> JapanHacked_Cybersecurity incidents in Japan

Company

Nippon Columbia Group Co., Ltd.

Nippon Columbia Group Co., Ltd. (Shibuya, Tokyo; Information and communications) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-08.

Profile

Industry/type: Information and communications
Location: Tokyo, Shibuya
Website: https://www.columbia.co.jp/

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2026-10-08Updated 2026-10-26 18:29Tokyo[Investigating][Severity: Critical][Breached][Critical]
Nippon Columbia Group: malware on a Daiichikosho contractor's PC
[Malware][Data leak]Leaked 8.7MOrganizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-08	2026-10-26 18:29	Nippon Columbia Group: malware on a Daiichikosho contractor's PC	[Breached]	[Critical]	[Critical]	2 Daiichikosho Co., Ltd., Nippon Columbia Group Co., Ltd.	Tokyo	[Malware]	[Data leak]	8,724,000	[Investigating]