Clackamas Community College listed on Medusa ransomware leak site

• Ransomware group: Medusa
• Country: United States
• Sector: Education
• Announcement date: November 7, 2025

The Medusa ransomware group has listed Clackamas Community College on its leak site, claiming to possess 1.21 TB of data stolen from the institution. This announcement, made on November 7, 2025, follows a claimed attack date of October 29, 2025.

Details of the claimed attack

The threat actor known as Medusa has officially listed Clackamas Community College on its dedicated leak site, issuing a formal ransom demand. According to the group's claims, they have successfully exfiltrated 1.21 TB of data from the institution's internal systems. To facilitate the return of the stolen information, the group is reportedly demanding a ransom payment of 300,000 USD.

Ransomware groups like Medusa often utilize a tactic known as double extortion. In this model, attackers do not merely encrypt an organization's data to disrupt operations; they also steal sensitive information before the encryption occurs. This allows the threat actors to pressure the victim through the threat of leaking the stolen data publicly, increasing the pressure to pay the ransom. This method is particularly effective against organizations that cannot afford downtime or those that handle significant amounts of sensitive information.

Data involved in the incident

The specific content of the leaked data has not been disclosed by the threat actor. However, given the institution's profile, which includes a population of 936 employees and a large student body, there is a possibility that the stolen information contains sensitive personal information. The listing does not name any specific data types.

About Clackamas Community College

Clackamas Community College is a higher education institution located in Oregon. The college offers a variety of academic programs, including associate degrees, certificate programs, and vocational training. The institution is designed to support students in achieving their career goals through a variety of academic programs and a community-focused educational approach.

Analysis and potential impact

Medusa is a Ransomware-as-a-Service (RaaS) group that has been active since 2021. As an educational institution, there is a possibility that the leaked data includes sensitive student and staff records. Such an incident may trigger legal obligations under relevant US state laws and data protection regulations. The potential exposure of this data could lead to secondary risks for individuals, such as identity theft and targeted phishing attacks.

Risks and organizational considerations

The incident may result in significant operational disruptions for the college. For organizations within the education sector, such breaches highlight the importance of robust cybersecurity frameworks. Common defensive steps for organizations include implementing multi-factor authentication, maintaining regular offline backups, and conducting regular security awareness training for staff and students to prevent initial access via phishing.

Furthermore, the potential for secondary attacks, such as identity theft, underscores the necessity for organizations to have comprehensive incident response plans. When data is exfiltrated, the risk extends beyond the immediate operational impact to the long-term privacy and security of the individuals whose data was compromised. Organizations must be prepared to navigate the legal and regulatory complexities that arise when sensitive personal information is potentially exposed to the public domain.