Company

Koiwai Dairy Products Co., Ltd.

Koiwai Dairy Products Co., Ltd. (Chiyoda, Tokyo; Manufacturing) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-27.

Profile

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Metric	Value	Scope	As of	Source
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		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-27	2026-11-10	Smartshare: OWNLY intrusion	[Through a supplier]	[Major]	[Major]	5 Mos Food Services, Inc., Kirin Beverage Company, Limited, Kirin Brewery Company, Limited, Koiwai Dairy Products Co., Ltd., Smartshare Inc.	Tokyo	[Web app exploit]	[Data leak]	14,034	[Contained]