Greenball.com listed on Clop ransomware leak site

• Ransomware group: Clop
• Country: United States
• Sector: Manufacturing
• Announcement date: November 21, 2025

The Clop ransomware group has listed GREENBALL.COM on its dedicated leak site, alleging that the organization has suffered a data breach. This announcement, made by the threat actor group, marks a new addition to the list of targets claimed by the group on their platform.

The details of the claim

On November 21, 2025, the Clop group officially announced the inclusion of GREENBALL.COM on its leak platform. In the announcement, the group shared a warning message directed at the organization, claiming that the company has neglected its security measures. This specific listing appeared on the platform alongside several other organizations that have been targeted by the same group.

Ransomware leak sites function as a public pressure tactic used by cybercriminals. When an organization is targeted, these groups post the company's name to damage its reputation and pressure the victim into paying a ransom. The presence of a company on such a site is a claim made by the threat actors, rather than a confirmed forensic fact.

Data involved in the alleged breach

Regarding the specifics of the incident, no information has been provided by the group concerning the nature of the data allegedly leaked or compromised. The announcement does not specify the types of files, the volume of information, or the specific systems that were accessed during the alleged attack.

In many modern ransomware campaigns, threat actors utilize a tactic known as double extortion. In this scenario, the attackers do not just encrypt an organization's data to disrupt operations; they also exfiltrate sensitive information before the encryption occurs. This allows them to threaten the public release of the data if the ransom is not met, significantly increasing their leverage over the victim.

About Greenball.com

Greenball is a company based in the United States that operates within the manufacturing sector. The organization specializes in the manufacturing and distribution of tires and wheels designed for both automotive and industrial applications. Their product portfolio is focused on providing specialized tire solutions for various uses, including off-road vehicles, trailers, and specialty equipment.

Analysis and potential risks

The Clop group is well-known in the cybersecurity landscape for its history of conducting large-scale data exfiltration campaigns. They frequently achieve these results by exploiting vulnerabilities in file transfer software to gain access to corporate networks. The current situation involving GREENBALL.COM suggests that unauthorized access to the organization's systems may have occurred.

Because the organization is a US-based entity, a potential data breach could trigger significant legal consequences. Such an event may initiate legal processes under various state-level data protection laws and specific sectoral regulations. Beyond the immediate legal implications, there are secondary risks that the organization must consider. These include the possibility of identity theft or the occurrence of targeted phishing attacks aimed at the organization's employees and customers.

For organizations operating in the manufacturing and distribution sectors, maintaining robust security postures is critical. This includes regular patching of software, particularly file transfer protocols, and implementing strict access controls to prevent unauthorized entry. Monitoring for unusual data movement can also help identify exfiltration attempts before they result in a public leak. As seen in this case, the threat of public exposure via a leak site remains a primary driver for modern ransomware groups.