Mizuno USA

Disclosed Jan 30, 20251,329 affectedConfirmed

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 affected	1,329 (as reported by the organization)
Disclosed	Jan 30, 2025
Discovered	Nov 6, 2024
Happened	Jan 31, 2025
Attack	Hacking
Data exposed	NamesSocial Security numbersFinancialGovernment IDs
Sector	Retail · US
Status	Confirmed

Sources

Newsbleepingcomputer.com

Mizuno USA says hackers stayed in its network for two months

Official noticein.gov

Indiana Attorney General 2026 data breach report: Mizuno USA

Official noticein.gov

Indiana Attorney General 2025 data breach report: Mizuno USA

Notices filed

TotalJan 30, 2025

ResearchCount not stated

Residents of INJan 30, 2025

Indiana AG8 people

Residents of INMar 11

Indiana AG1 person

History of this record

source2026-09-25

empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-2025.pdfby backfillSource

records2026-09-25

111 to 1329by backfillSource

source_type2026-09-25

press to officialby backfillSource

source_url2026-09-25

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.pdfby backfillSource

status2026-09-25

disclosed to confirmedby backfillSource

verified_by2026-09-25

empty to in-agby backfillSource

verified2026-09-25

0 to 1by backfillSource

records_basis2026-09-25

empty to organizationby backfillSource

records2026-09-25

empty to 111by backfillSource

occurred2026-09-25

empty to 2025-01-31by backfillSource

Added2026-09-25

First recordedby seedSource

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

Everything about Mizuno USA