Kintetsu World Express: ransomware caused a server failure that disrupted part of its operations, with no data leak confirmed
A ransomware attack caused a continuing server failure and disrupted part of its operations. No data leak had been confirmed at the time of the announcement.
Disclosed
2025-04-28
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
What happened
It announced that the cause of the server failure was unauthorized access by a third party through ransomware. It set up an emergency response headquarters, started a forensic investigation with outside experts and consulted the police. [1] [3]
It updated that the system was almost restored and that services suspended in some regions were resuming in turn. It said it would contact affected customers individually if the customer database was found to be affected. [2]
Timeline
- Detected, Disclosed 2025-04-28
- 1 days
Attack or cause
- Method
- [Ransomware]
- Impact
- [Service outage]
- Entry point
- Unknown
Data exposed or at risk
–
Organizations involved
[Breached][Moderate]Tokyo, MinatoTransport and postal services
Kintetsu World Express, Inc.
Sources
- [1][Official]弊社システムに対するランサムウェア攻撃についてKintetsu World Express, Inc. · 2025-04-28
- [2][Official]弊社システムに対するランサムウェア攻撃について – 2025/05/06更新 –Kintetsu World Express, Inc. · 2025-05-06
- [3][News]近鉄エクスプレスへランサムウェア攻撃ScanNetSecurity · 2025-05-15 08:05