> JapanHacked_Cybersecurity incidents in Japan

Company

JR West Hotels Limited

JR West Hotels Limited (Shimogyo, Kyoto, Kyoto; Accommodation, food and drink) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-11-04.

Profile

Industry/type: Accommodation, food and drink
Location: Kyoto, Kyoto, Shimogyo
Website: https://jrwest-hotels.jp/

Public figures

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Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2026-11-04Updated 2026-11-06Kyoto, Tokyo[Investigating][Severity: Moderate][Through a supplier][Moderate]
Idealog: development/test environment breached; real Kaijo Best Search and other data may leak
[Intrusion][Misconfiguration][Data leak]Organizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2026-11-04	2026-11-06	Idealog: development/test environment breached; real Kaijo Best Search and other data may leak	[Through a supplier]	[Moderate]	[Moderate]	2 Idealog Co., Ltd., JR West Hotels Limited	Kyoto, Tokyo	[Intrusion][Misconfiguration]	[Data leak]	Unknown	[Investigating]