Pro-mec.com listed on RansomHub leak site

• Ransomware group: RansomHub
• Country: Italy
• Sector: Manufacturing
• Announcement date: December 6, 2024

RansomHub claims data breach at pro-mec.com

The threat actor known as RansomHub has officially listed the Italian organization pro-mec.com on its dedicated leak site. According to the announcement published on December 6, 2024, the group claims to have successfully gained unauthorized access to the company's internal systems. This listing is part of the group's typical pattern of publicizing victims to pressure them into meeting demands, a tactic often associated with double extortion ransomware campaigns.

The group's claim suggests that the breach occurred prior to the public announcement, with the attack date cited as October 30, 2024. While the group has published the organization's name on its platform, they have not provided specific details regarding the total volume of data stolen or the specific number of files exfiltrated. Furthermore, no specific ransom demand has been made public in the current announcement.

Details of the alleged exfiltration

RansomHub has claimed that they have exfiltrated various files from the organization's infrastructure. To support their claims, the group has released several document samples to demonstrate the nature of the stolen information. These samples consist of technical documents and project files in PDF format, which appear to be related to engineering and installation projects conducted by the company.

Based on the available information, the following types of data are reported to be involved in the leak:

• Technical project documents
• Business records

The presence of these files on a leak site indicates a significant compromise of the organization's digital environment, potentially exposing sensitive operational workflows and proprietary technical information.

About pro-mec.com

Pro-Mec is an Italian manufacturing company that specializes in metalworking and the production of mechanical components. The organization operates primarily in the machining of precision mechanical parts and provides various industrial solutions to its clients. Given its role in the manufacturing sector, the company handles complex engineering data and technical specifications essential to its industrial operations.

Impact and security implications

This leak may pose significant risks to the organization's intellectual property and trade secrets. Because Pro-Mec is based in Italy, the presence of personal data within the leaked files could lead to legal obligations under the General Data Protection Regulation (GDPR). The exposure of technical and business records can undermine the competitive advantage of manufacturing firms by revealing proprietary processes.

RansomHub is a Ransomware-as-a-Service (RaaS) group that emerged in early 2024. It is reported to have absorbed former affiliates of the ALPHV group. While the group was active during 2024, reports indicate it ceased operations in early 2025. Despite the group's reported status, the impact of the data leak remains a concern for the organization's ecosystem. Specifically, the organization's customers and business partners may be at risk of secondary attacks or targeted phishing attempts stemming from the leaked information.

In such scenarios, organizations in the manufacturing sector often face challenges due to the highly specialized nature of their technical data. To mitigate risks associated with ransomware and data exfiltration, companies typically focus on strengthening their perimeter defenses, implementing strict access controls, and ensuring robust backup strategies are in place. Furthermore, maintaining comprehensive monitoring of network traffic can help detect unauthorized data movement before large-scale exfiltration occurs. Organizations must also remain vigilant regarding the potential for downstream attacks targeting their supply chain partners.