Company

Matsuya Foods Holdings Co., Ltd.

Matsuya Foods Holdings Co., Ltd. (Musashino, Tokyo; Accommodation, food and drink) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-29.

Profile

Industry/type

Accommodation, food and drink

Location

Tokyo, Musashino

Services

Brands

Matsuya

Listing

TSE Prime 9887

Website

https://www.matsuyafoods.co.jp/

Public figures

–

Metric	Value	Scope	As of	Source
–

Incident history

Disclosed 2026-10-29Updated 2026-10-30Tokyo[Investigating][Severity: Critical][Breached][Critical]
Matsuya Foods: unauthorized access to its official app management system leaks about 2.38 million personal records
[Unknown][Data leak][Service outage]Leaked 2.4MOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-29	2026-10-30	Matsuya Foods: unauthorized access to its official app management system leaks about 2.38 million personal records	[Breached]	[Critical]	[Critical]	1 Matsuya Foods Holdings Co., Ltd.	Tokyo	[Unknown]	[Data leak][Service outage]	2,377,127	[Investigating]