> JapanHacked_Cybersecurity incidents in Japan

Company

Yokohama DeNA BayStars Baseball Club, Inc.

Yokohama DeNA BayStars Baseball Club, Inc. (Naka, Yokohama, Kanagawa; Personal services and entertainment) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-04-03.

Profile

Industry/type: Personal services and entertainment
Location: Kanagawa, Yokohama, Naka
Website: https://www.baystars.co.jp/

Public figures

Employees3702026-08-18
METI: Gビズインフォ

Metric	Value		As of	Source
Employees	370		2026-08-18	METI: Gビズインフォ

Incident history

Disclosed 2026-04-03Updated 2026-10-23Kanagawa, Tokyo[Contained][Severity: Critical][Through a supplier][Major]
CAMPFIRE: unauthorized access to its GitHub account
[Credential abuse][Data leak]Leaked 225.8KOrganizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2026-04-03	2026-10-23	CAMPFIRE: unauthorized access to its GitHub account	[Through a supplier]	[Major]	[Critical]	2 CAMPFIRE, Inc., Yokohama DeNA BayStars Baseball Club, Inc.	Kanagawa, Tokyo	[Credential abuse]	[Data leak]	225,846	[Contained]