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Organizations in Japan involved in cyberattacks and data leaks. Filter by location, industry or type, size and incident involved.

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Organizations involved in this incident2026-11-06PLM: Marines website breach leaks 37,070 nicknames and 11,875 email addressesOpen the incident

7 results

CompanyPersonal services and entertainmentTokyo, Shinjuku[Through a supplier][Moderate]
Chiba Lotte Marines Co., Ltd.
Incidents 2Latest 2026-11-06
CompanyInformation and communicationsTokyo, Minato[Breached][Moderate]
Pacific League Marketing Corporation
Incidents 2Latest 2026-11-06
CompanyPersonal services and entertainmentFukuoka, Fukuoka, Chuo[Precautionary halt][Minor]
Fukuoka SoftBank Hawks Corp.
Incidents 3Latest 2026-11-06
CompanyPersonal services and entertainmentHokkaido, Kitahiroshima[Precautionary halt][Minor]
Hokkaido Nippon-Ham Fighters Co., Ltd.
Incidents 2Latest 2026-11-06
CompanyPersonal services and entertainmentOsaka, Osaka, Nishi[Precautionary halt][Minor]
Orix Baseball Club Co., Ltd.
Incidents 1Latest 2026-11-06
CompanyPersonal services and entertainmentMiyagi, Sendai, Miyagino[Precautionary halt][Minor]
Rakuten Baseball, Inc.
Incidents 2Latest 2026-11-06
CompanyPersonal services and entertainmentTokyo, Toshima[Precautionary halt][Minor]
Seibu Lions Co., Ltd.
Incidents 2Latest 2026-11-06

	Role
Chiba Lotte Marines Co., Ltd.	[Through a supplier]	[Moderate]	Company	Personal services and entertainment	Tokyo, Shinjuku	–	2	2026-11-06
Pacific League Marketing Corporation	[Breached]	[Moderate]	Company	Information and communications	Tokyo, Minato	–	2	2026-11-06
Fukuoka SoftBank Hawks Corp.	[Precautionary halt]	[Minor]	Company	Personal services and entertainment	Fukuoka, Fukuoka, Chuo	–	3	2026-11-06
Hokkaido Nippon-Ham Fighters Co., Ltd.	[Precautionary halt]	[Minor]	Company	Personal services and entertainment	Hokkaido, Kitahiroshima	–	2	2026-11-06
Orix Baseball Club Co., Ltd.	[Precautionary halt]	[Minor]	Company	Personal services and entertainment	Osaka, Osaka, Nishi	–	1	2026-11-06
Rakuten Baseball, Inc.	[Precautionary halt]	[Minor]	Company	Personal services and entertainment	Miyagi, Sendai, Miyagino	–	2	2026-11-06
Seibu Lions Co., Ltd.	[Precautionary halt]	[Minor]	Company	Personal services and entertainment	Tokyo, Toshima	–	2	2026-11-06