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Mizuno USA

Disclosed Jan 30, 20251 year ago1,329 affectedConfirmed

Official notice

Mizuno USA says hackers copied files for two months

Mizuno USA said attackers copied files from its network between August 21 and October 29, 2024, exposing names, Social Security numbers, financial account and ID numbers; it detected suspicious activity on November 6, 2024.

What is known

People affected1,329 (as reported by the organization)
DisclosedJan 30, 2025
DiscoveredNov 6, 2024
HappenedJan 31, 2025
AttackHacking
Data exposedNames, Social Security numbers, Financial, Government IDs
SectorRetail · US
StatusConfirmed

Sources

Source
Mizuno USA says hackers stayed in its network for two monthsbleepingcomputer.com · News
Indiana Attorney General 2026 data breach report: Mizuno USAin.gov · Official notice
Indiana Attorney General 2025 data breach report: Mizuno USAin.gov · Official notice

Notices filed

WhereFiledPeople
ResearchtotalJan 30, 2025
Indiana AGresidents of INJan 30, 20258
Indiana AGresidents of INMar 111
History of this record
  • 2026-09-25 · source: empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-2025.pdf · backfill source
  • 2026-09-25 · records: 111 to 1329 · backfill source
  • 2026-09-25 · source_type: press to official · backfill source
  • 2026-09-25 · source_url: https://www.bleepingcomputer.com/news/security/mizuno-usa-says-hackers-stayed-in-its-network-for-two-months/ to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-7_2026.pdf · backfill source
  • 2026-09-25 · status: disclosed to confirmed · backfill source
  • 2026-09-25 · verified_by: empty to in-ag · backfill source
  • 2026-09-25 · verified: 0 to 1 · backfill source
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 111 · backfill source
  • 2026-09-25 · occurred: empty to 2025-01-31 · backfill source
  • 2026-09-25 · added · seed source

First seen 2026-09-25 (Research), confirmed by Indiana AG. Record counts are as reported. Not legal advice.

Everything about Mizuno USA

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