Mizuno USA Inc. Data Breach: What You Need to Know

In a concerning incident, Mizuno USA Inc. experienced a significant data breach that has affected numerous individuals. This breach, which was discovered on December 18, 2025, involved unauthorized access to external systems, raising serious concerns about the security of personal information. If you believe you may be affected by this breach, it is crucial to understand your options moving forward.

About Mizuno USA Inc.

Mizuno USA Inc. is a commercial organization based in Norcross, Georgia. Located at 3155 Northwoods Parkway, the company is known for its high-quality sports equipment and apparel. As a prominent player in the sports industry, Mizuno USA Inc. has a responsibility to protect its customers’ personal information. Unfortunately, this breach has highlighted vulnerabilities in their data security practices.

What Happened

The data breach occurred on August 21, 2024, when hackers gained unauthorized access to Mizuno USA Inc.’s external systems. This breach has affected a total number of individuals, including residents from various states, with at least one individual from Maine being notably impacted. The breach was not identified until December 18, 2025, leading to concerns about the exposure of sensitive data.

Following the discovery of the breach, notification letters were sent out on January 30, 2025, informing affected individuals about the situation. Mizuno USA Inc. has also offered identity theft protection services for those impacted, providing 12 months of credit monitoring and identity protection through TransUnion.

Next Steps

If you believe that you may have been affected by the Mizuno USA Inc. data breach, it is important to take action. We at Srourian Law Firm (SLFLA) are here to help you navigate your options. Please reach out to us to discuss your situation and learn more about the steps you can take to protect yourself and your personal information.