Grupo Roa listed on Tengu ransomware leak site

• Ransomware group: Tengu
• Country: Colombia
• Sector: Agriculture and Food Production
• Announcement date: January 16, 2026

Tengu claims responsibility for Grupo Roa data breach

The threat group known as Tengu has published an announcement on its leak site claiming to possess data belonging to Grupo Roa. This latest development follows a pattern common in modern cyberattacks, where threat actors utilize dedicated leak sites to pressure organizations by threatening to release stolen information. In such scenarios, the group claims to have successfully breached the target's network and exfiltrated sensitive files.

On January 16, 2026, the threat group Tengu officially listed Grupo Roa on its leak site, alleging that it has compromised the organization's data. The group claims to hold sensitive documents related to the company's financial and operational processes. This announcement is not merely a text-based claim; the group has supported the notification with a list of files that allegedly belong to various departments within the organization, suggesting a targeted infiltration of the corporate environment.

Claimed data and affected information

The content of the alleged leak is extensive, covering multiple facets of the organization's internal operations. According to the claims made by Tengu, the stolen information includes various types of sensitive documentation that could impact the company's business continuity and privacy standards. The group asserts that the data encompasses critical administrative and financial records.

Specifically, the leak is claimed to include the following types of data:

• Financial records
• Employee data
• Salary information
• Personal data
• Commercial invoices

The inclusion of such diverse data types—ranging from treasury management to commercial invoices and employee-related files—highlights the potential breadth of the breach. The group also mentions the presence of questionnaire files, which may contain significant amounts of personal data.

About Grupo Roa

Grupo Roa is a group of companies founded in 1995. The organization specializes in large-scale construction and infrastructure projects, primarily operating within the southeastern region of Mexico. Given its involvement in significant infrastructure and construction projects, the organization maintains complex operational and financial frameworks to manage its various large-scale endeavors.

Analysis and potential implications

This alleged data breach suggests that the organization's financial and operational processes, as well as the personal data of its employees, may be at risk. The exposure of the claimed data could lead to significant reputational damage and legal consequences for the organization. Because the company operates within Mexico, it may face specific obligations under Mexican data protection regulations, which could potentially trigger administrative fines if the breach is found to be a result of non-compliance with security standards.

Furthermore, the possibility that the leaked data could be utilized for identity theft or targeted phishing attacks should not be overlooked. When sensitive employee information and financial records are exposed, it creates a secondary risk where attackers use that information to conduct highly convincing social engineering campaigns against the company or its clients.

In the broader context of cybersecurity, this incident reflects the ongoing trend of double extortion, where attackers not only encrypt systems but also steal data to use as leverage. Organizations operating in critical sectors like construction and infrastructure often face these risks due to the high value of their project data and financial records. To mitigate such risks, organizations typically focus on robust access controls, encryption of sensitive data at rest and in transit, and continuous monitoring of their network environments to detect unauthorized exfiltration early.

Information regarding the Tengu group remains limited, as the group has not provided extensive details regarding its origins or specific technical methodologies. As of the current date, the situation remains centered on the claims made by the group on their leak site.