> JapanHacked_Cybersecurity incidents in Japan

Company

GMO Financial Gate, Inc.

GMO Financial Gate, Inc. (Shibuya, Tokyo; Information and communications) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-10-21.

Profile

Industry/type: Information and communications
Location: Tokyo, Shibuya
Listing: TSE Growth 4051
Website: https://www.gmo-fg.com/

Public figures

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Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2026-10-21Updated 2026-11-11Aichi, Ehime, Fukuoka, Hiroshima, Hokkaido, Iwate, Kagawa, Kanagawa, Mie, Miyagi, Miyazaki, Nagano, Niigata, Osaka, Shizuoka, Tochigi, Tokyo, Toyama, Yamaguchi, Yamanashi[Contained][Severity: Critical][Through a supplier][Moderate]
RAKUS Light Cloud: blastmail intrusion leaks customer mailing data; basic functions reopen on 11 November
[Intrusion][Data leak][Service outage]Leaked 1MOrganizations 60

		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-21	2026-11-11	RAKUS Light Cloud: blastmail intrusion leaks customer mailing data; basic functions reopen on 11 November	[Through a supplier]	[Moderate]	[Critical]	60 e-LogiT Co., Ltd., H.I.S. Hotel Holdings Co., Ltd., Meitetsu World Travel, Inc., Niigata Nippo Co., Ltd., RAKUS Light Cloud Co., Ltd., Ministry of the Environment, City of Yokohama, Hiroshima City, Nagano Prefectural Government, Tokyo Metro Co., Ltd., Chubu Electric Power Co., Inc., Ichinoseki City, Japan Petroleum Exploration Co., Ltd., Nagaoka City, Nobeoka City, Okazaki City, Setagaya City, Shimonoseki City, Toyama Prefectural Government, Utsunomiya City, ALC PRESS INC., Better Home Association, Cells Inc., Chitose City, Cloud Circus Inc., Creema Ltd., Daihatsu Motor Co., Ltd., Digital Division Co., Ltd., The Ehime Shimbun Co., Ltd., Fabrica Communications Co., Ltd., Gyet Co., Ltd., HR Vision Co., Ltd., The Institute of Actuaries of Japan, Japan Council of Shopping Centers, Kakaopiccoma Corp., Kanehara & Co., Ltd., Kiho Town, Kyodo News, Kyushu University, MEDIA NAVI, Inc., Mitsubishi Electric Mechatronics Engineering Corporation, National Mutual Insurance Federation of Agricultural Cooperatives, NHK Publishing, Inc., Nulab, Inc., RVSTA, Inc., Sasakawa Sports Foundation, Shikoku Railway Company, Shizuoka Gas Co., Ltd., Shunan City, Tohoku EPCO Frontier Co., Inc., Tokamachi City, Tokyo Development Foundation for Agriculture, Forestry, and Fisheries, The Yamanashi Nichinichi Shimbun Co., Ltd., ZIGExN Co., Ltd., GMO Financial Gate, Inc., Solvvy Inc., Takara Leben Co., Ltd., The Bank of Nagoya, Ltd., Sompo Japan DC Securities Inc., Yasukuni Shrine	Aichi, Ehime, Fukuoka, Hiroshima, Hokkaido, Iwate, Kagawa, Kanagawa, Mie, Miyagi, Miyazaki, Nagano, Niigata, Osaka, Shizuoka, Tochigi, Tokyo, Toyama, Yamaguchi, Yamanashi	[Intrusion]	[Data leak][Service outage]	1,002,404	[Contained]