Company

TSUMUGU Holdings, Inc.

TSUMUGU Holdings, Inc. (Chuo, Sapporo, Hokkaido; Wholesale and retail trade) appears in 1 related cybersecurity incident. The latest was disclosed on 2024-02-05.

Profile

Industry/type

Wholesale and retail trade

Location

Hokkaido, Sapporo, Chuo

Former names

Hokuyaku Takeyama Holdings, Inc.until 2026-09-29

Listing

Sapporo Securities Exchange 3055

Website

https://www.tsumuguhd.co.jp/

Public figures

Employees61Non-consolidated2026-03-31
METI: Gビズインフォ
Revenue¥1.7BNon-consolidated2026-03-31
METI: Gビズインフォ
Capital¥1BNon-consolidated2026-03-31
METI: Gビズインフォ

Metric	Value		As of	Source
Employees	61	Non-consolidated	2026-03-31	METI: Gビズインフォ
Revenue	¥1.7B	Non-consolidated	2026-03-31	METI: Gビズインフォ
Capital	¥1B	Non-consolidated	2026-03-31	METI: Gビズインフォ

Incident history

Disclosed 2024-02-05Updated 2026-10-23Hokkaido[Resolved][Severity: Moderate][Breached][Moderate]
Hokuyaku Takeyama Holdings: ransomware via remote desktop with a domain admin ID
[Ransomware][Credential abuse]Organizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2024-02-05	2026-10-23	Hokuyaku Takeyama Holdings: ransomware via remote desktop with a domain admin ID	[Breached]	[Moderate]	[Moderate]	1 TSUMUGU Holdings, Inc.	Hokkaido	[Ransomware][Credential abuse]		Unknown	[Resolved]