Casa Andina listed on thegentlemen leak site

• Ransomware group: thegentlemen
• Country: Colombia
• Sector: Hospitality
• Announcement date: April 19, 2026

Casa Andina has been listed on a leak site by the threat actor group known as thegentlemen. The announcement, made on April 19, 2026, involves a claim of a data breach against the organization.

The alleged incident

The threat actor group thegentlemen has published a data leak claim regarding Casa Andina on their platform. According to the announcement, the institution was allegedly compromised on March 26, 2026. Information regarding the specific activities and background of the group known as thegentlemen remains limited in the public domain.

Ransomware leak sites are platforms used by cybercriminals to exert pressure on victims. These sites often host lists of compromised organizations to damage their reputation and coerce them into paying ransoms. When a group claims a breach on such a site, it marks a significant escalation in a cyberattack, moving from initial intrusion to the public exposure of potential data theft.

Data involved in the claim

Regarding the specifics of the alleged breach, there is no information provided regarding the nature of the leaked data. Furthermore, no screenshots have been provided by the threat actor to substantiate the claims made on their platform.

Affected data types

• No specific data types were named in the listing.

The organization

Casa Andina is a distributor of construction materials operating in south-western Colombia. The company specializes in a variety of products, including plumbing, construction chemicals, ceramics, and lightweight construction systems. Headquartered in Pasto, Nariño, the company provides a wide range of products for both wholesale and retail channels within the construction and renovation sector.

Potential impacts and security implications

The alleged incident may create negative impacts on the institution's operational continuity and customer trust. Depending on the content of the leaked data, identity theft or targeted phishing attacks may be observed if personal data of employees or customers is exposed. Furthermore, legal processes may be triggered within the framework of data protection regulations in Colombia, where the institution operates.

If the threat actor employs double extortion tactics, the publication of data may increase secondary risks and may also pose security risks for the institution's supply chain partners. Double extortion is a common tactic where attackers not only encrypt an organization's data to disrupt operations but also steal sensitive information to threaten its public release. This method is designed to maximize leverage over the victim by threatening reputational damage and regulatory scrutiny.

In sectors such as construction and distribution, maintaining the integrity of the supply chain is vital. A breach at a major distributor can create ripple effects that impact various partners and stakeholders. Organizations in these sectors often focus on robust data protection measures and incident response planning to mitigate the risks of such attacks. Defensive strategies typically include implementing strict access controls, maintaining regular backups, and ensuring compliance with regional data protection laws to minimize the impact of potential exposure.