SystemExec Co., Ltd. experienced a data breach involving a leak of over 30GB from their GitLab naked repository, allegedly perpetrated by the threat actor Cephalus. The incident has impacted Japan. #Japan
Incident Details
- Victim: SystemExec Co., Ltd.
- Country:
- Actor: cephalus
- Source: https://darkforums.st/Thread-Source-Code-SystemExec-Co-Ltd-%E3%82%B7%E3%82%B9%E3%83%86%E3%83%A0%E3%82%A8%E3%82%B0%E3%82%BC-GitLab-naked-repo-leak-30G
- Discovered: 2025-08-26 14:44:13.444706
- Published: 2025-08-26 14:43:39
Information
- Ransomware attack targeted SystemExec Co., Ltd.
- Threat actor responsible: Cephalus
- Leak of a 30+ gigabyte GitLab naked repository
- The incident involved the exposure of sensitive data stored in the repository
Disclaimer: This post is based on public claims made by the ransomware group "cephalus". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.