DataBreachCaseFile.com
MonitoringIndiana AG filing · March 11, 2026

Mizuno USA Inc Reports 2025 Data Security Incident

Mizuno USA Inc, an Indiana company, reported a data security incident on March 11, 2026. This event, which occurred on January 31, 2025, potentially exposed personal information. Individuals should remain alert for unusual activity.

State
Indiana
Breach date
January 31, 2025
Reported
March 11, 2026

What may have been exposed

  • Full Name
  • Email Address
  • Mailing Address
  • Payment Card Information
  • Social Security Number
  • Date of Birth
  • Password or Credential Hash
  • Purchase and Order History

Mizuno USA Inc, based in Indiana, officially reported a data security incident to regulators on March 11, 2026. This public filing details an event that may have compromised personal information, affecting an unspecified number of individuals.

The company noted that the security incident itself took place on January 31, 2025. While the exact nature of the breach and the specific categories of data involved were not detailed in the public record, the filing indicates that personal information was implicated.

As a result of this incident, there is an ongoing investigation status reported as 'monitoring'. Affected individuals should be aware that their personal information may have been involved in this event, prompting the company's filing.

Given the potential exposure of personal information, individuals are advised to take general precautionary steps. This includes carefully reviewing account statements, monitoring for any unfamiliar activity, and remaining vigilant against unsolicited communications that might request personal details.

What to do if you were affected

Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.

  • Freeze your credit

    Place a free credit freeze with Equifax, Experian, and TransUnion. A freeze blocks new accounts from being opened in your name and can be lifted anytime.

  • Watch your financial accounts

    Review bank and card statements for unfamiliar activity and turn on transaction alerts. Report anything you don't recognize to your bank right away.

  • Secure your online accounts

    Change the password on any account that reused an exposed password and turn on two-factor authentication wherever it's offered.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Mizuno USA Inc breach filing: questions and answers

Where can I see the official Mizuno USA Inc breach notice?
Mizuno USA Inc's report is published by the Indiana Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#761mizuno-usa-inc-2026 Compare it with the letter you received to confirm the dates and details match.
How many people were affected by the Mizuno USA Inc data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information as involved: Full Name, Email Address, Mailing Address, Payment Card Information, Social Security Number, Date of Birth, Password or Credential Hash, Purchase and Order History. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Is there a Mizuno USA Inc 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 Mizuno USA Inc. 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 Mizuno USA Inc data breach letter legit or a scam?
A notice from Mizuno USA Inc in the mail matches the breach Mizuno USA Inc reported to the Indiana Attorney General on March 11, 2026. 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 Mizuno USA Inc through a phone number or website you find yourself.
Can I sue Mizuno USA Inc over the data breach?
It depends on what was exposed, the law in Indiana 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 Mizuno USA Inc data breach settlement or claim be worth?
There is no set amount, and no Mizuno USA Inc 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. The filing lists Full Name, Email Address, Mailing Address as involved. Keep receipts and records; they're what damages claims are built on.
Did Mizuno USA Inc offer free credit monitoring?
Any free monitoring Mizuno USA Inc is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Enrolling does not give up your right to bring a claim.
Do I need a Mizuno USA Inc 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.
What should I do after getting the Mizuno USA Inc 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.

Source: Indiana Attorney General filing

Related data breach cases

Mizuno USA Inc Data Breach Case File: Indiana 2026