GreenBest listed on Qilin ransomware leak site

• Ransomware group: Qilin
• Country: United Kingdom
• Sector: Agriculture and Food Production
• Announcement date: December 2, 2025

Qilin ransomware group targets GreenBest

The Qilin ransomware group has listed GreenBest on its leak site, alleging a data breach. This announcement, made on December 2, 2025, suggests that the organization has been targeted in a cyberattack involving the exfiltration of information.

The group claims to have compromised the organization's data and has published information regarding this incident. According to the announcement, various files related to the company's operations have been exfiltrated. This type of activity is characteristic of modern ransomware operations, where attackers move beyond simply encrypting systems to actively stealing sensitive information to increase their leverage.

Details of the alleged breach

The event was officially announced on the group's leak site on December 2, 2025. The group claims to have successfully breached the organization's digital environment and has published information regarding the incident. While the group asserts that files related to the company's operations have been exfiltrated, specific details regarding the volume or nature of the data remain unclear.

The listing names no specific data types, as the provided images used to support the claim are blurred, making the content of the exfiltrated files unidentifiable. No information was provided regarding the total size of the data, the specific file count, or the ransom demand requested by the attackers.

The organization profile

GreenBest is a UK-based company operating in the agriculture and food production sector. The company focuses on the supply of agricultural products and food production processes.

Analysis and potential implications

The Qilin group is a Ransomware-as-a-Service (RaaS) entity that has been active since 2022. This group is known for employing double extortion tactics. In a double extortion scheme, attackers not only encrypt the victim's data to disrupt operations but also steal sensitive information, threatening to leak it publicly if a ransom is not paid. This method significantly increases the pressure on the victim, as the threat of data exposure can cause lasting damage even if the systems are restored from backups.

This alleged breach may impact the organization's operational continuity and commercial reputation. Because the company is based in the United Kingdom, a potential data breach could trigger legal processes under UK GDPR. Furthermore, secondary risks may include the misuse of employee or customer information and the potential for targeted phishing attacks against the organization or its partners. Given the group's historical attack profile, it is possible that the exfiltrated data could be further exposed in the future.

For organizations operating in the agriculture and food production sector, maintaining robust cybersecurity defenses is critical for operational stability. Common defensive steps for organizations include implementing multi-factor authentication, maintaining offline backups, and conducting regular security awareness training for employees to prevent initial access through phishing. Monitoring for unauthorized data exfiltration and ensuring compliance with regional data protection regulations are also vital components of a modern security posture.