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Ransomware

Sirl listed on thegentlemen leak site

Sirl, a Portuguese construction machinery manufacturer, has been listed on the leak site of the thegentlemen group.

By
Siberpol Intelligence Unit
Published
2 min read
2 min read
  • Ransomware group: thegentlemen
  • Country: Portugal
  • Announcement date: July 23, 2026

Sirl listed on thegentlemen leak site

The threat actor known as thegentlemen has listed the Portuguese organization Sirl on its leak site, claiming a data breach has occurred. This announcement, made on July 23, 2026, follows a claimed attack date of July 20, 2026. The group alleges that it has successfully compromised the organization's data and has published this claim on its platform.

Details of the claimed attack

According to the announcement made by thegentlemen, the group claims to have gained unauthorized access to Sirl's systems. However, it is important to note that the group has not provided any screenshots or evidence to support these claims. In many modern ransomware scenarios, threat actors utilize a tactic known as double extortion. In this method, attackers do not merely encrypt an organization's files to disrupt operations; they also exfiltrate sensitive data to use as leverage. By threatening to leak this information on a public platform, the attackers aim to pressure the victim into paying a ransom to prevent the exposure of proprietary or personal information.

While the group has publicized the incident, the accuracy of the organization's data and the true extent of the leak have not yet been verified by independent sources. At this stage, the incident remains an unverified claim made by the threat actor.

Information regarding the leaked data

Regarding the specifics of the breach, there is no information available concerning the content of the leaked data. Furthermore, no screenshots were provided by the group to support the claim of a successful exfiltration. The listing names no specific data types that have been compromised.

About Sirl

Sirl is a manufacturer based in Portugal. Founded in 1988, the company specializes in the production and sale of various industrial tools and machinery. Their product portfolio includes the manufacturing of concrete mixers, construction tools, and welding equipment.

Potential impact and organizational risks

This incident may pose significant risks to the organization's operational continuity and commercial reputation. Depending on the nature of the leaked data, the exposure of employee or customer information could lead to legal sanctions and administrative fines under the General Data Protection Regulation (GDPR). Such regulatory consequences highlight the importance of robust data protection frameworks and strict adherence to privacy standards.

Beyond the immediate impact on Sirl, the breach could create secondary risks for the organization's supply chain. Partners and collaborators within the construction machinery sector may become vulnerable to targeted phishing or fraud attempts if sensitive communication or procurement information is exposed. In such cases, attackers often use stolen information to impersonate trusted business partners to facilitate further attacks.

While information about the thegentlemen group is limited in the public domain, this incident underscores the ongoing threat to industrial manufacturers. Organizations in this sector can mitigate such risks by implementing comprehensive security measures, such as multi-factor authentication, regular system backups, and continuous monitoring of network traffic to detect unauthorized access attempts. Maintaining a strong incident response plan is also essential for managing the potential fallout of a data breach and ensuring business resilience.

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