> JapanHacked_Cybersecurity incidents in Japan

Company

System5 Co., Ltd.

System5 Co., Ltd. (Naka, Nagoya, Aichi; Wholesale and retail trade) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-22.

Profile

Industry/type: Wholesale and retail trade
Location: Aichi, Nagoya, Naka
Website: https://www.system5.jp/

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2026-10-22Updated 2026-10-27 17:02Aichi[Investigating][Severity: Major][Breached][Major]
System5: unauthorized access to a system linked to the online shop
[Web app exploit][Data leak][Service outage]Leaked 15.7KOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-22	2026-10-27 17:02	System5: unauthorized access to a system linked to the online shop	[Breached]	[Major]	[Major]	1 System5 Co., Ltd.	Aichi	[Web app exploit]	[Data leak][Service outage]	15,671	[Investigating]