Company

Green Stamp Co., Ltd.

Green Stamp Co., Ltd. (Chiyoda, Tokyo; Other services) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-30.

Profile

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Metric	Value	Scope	As of	Source
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		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-30	2026-10-30	Green Stamp: addresses and birth dates of 297 new Niitsu Food Green Card members may have leaked	[Breached]	[Major]	[Major]	3 Green Stamp Co., Ltd., Lion D'or Corporation, Niitsu Food Co., Ltd.	Fukushima, Tokyo	[Intrusion]	[Data leak]	297	[Investigating]