Clop ransomware group lists Centinela.com.br on leak site

• Ransomware group: Clop
• Country: Brazil
• Sector: Professional Services
• Announcement date: February 7, 2026

The Clop ransomware group has listed CENTINELA.COM.BR on its dedicated leak site, alleging that the organization has been the victim of a data breach. This development marks a new potential security incident involving a prominent professional services firm based in Brazil.

The alleged breach by Clop

On February 7, 2026, the threat actor known as Clop added CENTINELA.COM.BR to its leak platform. By listing the organization, the group claims to have successfully gained access to data belonging to the company. The publication of this listing on a public leak site suggests that a security breach may have occurred within the organization's internal systems.

Ransomware leak sites are frequently used by cybercriminals as a tool for double extortion. In this model, attackers do not merely encrypt an organization's data to demand a ransom for decryption; they also threaten to publish sensitive information on these public platforms if the ransom is not paid. This tactic is designed to maximize pressure on the victim by threatening their reputation and legal standing.

Details regarding the claimed data

The nature of the allegedly leaked data has not been specified by the threat actors. While the group has added the organization to its queue, the provided information is limited to a screenshot displaying the leak platform's queue page. Consequently, the specific types of files or the volume of information involved remain unknown at this time.

• No specific data types have been named in the listing.

About Centinela.com.br

Centinela is a security and risk management consultancy firm based in Brazil. The organization provides corporate clients with a variety of specialized services, including security strategies, risk analysis, and operational security solutions. As a firm dedicated to protecting other businesses, the security of its own infrastructure is of critical importance to its operational integrity.

Analysis and potential implications

This incident suggests that there may be vulnerabilities in the organization's data security processes. Because the organization operates within Brazil, a confirmed data breach could lead to significant legal obligations under the LGPD (General Data Protection Law). Such regulations often require companies to report breaches and implement strict protections for personal data to avoid heavy penalties.

The historical operational style of the Clop group suggests that the listing may be intended to exert pressure for ransom demands before any actual data is published. Historically, the Clop group has been known to exploit vulnerabilities in file transfer software to gain access to corporate environments. It is possible that corporate data was exfiltrated using a similar method in this instance.

The exposure of sensitive data can create significant secondary risks for both employees and customers. These risks include the potential for identity theft or the execution of highly targeted phishing attacks using the stolen information. To defend against such threats, organizations typically focus on hardening their perimeter, implementing strict access controls, and ensuring that all software, especially file transfer tools, is patched against known vulnerabilities.

Summary of the situation

As of the announcement, the situation remains an allegation by the Clop group. The lack of specific details regarding the stolen data or the method of entry means that the full scope of the impact cannot be determined until further information is provided by the threat actors or the organization itself.