Narumi (Thailand) Co.,Ltd. listed on thegentlemen ransomware leak site
Narumi (Thailand) Co.,Ltd., a Thailand-based automotive parts manufacturer, has been listed on the leak site of the threat actor known as thegentlemen.
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- Ransomware group: thegentlemen
- Country: Thailand
- Sector: Manufacturing
- Announcement date: September 9, 2025
Thegentlemen claims access to Narumi (Thailand) Co.,Ltd. data
The threat actor known as thegentlemen has officially listed the manufacturing firm Narumi (Thailand) Co.,Ltd. on its dedicated leak site. This announcement, which appeared on the group's own platform, indicates a potential data breach involving the Thailand-based organization. According to the claim made by the threat group, they have successfully gained unauthorized access to the company's internal data environment.
The announcement was published on September 9, 2025. While the listing confirms the group's intent to publicize the incident, the information provided by the threat actor remains limited in scope. The group's presence on leak sites is a common tactic used to pressure organizations into meeting specific demands through public exposure.
Details of the alleged breach
Regarding the specifics of the incident, the threat group has not provided comprehensive details concerning the nature of the alleged leaked data. The announcement focuses on the listing of the organization itself rather than providing a granular breakdown of the compromised assets. Furthermore, the provided screenshots associated with the claim do not contain any detailed file lists or specific data samples related to the breach.
The listing names no specific data types that have been compromised during this alleged incident.
About Narumi (Thailand) Co.,Ltd.
Narumi (Thailand) Co.,Ltd. is a significant player in the automotive manufacturing sector. The company operates as a subsidiary of the Japan-based Narumi Goukin Manufacturing. Specializing in the production of plastic automotive components, the company manufactures essential parts such as door handles and roof rails.
The company's manufacturing operations are located within the WHA Eastern Seaboard Industrial Estate in Thailand. As a key supplier in the regional automotive supply chain, Narumi (Thailand) Co.,Ltd. provides components to major global automotive manufacturers, including Mitsubishi and Honda.
Risk assessment and industry implications
The potential leak of corporate data poses significant risks to the organization and its broader business ecosystem. For a specialized manufacturer like Narumi (Thailand) Co.,Ltd., the exposure of sensitive information could jeopardize trade secrets and impact relationships with supply chain partners. Furthermore, the company may face various legal obligations and regulatory requirements under the data protection laws applicable in Thailand.
If the claimed data is eventually published, secondary risks may emerge, including the potential for identity theft or highly targeted phishing attacks directed at the company's employees and its business partners. Such attacks often exploit the trust established within professional supply chains.
In the modern cybersecurity landscape, ransomware groups frequently employ double extortion tactics. This method involves not only encrypting an organization's systems to disrupt operations but also stealing sensitive data to use as leverage for extortion. Consequently, the company may face risks to its operational continuity. To defend against such threats, organizations in the manufacturing sector typically focus on robust data protection, strict access controls, and comprehensive monitoring of their digital environments to mitigate the impact of unauthorized access.