C4 (Carroll County Cannabis Co.) listed on Qilin ransomware leak site

• Ransomware group: Qilin
• Country: United States
• Sector: Manufacturing
• Announcement date: February 10, 2026

Qilin ransomware group claims data breach at C4

The threat actor known as Qilin has listed C4 (Carroll County Cannabis Co.) on its dedicated leak site, alleging that the organization has suffered a data breach. This announcement, made on February 10, 2026, marks a new development in the group's ongoing activities targeting various sectors.

According to the claims made by the group, the attackers successfully gained unauthorized access to the systems belonging to C4. Following this access, the group alleges that they were able to exfiltrate data from the organization's network. As part of their public announcement, the threat actors have released several document samples that they claim belong to the operational processes of the organization.

Details regarding the claimed data exfiltration

While the group has published evidence to support their claims, specific details regarding the full scope or the exact nature of the stolen information remain unavailable. The information released by the threat actor consists of screenshots displaying various document and spreadsheet samples. These files appear to be related to the internal operational processes of the organization.

Despite the presence of these samples, the listing does not provide a comprehensive inventory of the stolen files. The following details summarize the current state of information regarding the data involved:

• The listing names no specific data types or categories of information.

Because the group has not specified the total volume of data or the exact number of files taken, the full extent of the compromise remains unquantified at this time.

About Carroll County Cannabis Co.

Carroll County Cannabis Co. (C4) is a specialized organization based in Maryland, USA. The company focuses on the cultivation and processing of medical cannabis products, operating within the manufacturing sector of the United States.

Analysis and implications of the incident

This incident suggests that the organization's operational data and sensitive information may be at risk of exposure. The nature of the threat is heightened by the known tactics of the Qilin group, which is recognized for employing double-extortion methods. In a double-extortion scenario, attackers not only encrypt an organization's data to disrupt operations but also steal sensitive information to use as leverage, threatening to leak it publicly unless a ransom is paid.

Given this history, it is possible that the organization could face further data leaks or ransom demands in the future. As a United States-based entity, C4 may be subject to various regulatory requirements, including relevant state laws and federal data protection standards regarding the handling of sensitive information.

Furthermore, the leaked data, if verified, could potentially be utilized by malicious actors for identity theft or targeted phishing campaigns against the organization or its stakeholders. The group's history indicates a pattern of targeting various sectors, including manufacturing and healthcare, which highlights the broad reach of their operations.

For organizations operating in similar sectors, maintaining robust cybersecurity postures is essential. This includes implementing strict access controls, continuous monitoring of network traffic to detect unauthorized exfiltration, and ensuring that all data handling complies with regional legal standards to mitigate the impact of potential leaks.