Ecuacorriente S.A. listed on thegentlemen leak site

• Ransomware group: thegentlemen
• Country: Ecuador
• Sector: Energy & Utilities
• Announcement date: November 25, 2025

Mining company listed by thegentlemen

The mining company Ecuacorriente S.A. has been listed on the leak site of the threat actor known as thegentlemen. This announcement, which surfaced on November 25, 2025, indicates that the group claims to have compromised data belonging to the organization.

The listing was made public through the group's own platform. While the group has officially claimed the attack, specific details regarding the nature or the content of the allegedly compromised data have not been provided by the threat actor. Furthermore, the provided documentation regarding the incident includes a screenshot that shows a verification error encountered while attempting to access the group's leak site, complicating immediate verification of the claim.

Details of the claimed attack

According to the announcement made on November 25, 2025, the thegentlemen group has targeted Ecuacorriente S.A. The group claims that the organization's data has been compromised. In many modern ransomware scenarios, threat actors utilize leak sites to apply pressure on victims through a tactic known as double extortion. In such cases, attackers not only encrypt an organization's systems but also steal sensitive data, threatening to release it publicly if a ransom is not paid. This method is designed to maximize leverage by threatening the victim's reputation and legal standing.

At this stage, the listing names no specific data types that have been allegedly stolen. There is no information available regarding the total size of the data or the specific number of files involved in the purported breach. Additionally, no ransom demand has been publicly stated by the group in relation to this specific target.

About Ecuacorriente S.A.

Ecuacorriente S.A. is a mining company operating in Ecuador. The company is responsible for the management of the Mirador Copper Mine. It is operated by China Railway Construction Copper Crown Investment Co., Ltd. The organization's primary focus involves copper concentrate production and various mineral processing operations.

Potential impact and industry implications

This incident suggests that operational and corporate data within Ecuacorriente S.A. may be at risk. If a data breach has occurred, sensitive information such as trade secrets and employee records could be exposed. Such an exposure can lead to significant consequences for a company's operations and its standing within the industry.

Beyond the immediate loss of data, the organization may face legal obligations under data protection regulations in Ecuador. Furthermore, such a breach could pose secondary risks to the organization's supply chain partners, as interconnected business processes often mean that a compromise in one company can impact others in the network. Information about the thegentlemen group remains limited, making it difficult to determine their specific motivations or long-term patterns.

For organizations operating in the energy and utilities sectors, particularly in resource extraction, maintaining robust cybersecurity postures is critical. Common defensive steps for organizations include implementing multi-factor authentication, maintaining regular offline backups, and conducting regular security audits to identify vulnerabilities. Protecting the integrity of operational technology and corporate networks is essential to prevent the unauthorized access and subsequent exfiltration of sensitive industrial and personal information.