Majinahanashi claims to have leaked files belonging to CARIBE / SUBRA
The threat actor known as majinahanashi claims to have leaked 21,311 files belonging to CARIBE / SUBRA on their leak site.
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- Ransomware group: majinahanashi
- Country: Colombia
- Announcement date: August 12, 2026
The threat actor known as majinahanashi has claimed to have leaked a significant amount of data belonging to CARIBE / SUBRA on their dedicated leak site. According to the announcement made by the group, the breach involves a large volume of files allegedly exfiltrated from the organization's internal systems.
The alleged incident and claims by majinahanashi
The majinahanashi group announced on August 12, 2026, that they have targeted CARIBE / SUBRA. According to the threat actor's claims, the files were acquired following a security incident that allegedly occurred on July 11, 2026. This timeline suggests that the attackers may have maintained access to the network for several weeks before making the public announcement on their leak site.
Ransomware groups often utilize leak sites as a tool for double extortion. In such scenarios, threat actors do not only encrypt an organization's data to disrupt operations but also steal sensitive information to use as leverage. By threatening to release stolen data publicly, these groups aim to pressure the victim into paying a ransom to prevent the exposure of proprietary or personal information.
Details regarding the allegedly leaked data
The threat actor has listed a specific number of files that they claim were obtained during the attack. While the volume of data is significant, the specific nature of the information remains unconfirmed. The group's announcement included a screenshot, but this image only displays the general interface of the group's leak site and does not provide insight into the specific contents of the files.
- 21,311 files
The listing names no specific data types, and there is no detailed information regarding the content of the allegedly leaked data. Furthermore, no information was provided regarding the total size of the data or the specific ransom demand requested by the group.
About CARIBE / SUBRA
Kaliman Caribe is a construction and infrastructure company based in Colombia. The company operates in the field of various engineering projects and construction services.
Potential impact and organizational considerations
Public information regarding the majinahanashi group remains limited. The alleged leak of 21,311 files may negatively impact the organization's operational continuity and commercial reputation. Because the content of the data has not been clarified, secondary risks such as identity theft and phishing attacks targeting employees or customers may arise.
As an organization operating in Colombia, legal obligations regarding data protection compliance may be triggered by such an incident. When organizations face potential data breaches, it is often advisable to conduct a comprehensive review of their data security measures and to notify the relevant authorities as required by local regulations.
Defensive strategies for organizations in the construction and engineering sectors typically involve implementing robust access controls, maintaining regular offline backups, and conducting continuous monitoring of network traffic to detect unauthorized exfiltration. Furthermore, employee training regarding phishing awareness is a critical component in preventing the initial access often used by ransomware groups.