Clop ransomware group lists AIRLIQUIDE.COM on its leak site

• Ransomware group: Clop
• Country: France
• Sector: Manufacturing
• Announcement date: February 10, 2025

Clop ransomware group claims data breach at Air Liquide

The Clop ransomware group has listed AIRLIQUIDE.COM on their leak site, claiming that a data breach has occurred. This announcement, made on February 10, 2025, marks a new development in the ongoing activity of the threat actor group against large-scale industrial entities.

Ransomware leak sites are platforms used by cybercriminal groups to exert pressure on victims through a tactic known as double extortion. In these scenarios, attackers not only encrypt an organization's data but also threaten to release sensitive information publicly if a ransom is not paid. This method aims to maximize the impact of the attack by threatening the victim's reputation and regulatory standing.

Details of the alleged attack

According to the announcement made by the threat actor known as Clop, the organization was listed on the group's leak platform on February 10, 2025. In their communication, the group claims that the organization neglected its security measures. The group included a warning message regarding this alleged negligence as part of their public announcement on their dedicated leak site.

The announcement was executed through the publication of the entity on the group's leak site, which serves as a public notice to the organization and the broader community regarding the alleged compromise.

Information regarding the leaked data

At this stage, no specific details regarding the nature or content of the allegedly leaked data have been provided by the threat actors. The listing does not specify the volume of files or the specific types of information that have been compromised.

Affected data types

• No specific data types were named in the listing.

About Air Liquide

Air Liquide is a French multinational company that provides gases, technologies, and services for industrial and healthcare sectors. Operating globally, the company specializes in the production of oxygen, nitrogen, and hydrogen, with a focus on energy and healthcare.

Risk assessment and industry implications

Given Clop's history of exploiting file transfer software vulnerabilities, it is possible that this incident could pose risks to the organization's supply chain or operational data. The group's association with TA505 suggests that these attacks could be large-scale and systematic in nature.

As the organization is based in France, any potential data breach may lead to regulatory consequences under GDPR. Furthermore, secondary risks such as identity theft or targeted phishing attacks against customers and employees may emerge following such an event.

For organizations operating in the manufacturing and industrial services sectors, maintaining robust security postures is critical. Common defensive steps for organizations include implementing multi-factor authentication, maintaining regular offline backups, and ensuring that all software, particularly file transfer protocols, is patched against known vulnerabilities. Monitoring for unusual network traffic and conducting regular security audits can also help mitigate the risks posed by sophisticated threat actors like Clop.