> JapanHacked_Cybersecurity incidents in Japan

Company

Fuso Dentsu Co., Ltd.

Fuso Dentsu Co., Ltd. (Chuo, Tokyo; Information and communications) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-07-22.

Profile

Industry/type: Information and communications
Location: Tokyo, Chuo
Website: https://www.fusodentsu.co.jp/

Public figures

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Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2026-07-22Updated 2026-09-29 08:05Tokyo[Contained][Severity: Major][Breached][Major]
Fuso Dentsu: a shared folder in the cloud storage it uses with outside parties was accessed without authorization, and 26,489 personal data records may have leaked
[Credential abuse][Data leak]Leaked 26.5KOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-07-22	2026-09-29 08:05	Fuso Dentsu: a shared folder in the cloud storage it uses with outside parties was accessed without authorization, and 26,489 personal data records may have leaked	[Breached]	[Major]	[Major]	1 Fuso Dentsu Co., Ltd.	Tokyo	[Credential abuse]	[Data leak]	26,489	[Contained]