RansomHub ransomware group lists andreyevengineering.com on its leak site

• Ransomware group: RansomHub
• Country: Russia
• Sector: Manufacturing
• Announcement date: March 3, 2025

RansomHub claims data breach at andreyevengineering.com

The RansomHub ransomware group has listed andreyevengineering.com on its dedicated leak site. According to the group's announcement, the breach involves a significant volume of data allegedly stolen from the organization. The group claims to have obtained 7 GB of data following an attack they stated occurred on March 3, 2025.

Ransomware groups often utilize leak sites as a method of double extortion. In this common tactic, threat actors not only encrypt an organization's internal systems to disrupt operations but also steal sensitive information to use as leverage. By threatening to publish stolen data on public platforms, attackers aim to pressure the victim into paying a ransom to prevent the exposure of proprietary or sensitive information. This method increases the pressure on the target, as the consequences of a leak can extend far beyond immediate operational downtime.

Details of the alleged data theft

The announcement made by RansomHub includes various screenshots intended to prove the validity of their claims. These visual proofs demonstrate that the attackers have access to internal documents belonging to the organization. Based on the provided screenshots, the leaked information reportedly includes a variety of technical and administrative files.

The data said to be involved includes:

• Client contact information
• Technical geotechnical reports
• Legal documents
• Invoice information

The presence of such diverse data types suggests that the attackers may have gained access to multiple departments within the organization, ranging from technical engineering teams to administrative and legal departments. The exposure of such information can lead to various secondary risks, such as targeted phishing attacks or the exposure of trade secrets for the organization's partners and clients.

About andreyevengineering.com

Andreyev Engineering is a Russia-based engineering and manufacturing company. It operates in the fields of industrial projects, technical design, and production processes. Given the nature of its operations, the organization handles complex technical data and manages various industrial and engineering-related workflows.

Risk assessment and organizational implications

The allegedly leaked data may contain sensitive information regarding the organization's clients and ongoing projects. This could pose secondary risks such as targeted phishing attacks or the exposure of trade secrets for the organization's partners and clients. Furthermore, the compromise of the corporate network may present risks concerning supply chain security, as the breach of one manufacturer can impact the security posture of its entire network of partners and clients.

It is worth noting that the RansomHub group has been reported to have ties to ALPHV, and their operations were said to have ceased in early 2025. Consequently, this listing may represent one of the group's final activities. Depending on the region and sector in which the organization operates, the data breach may have legal implications under relevant local regulations and privacy laws.

To defend against such threats, organizations in the manufacturing and engineering sectors typically implement several defensive layers. These include robust network segmentation to prevent lateral movement by attackers, comprehensive endpoint detection and response (EDR) solutions, and strict access controls to limit the exposure of sensitive technical and client data. Additionally, regular backups and comprehensive incident response plans are essential components of a modern cybersecurity strategy to mitigate the impact of a successful intrusion.