According to Security NEXT, Club Tourism detected third-party access to its servers on October 30, 2026; subsequent investigation confirmed the intrusion vector and method, indicating that some personal data may have been exfiltrated [1]. Approximately 4.32 million online booking member records may be affected, including names, addresses, phone numbers, dates of birth, nationalities, email addresses, member IDs, and emergency contact details [1]. The company has isolated the servers, blocked communications from the attack source, shut down the website, and notified police and regulatory authorities; services will be restored once remediation and security checks are completed [1].
Club Tourism Server Breached, Personal Data of Approximately 4.32 Million Travelers Potentially Exposed
1 min read
- Disclosed
- Nov 4, 2026
- Published
- Nov 10, 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
The company has isolated the servers, blocked communications from the attack source, shut down the website, and notified police and regulatory authorities; services will be restored once remediation and security checks are completed [1].
Timeline
- Security NEXT publishes report (date only; timestamp is a placeholder)[1]
Technical details
Verified Source Summary
Club Tourism detected third-party access to its servers on October 30, 2026; subsequent investigation confirmed the intrusion vector and method, indicating that some personal data may have been exfiltrated [1].
Approximately 4.32 million online booking member records may be affected, including names, addresses, phone numbers, dates of birth, nationalities, email addresses, member IDs, and emergency contact details [1].
The company has isolated the servers, blocked communications from the attack source, shut down the website, and notified police and regulatory authorities; services will be restored once remediation and security checks are completed [1].
References
Media1
- [1]
“クラブツーリズムは、サイバー攻撃により顧客の個人情報が流出した可能性があることを明らかにした。”
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.