According to iThome, hotel operator Hoya Resort Hotel Group (富野) issued a material information filing on April 8 stating that a branch office's IT system had suffered a cyberattack; upon detection, cybersecurity personnel immediately activated defense mechanisms, collaborated with external experts, and restored systems from daily backups with no material impact on daily operations [1]. Notably, this was not the first cyberattack experienced by the company [1]. Two months earlier, the company had also issued a material filing reporting a cyberattack on a branch office's IT systems and announced plans to elevate its information security defenses [1].
This event has not been officially confirmed. Content is based on media or third-party reports.
Backfill: this event became public on Apr 10, 2024 and we added it on Nov 8, 2026. It is not a new event.
MediumMonitoringBackfillMedia reported
Hotel Operator Hoya Resort Hotel Group Confirms Cyberattack on Branch IT Systems
1 min read
- Disclosed
- Apr 10, 2024
- Published
- Nov 8, 2026
- Last updated
- Nov 7, 2026
- CVSS basis
- Our assessment
- Attack vector
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Hospitality & food service
What to do nowOur advice
Two months earlier, the company had also issued a material filing reporting a cyberattack on a branch office's IT systems and announced plans to elevate its information security defenses [1].
Timeline
- Media reports on the cybersecurity incident[1]
Technical details
Source-Supported Details
Source excerpt for verification: "4月8日旅館業者富野發布重大訊息， 表示他們的分公司資訊系統遭受網路攻擊 ，資安人員察覺後第一時間啟動相關防禦機制，並與外部專家協同處理，且使用日常備份資料進行復原，對日常營運尚無重大影響。" [1].
References
Media1
- [1]
“4月8日旅館業者富野發布重大訊息， 表示他們的分公司資訊系統遭受網路攻擊 ，資安人員察覺後第一時間啟動相關防禦機制，並與外部專家協同處理，且使用日常備份資料進行復原，對日常營運尚無重大影響。”
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.