> JapanHacked_Cybersecurity incidents in Japan

Company

Nihon Seinyu Co., Ltd.

Nihon Seinyu Co., Ltd. (Takahata, Yamagata; Manufacturing) appears in 1 recorded precautionary service shutdown. It is not counted as an affected organization. The latest was disclosed on 2026-11-05.

Profile

Industry/type: Manufacturing
Location: Yamagata, Takahata

Public figures

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Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2026-11-05Updated 2026-11-05 16:15Fukuoka, Hiroshima, Hokkaido, Kanagawa, Miyagi, Okinawa, Shizuoka, Tokyo, Yamagata[Investigating][Severity: Minor][Precautionary halt][Minor]
Morinaga Milk: group company website breached; 18 sites of 17 companies on the same server closed
[Intrusion][Service outage]Organizations 17

		Incident	Role	Impact level				Methods	Impacts		Status
2026-11-05	2026-11-05 16:15	Morinaga Milk: group company website breached; 18 sites of 17 companies on the same server closed	[Precautionary halt]	[Minor]	[Minor]	17 Fr Port Co., Ltd., Fuji Morinaga Milk Industry Co., Ltd., Hiroshima Morinaga Milk Industry Co., Ltd., MK Foods Co., Ltd., Morinaga Dairy Sales Co., Ltd., Morinaga Engineering Co., Ltd., Morinaga Milk Hokkaido Co., Ltd., Morinaga Milk Kyushu Co., Ltd., Morinaga Milk Sales Co., Ltd., Morinyu Sunworld Co., Ltd., Nihon Seinyu Co., Ltd., Okinawa Morinaga Milk Industry Co., Ltd., Sunfco Co., Ltd., Tohoku Morinaga Milk Industry Co., Ltd., Tokachi Urahoro Morinaga Milk Industry Co., Ltd., Towa Techno Co., Ltd., Yokohama Morinaga Milk Industry Co., Ltd.	Fukuoka, Hiroshima, Hokkaido, Kanagawa, Miyagi, Okinawa, Shizuoka, Tokyo, Yamagata	[Intrusion]	[Service outage]	Unknown	[Investigating]