth, Social Security numbers, medical record numbers, health insurance policy details, and granular clinical data relating to diagnoses, treatments, and prescriptions. The compromise of clinical and diagnostic data is particularly severe because it cannot be easily changed like a password or credit card number. When combined with Social Security numbers and financial data, exposed healthcare records expose victims to enduring risks of medical identity theft—where fraudsters obtain unauthorized care using a victim's insurance—as well as targeted financial fraud, tax refund scams, and intrusive phishing schemes that exploit a patient's specific medical conditions. As a covered entity handling protected health information, Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center was bound by strict regulatory mandates under the Health Insurance Portability and Accountability Act (HIPAA), the Health Information Technology for Economic and Clinical Health (HITECH) Act, and applicable Illinois consumer protection statutes. These legal frameworks require healthcare providers to implement robust administrative, physical, and technical safeguards, including comprehensive data encryption, multi-factor authentication, regular vulnerability assessments, and stringent vendor oversight. The occurrence of a data breach of this magnitude strongly suggests potential systemic failures in maintaining these mandatory security controls, raising serious questions about whether the facility met its legal duty of care to safeguard patient data. Receiving a formal data breach notification letter from Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center serves as legal confirmation that your confidential records were compromised as a direct result of the organization's inadequate security measures. Under Illinois law, the receipt of this notice establishes the legal standing necessary to participate in a class action lawsuit seeking accountability, institutional security reforms, and financial compensation for the stress and risks inflicted. Importantly, affected individuals do not need to prove that they have already suffered direct financial loss to seek legal recourse; the mere exposure of your sensitive medical and personal data is sufficient to take action. Our firm evaluates and litigates these cases on a strict contingency fee basis, meaning you pay nothing out of pocket and owe no legal fees unless we successfully recover compensation on your behalf.
See every breach reported in Illinois or read what to do after a ransomware attack.
After the Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center incident: what to do and your options
- What should I do after getting the Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center 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.
- Did Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center offer free credit monitoring?
- Any free monitoring Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Signing up doesn't waive any legal rights you may have.
- Can I sue Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center 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.
- Do I need a Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center data breach lawyer or attorney?
- Whether the company's systems were encrypted by ransomware or data was simply taken, the legal question is the same: did it protect your information the way the law requires? An attorney can review your notice for free, and these cases are usually handled on contingency.
- Is there a Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center 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 Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center. 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.
- Is the Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center data breach letter legit or a scam?
- A notice from Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center in the mail matches the breach Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center reported to the Illinois Attorney General on February 24, 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 Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center through a phone number or website you find yourself.
- How much could a Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center data breach settlement or claim be worth?
- There is no set amount, and no Endeavor Health Medical Group, Neurology Skokie Ambulatory Care Center 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 breaches reported 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. This page reflects a public regulator filing; 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.