Company

KADOKAWA Corporation

KADOKAWA Corporation (Chiyoda, Tokyo; Information and communications) appears in 1 related cybersecurity incident. The latest was disclosed on 2024-06-09.

Profile

Industry/type

Information and communications

Location

Tokyo, Chiyoda

Listing

TSE Prime 9468

Website

https://www.kadokawa.co.jp/

Group companies

Dwango Co., Ltd.

Public figures

Employees2,471Non-consolidated2026-03-31
Nikkei: 【KADOKAWA】[9468]企業概要
Revenue¥132.3BNon-consolidated2026-03-31
METI: Gビズインフォ
Capital¥65.6BNon-consolidated2026-03-31
METI: Gビズインフォ

Metric	Value		As of	Source
Employees	2,471	Non-consolidated	2026-03-31	Nikkei: 【KADOKAWA】[9468]企業概要
Revenue	¥132.3B	Non-consolidated	2026-03-31	METI: Gビズインフォ
Capital	¥65.6B	Non-consolidated	2026-03-31	METI: Gビズインフォ

Incident history

Disclosed 2024-06-09Updated 2026-10-23Tokyo[Contained][Severity: Critical][Breached][Critical]
KADOKAWA: ransomware attack on Niconico and other group services
[Ransomware][Phishing][Service outage][Data leak][Extortion]Leaked 254.2KOrganizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2024-06-09	2026-10-23	KADOKAWA: ransomware attack on Niconico and other group services	[Breached]	[Critical]	[Critical]	2 Dwango Co., Ltd., KADOKAWA Corporation	Tokyo	[Ransomware][Phishing]	[Service outage][Data leak][Extortion]	254,241	[Contained]