> JapanHacked_Cybersecurity incidents in Japan

Company

Takano Sogo Accounting

Takano Sogo Accounting (Chuo, Tokyo; Scientific research, professional and technical services) appears in 1 related cybersecurity incident. The latest was disclosed on 2024-06-10.

Profile

Industry/type: Scientific research, professional and technical services
Location: Tokyo, Chuo
Website: https://www.takanosogo.com/

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2024-06-10Updated 2026-10-23Shizuoka, Tokyo[Resolved][Severity: Critical][Breached][Critical]
Takano Sogo Accounting: ransomware puts client data of Tokio Marine group firms and others at risk
[Ransomware][Misconfiguration][Data leak]Leaked 27.8KOrganizations 5

		Incident	Role	Impact level				Methods	Impacts		Status
2024-06-10	2026-10-23	Takano Sogo Accounting: ransomware puts client data of Tokio Marine group firms and others at risk	[Breached]	[Critical]	[Critical]	5 Japanese Society for Quality Control, Takano Sogo Accounting, Tokio Marine & Nichido Fire Insurance Co., Ltd., Suruga Bank Ltd., Tokio Marine & Nichido Life Insurance Co., Ltd.	Shizuoka, Tokyo	[Ransomware][Misconfiguration]	[Data leak]	27,824	[Resolved]