Received a data breach letter?
Active Legal Case · Letter recipients may be eligible to join a class action lawsuit against Ciox Health, d/b/a Datavant Group
Join Now →Free, Confidential Case Review
If you received a data breach notification letter from Ciox Health, d/b/a Datavant Group, send us your details and a member of the legal team will review your request. There is no cost or obligation.
No fee unless you recover.
Sending this form does not create an attorney-client relationship.
Ciox Health, operating under the Datavant Group umbrella, occupies a critical and expansive nexus within the modern healthcare ecosystem. As a leading health data company, Datavant facilitates the secure exchange, linkage, and management of vast quantities of protected health information (PHI) and personally identifiable information (PII) on behalf of hundreds of hospitals, health systems, insurance providers, and life sciences organizations. The company's core operations involve processing massive volumes of medical records, billing data, clinical trial information, and patient demographic files to streamline healthcare administration. Because of this central clearinghouse function, Ciox Health and Datavant hold some of the most sensitive, intimate, and valuable personal data in existence, making them prime repositories for highly confidential medical and financial dossiers. In 2025, Ciox Health, d/b/a Datavant Group, reported a significant data security incident to the Nebraska Attorney General, alerting regulators and consumers that unauthorized actors may have breached its digital infrastructure. While the exact vector of the attack remains subject to ongoing forensic investigation, security incidents affecting healthcare data aggregators typically involve sophisticated external intrusions, compromised credential vulnerabilities, or third-party vendor software flaws that bypass perimeter defenses. Given the sprawling architecture required to ingest, harmonize, and transfer medical records across disparate provider networks, any disruption or unauthorized access event can expose vulnerable access points throughout the data pipeline, leaving sensitive corporate and patient-facing databases exposed. The nature of the data entrusted to an organization like Ciox Health means that a successful security breach exposes individuals to severe, multi-faceted risks. Compromised records typically include full names, dates of birth, Social Security numbers, medical record numbers, health insurance policy details, specific diagnosis and treatment histories, and prescription information. Unlike a stolen credit card, which can be readily canceled and replaced, core medical and identity data cannot be altered. The exposure of clinical and demographic information creates immediate dangers of targeted medical identity fraud—where unauthorized parties obtain medical services or prescription drugs using another person's insurance—alongside long-term risks of sophisticated phishing scams, financial account takeover, and fraudulent tax filings. As a handler of massive quantities of protected health information and sensitive consumer data, Ciox Health, d/b/a Datavant Group, is bound by stringent federal and state regulatory frameworks. Under the Health Insurance Portability and Accountability Act (HIPAA), as well as applicable state data protection laws and the Federal Trade Commission Act, the company has an affirmative, legally enforceable obligation to implement robust administrative, physical, and technical safeguards to secure electronic PHI. When a security incident of this magnitude occurs, it often serves as strong prima facie evidence that the organization failed to maintain adequate encryption standards, robust multi-factor authentication, or timely vulnerability patching, thereby breaching its legal duty of care to the millions of individuals whose data it commercializes and manages. Receiving an official data breach notification letter from Ciox Health, d/b/a Datavant Group, is a formal legal admission that your confidential information was compromised due to corporate security shortcomings. This notification establishes the legal standing necessary to participate in a class action lawsuit aimed at holding the company accountable for its failure to protect your privacy. Under the law, affected individuals do not need to demonstrate that they have already suffered actual financial loss or medical fraud to seek legal redress; the mere exposure of your sensitive data constitutes a compensable injury. Our firm is currently investigating potential class action claims on a strict contingency fee basis, meaning there are never any out-of-pocket costs or attorney fees unless we successfully recover compensation on your behalf.
About the Notice You Received
If you received a data breach notification letter, notice, or mailing from Ciox Health, d/b/a Datavant Group, this communication confirms that your personal information was exposed or accessed without authorization.
Under Nebraska law, companies are legally required to send a written breach notification to every affected resident. This may arrive as a letter in the mail, a formal notification mailing, or an email notice — all are equally valid as evidence of harm.
Your Ciox Health, d/b/a Datavant Group notification letter is more than an informational warning. It is legally required documentation — and the starting point for a potential class action claim against Ciox Health, d/b/a Datavant Group.
This notice may also be referred to as:
It Takes 2 Minutes
Tell us you received a notification letter from Ciox Health, d/b/a Datavant Group. No need to have the letter handy — just your name and contact info.
A licensed data breach attorney will review your eligibility within 24 hours and contact you directly. Completely free, no obligation.
If you qualify, your attorney handles everything. You pay nothing unless your case results in a recovery on your behalf.
Why This Breach Matters
Healthcare organizations store a combination of medical and financial data that makes breach victims vulnerable to both traditional identity theft and medical identity fraud. Stolen insurance identifiers can be used to obtain prescriptions, procedures, or durable medical equipment billed to your insurer — and medical identity fraud can go undetected for years, affecting future coverage and billing.
Common Questions
I received a Ciox Health, d/b/a Datavant Group breach notice — does it mean my data was stolen?
Yes. Receiving a Ciox Health, d/b/a Datavant Group data breach letter, notice, or notification mailing means your personal information was accessed or exposed without authorization. Companies are only required to send these notices when a confirmed breach occurred affecting your data specifically.
Is there a deadline to act after receiving my Ciox Health, d/b/a Datavant Group notification letter?
Yes. Nebraska and federal law impose statutes of limitations on data breach claims. Once a class action lawsuit is filed by another attorney, the window to be a named plaintiff typically closes quickly. Submitting a free case review now ensures you are positioned before those windows pass. There is no cost and no obligation to find out if you qualify.
How much does it cost to pursue a claim?
Nothing upfront. Representation is 100% contingency-based — a fee is only collected if your case results in compensation. If there is no recovery, you owe nothing at any stage.
Ciox Health, d/b/a Datavant Group was required by law to notify you because your personal data was compromised. That letter is evidence of harm — and the foundation for a legal claim.
Data breach claims have deadlines. The sooner you act after receiving your letter, the better positioned you are to participate and recover.
By joining with other Ciox Health, d/b/a Datavant Group letter recipients, you have access to legal resources that would be too costly to pursue individually.
You never pay attorney fees out of pocket. Our representation is 100% contingency-based — we only get paid if you recover compensation.
No Fee Unless You Recover
A member of the legal team is available to answer your questions. Or scroll to the top to submit your case review form — free and no obligation.