Company

T museum Inc.

T museum Inc. (Shibuya, Tokyo; Personal services and entertainment) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-08-14.

Profile

Industry/type

Personal services and entertainment

Location

Tokyo, Shibuya

Brands

Unko Museum

Website

https://tmuseum.co.jp/

Public figures

–

Metric	Value		As of	Source
–

Incident history

Disclosed 2026-08-14Updated 2026-10-22Kanagawa, Tokyo[Contained][Severity: Major][Breached][Major]
T museum: Unko Museum website tampered with
[Web app exploit][Data leak][Site defacement]Leaked 4Organizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2026-08-14	2026-10-22	T museum: Unko Museum website tampered with	[Breached]	[Major]	[Major]	2 KAYAC Inc., T museum Inc.	Kanagawa, Tokyo	[Web app exploit]	[Data leak][Site defacement]	4	[Contained]