UnknownRetail & ConsumerRetailCustomer Data InvolvedIdentity (basic)Government IDPIIMediumContained

Mizuno USA, Inc.

bd_e6d19b1122a4d3c2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 11, 2026

To disclose

—

Affected

1state residents only

Linked

2 filings

Confidence

67%

Full breach record for Mizuno USA, Inc. →2 incidents on file

Mizuno USA, Inc. notified Massachusetts residents of a security incident impacting personal information. The company conducted an investigation and implemented additional safeguards. No specific dates for discovery or occurrence were provided in the notice. Affected individuals are offered 24 months of credit monitoring and fraud assistance via Cyberscout. The nature of the breach is not specified, but customer data was involved.

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Incident timeline — partial

? — ?

Breach window unknown

Mar 11, 2026

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_fbe30ea1817819f32026-03-11Verified

Name: Mizuno USA, Inc.
norm: mizuno usa
Domain: mizunousa.com

Name: Mizuno USA, Inc.
norm: mizuno usa
Domain: mizunousa.com
Industry: Retail & Consumerllm

Discovered: —
Materiality determined: —
Notification sent: Mar 11, 2026
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDPII
Attack vector: Unknown
Regulator citations: Notifying regulatory authorities, as required by law

During the incident: Conducted an investigation into this incident
Implemented additional safeguards to further secure the information in our systems
Notifying regulatory authorities, as required by law
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge for twenty-four (24) months
Providing proactive fraud assistance through Cyberscout
Changes made: Implemented additional safeguards to further secure the information in our systems
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Indiana State AGMar 11 · first

Massachusetts State AGMar 11 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.mass.gov/doc/2026-370-mizuno-usa-inc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 11, 2026
Raw hash: aaa571289e32f1869886a3b9da6db524a5c3db56ad02503cdda274709ab0f0ba

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMizuno USA, Inc.

Victim entityMizuno USA, Inc.

IncidentUnknown

Stated responseConducted an investigation into this incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov