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Verify My Notice LetterThis case file references a public filing made with the state filing in IN. This website is not affiliated with, endorsed by, or operated by any state government agency.
Mizuno USA Inc was the subject of a data breach notification filed with the IN Attorney General. The AG filing was recorded on March 11, 2026. The breach or discovery date reported in the filing is January 31, 2025.
From the AG filing description
Mizuno USA Inc is a globally recognized sporting goods and athletic equipment manufacturer and distributor, known for outfitting athletes across track and field, baseball, golf, volleyball, and running. Because of its expansive operations, national wholesale network, and direct-to-consumer e-commerce platforms, Mizuno USA Inc collects and retains a massive volume of sensitive personal and financial information. This ecosystem requires the handling of extensive employee records, vendor data, and consumer profiles, making the company a substantial repository of personally identifiable information that is highly attractive to cybercriminals. In 2026, Mizuno USA Inc reported a significant data security incident to the Indiana Attorney General, raising serious concerns regarding the safety of the digital infrastructure safeguarding its network. While the full mechanics of the intrusion are still being analyzed, breaches involving major athletic and retail brands typically stem from sophisticated cyberattacks such as ransomware deployments, unauthorized intrusions into cloud storage environments, or vulnerabilities within third-party vendor supply chains. These incidents often exploit gaps in network monitoring, allowing unauthorized actors to dwell undetected within corporate systems and exfiltrate sensitive files before detection occurs. The data compromised in the Mizuno USA Inc security incident typically encompasses a wide spectrum of sensitive records, including full names, dates of birth, mailing addresses, financial account details, payment card information, and potentially Social Security numbers for employees or consumers. The exposure of this information creates severe, immediate risks for affected individuals. Financial account numbers and payment cards can be weaponized to conduct unauthorized purchases and account takeovers, while compromised identity markers lay the foundation for synthetic identity fraud, fraudulent tax filings, and targeted phishing scams that can plague victims for years. As an enterprise operating and collecting consumer and employee data within Indiana, Mizuno USA Inc has a strict legal obligation under state consumer protection statutes and common law principles of negligence to implement reasonable and appropriate cybersecurity measures. Companies that gather personal data are legally required to maintain robust administrative, physical, and technical safeguards—such as multi-factor authentication, network segmentation, and regular vulnerability assessments—to prevent unauthorized access. The occurrence of a widespread data breach strongly indicates a potential failure in these foundational security duties, suggesting that the company may not have adequately maintained its digital defenses. Receiving a data breach notification letter from Mizuno USA Inc is a formal acknowledgment that your private information was compromised due to corporate security inadequacies. Under modern standing jurisprudence, the receipt of such a notice and the resulting imminent risk of identity theft confer the legal standing necessary to participate in a class action lawsuit. Affected individuals do not need to wait until they experience actual financial loss to take legal action. Our firm is currently investigating potential class action claims on behalf of all impacted individuals on a contingency fee basis, meaning there are never any out-of-pocket costs or fees unless we successfully recover compensation for you.
Under the Indiana data breach notification law, you may have a legal claim against Mizuno USA Inc if any of the following apply:
Based on the data types reported in this filing:
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.
Combined with a name and other leaked data, date of birth helps criminals pass identity verification questions at banks and government agencies.
Common categories of compensation in data breach class actions
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.
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.
Direct financial losses resulting from the breach — unauthorized charges, fraudulent transfers, or fees incurred through fraud — are recoverable as compensatory damages. Banks may reverse some charges; a class action recovers the remainder and associated costs.
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.
No. Under Indiana data breach notification law 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.
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.
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.
Banks may reverse fraudulent charges, but they are not obligated to compensate you for time lost, stress, or indirect damages. A class action claim against the breached company can recover those additional categories of harm.
State statutes of limitations for data breach claims typically run 2–4 years from the date of the breach or its discovery. Because this breach was recently disclosed, the window is open — but acting early preserves your options and strengthens the case.
Accepting free credit monitoring from Mizuno USA Inc 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.
Not necessarily. Many data breach victims are never notified directly. If your personal information was held by Mizuno USA Inc during the relevant period, you may still qualify even without receiving a letter. A free eligibility review can confirm your status.
Applicable State Law
This breach was reported under the Indiana data breach notification law, which mandates notification and establishes your right to seek damages.
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