> JapanHacked_Cybersecurity incidents in Japan

Company

Osaka Corona Hotel Inc.

Osaka Corona Hotel Inc. (Higashiyodogawa, Osaka, Osaka; 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: Osaka, Osaka, Higashiyodogawa
Website: https://www.osakacoronahotel.jp/

Public figures

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Metric	Value	Scope	As of	Source
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Incident history

Disclosed 2026-11-04Updated 2026-11-04Osaka, Tokyo[Investigating][Severity: Critical][Through a supplier][Major]
Navac: RESERVE GATE alpha breach affects up to about 350,000 booking-member records
[Web app exploit][Data leak][Service outage]Leaked 350KOrganizations 2

		Incident	Role	Impact level				Methods	Impacts		Status
2026-11-04	2026-11-04	Navac: RESERVE GATE alpha breach affects up to about 350,000 booking-member records	[Through a supplier]	[Major]	[Critical]	2 Navac Inc., Osaka Corona Hotel Inc.	Osaka, Tokyo	[Web app exploit]	[Data leak][Service outage]	350,000	[Investigating]