> JapanHacked_Cybersecurity incidents in Japan

Company

Nishiyama Seisakusho Co., Ltd.

Nishiyama Seisakusho Co., Ltd. (Odawara, Kanagawa; Manufacturing) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-02-13.

Profile

Industry/type: Manufacturing
Location: Kanagawa, Odawara
Website: https://www.nishiyama-ss.co.jp/

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2026-02-13Updated 2026-10-23Kanagawa[Resolved][Severity: Major][Breached][Major]
Nishiyama Seisakusho: ransomware attack on its network
[Ransomware][Credential abuse][Service outage][Data leak]Organizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2026-02-13	2026-10-23	Nishiyama Seisakusho: ransomware attack on its network	[Breached]	[Major]	[Major]	1 Nishiyama Seisakusho Co., Ltd.	Kanagawa	[Ransomware][Credential abuse]	[Service outage][Data leak]	Unknown	[Resolved]