> JapanHacked_Cybersecurity incidents in Japan

Company

Nissui Corporation

Nissui Corporation (Minato, Tokyo; Manufacturing) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-07.

Profile

Industry/type: Manufacturing
Location: Tokyo, Minato
Listing: TSE Prime 1332
Website: https://www.nissui.co.jp/

Public figures

Employees1,489Non-consolidated2026-03-31
METI: Gビズインフォ
Revenue¥352.6BNon-consolidated2026-03-31
METI: Gビズインフォ
Capital¥30.7BNon-consolidated2026-03-31
METI: Gビズインフォ

Metric	Value		As of	Source
Employees	1,489	Non-consolidated	2026-03-31	METI: Gビズインフォ
Revenue	¥352.6B	Non-consolidated	2026-03-31	METI: Gビズインフォ
Capital	¥30.7B	Non-consolidated	2026-03-31	METI: Gビズインフォ

Incident history

Disclosed 2026-10-07Updated 2026-10-27 19:58Aichi, Fukuoka, Hiroshima, Ibaraki, Osaka, Tokyo[Ongoing][Severity: Critical][Through a supplier][Moderate]
IDC Frontier: ransomware attack on IDCF Cloud
[Ransomware][Intrusion][Web app exploit][Service outage][Data leak]Leaked 4MOrganizations 495

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-07	2026-10-27 19:58	IDC Frontier: ransomware attack on IDCF Cloud	[Through a supplier]	[Moderate]	[Critical]	495 IDC Frontier Inc., Central Japan Railway Company, East Japan Railway Company, Ibaraki Prefectural Government, Ibaraki Prefectural Police, Kyushu Railway Company, Izumi Co., Ltd., Nissui Corporation, Daihatsu Motor Co., Ltd., Soliton Systems K.K.	Aichi, Fukuoka, Hiroshima, Ibaraki, Osaka, Tokyo	[Ransomware][Intrusion][Web app exploit]	[Service outage][Data leak]	4,030,000	[Ongoing]