Company

Strategic Marketing Co., Ltd.

Strategic Marketing Co., Ltd. (Chiyoda, Tokyo; Scientific research, professional and technical services) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-22.

Profile

Industry/type

Scientific research, professional and technical services

Location

Tokyo, Chiyoda

Services

Tokumoni!

Website

https://www.strategic-m.jp/

Public figures

–

Metric	Value	Scope	As of	Source
–

Incident history

Disclosed 2026-10-22Updated 2026-10-31Tokyo[Investigating][Severity: Critical][Breached][Critical]
Strategic Marketing: Tokumoni! admin system intrusion
[Intrusion][Data leak][Service outage]Leaked 42.9KOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-22	2026-10-31	Strategic Marketing: Tokumoni! admin system intrusion	[Breached]	[Critical]	[Critical]	1 Strategic Marketing Co., Ltd.	Tokyo	[Intrusion]	[Data leak][Service outage]	42,900	[Investigating]