> JapanHacked_Cybersecurity incidents in Japan

Company

System Exe Co., Ltd.

System Exe Co., Ltd. (Chuo-ku, Tokyo; Information and communications) appears in 1 related cybersecurity incident. The latest was disclosed on 2025-06-20.

Profile

Industry/type: Information and communications
Location: Tokyo, Chuo-ku
Website: https://www.system-exe.co.jp/

Public figures

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Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2025-06-20Updated 2025-08-22 16:49Tokyo[Resolved][Severity: Major][Breached][Major]
System Exe: ransomware leaked partner personal data and login details, including about 14,000 member records entrusted by Tokyu Community
[Ransomware][Data leak]Organizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2025-06-20	2025-08-22 16:49	System Exe: ransomware leaked partner personal data and login details, including about 14,000 member records entrusted by Tokyu Community	[Breached]	[Major]	[Major]	2 System Exe Co., Ltd., Tokyu Community Corp.	Tokyo	[Ransomware]	[Data leak]	Unknown	[Resolved]