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MonitoringIndianaFiled March 11, 2026

Understanding your Mizuno USA Inc data breach notification letter

If a Mizuno USA Inc letter arrived in your mailbox, here is what it means, why you received it, and the free steps you can take right now.

Why you received this letter

Mizuno USA Inc reported a data breach to Indiana authorities on March 11, 2026, stemming from an incident identified on January 31, 2025. This breach exposed a range of sensitive personal data categories for affected individuals, including Full Name, Email Address, Social Security Number, and Payment Card Information, among others, raising concerns about potential identity theft and fraud risks.

Information the filing reports 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

What to do after the letter

  1. Confirm the notice is genuine

    A legitimate Mizuno USA Inc notice references the specific incident reported to the Indiana Attorney General and describes which categories of your information were involved. Compare the letter against the public filing before acting on any links or phone numbers it contains.

  2. Keep the letter — it is your proof of connection

    The notification letter is the document that ties your personal information to this incident. Keep the original and photograph it. If you later request a case review, this letter is the strongest evidence that you were among the affected individuals.

  3. Protect your accounts and credit

    Depending on what was exposed, consider a free credit freeze with all three bureaus, new passwords for reused credentials, and monitoring of financial statements. These steps are free and do not require you to wait for anyone's permission.

  4. Check the record against the public filing

    You can verify the Mizuno USA Inc incident against the filing reported to the Indiana Attorney General. This registry summarizes what was filed; it does not provide legal advice.

This page summarizes a data breach reported to the Indiana Attorney General for informational purposes. DataBreachInformation.com is a neutral reference registry and does not provide legal advice.

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