Ransomware Group: MEDUSA

VICTIM NAME: Sermo

NOTE: No files or stolen information are [exfiltrated/downloaded/taken/hosted/seen/reposted/disclosed] by RedPacket Security. Any legal issues relating to the content of the files should be directed at the attackers directly, not RedPacket Security. This blog is simply posting an editorial news post informing that a company has fallen victim to a ransomware attack. RedPacket Security is in no way affiliated or aligned with any ransomware threat actors or groups and will not host infringing content. The information on this page is fully automated and redacted whilst being scraped directly from the MEDUSA Onion Dark Web Tor Blog page.

AI Generated Summary of the Ransomware Leak Page

The ransomware leak page pertains to Sermo, a professional online community exclusively for licensed physicians. The platform facilitates peer-to-peer collaboration, medical crowdsourcing, and real-time clinical discussions. The leak indicates that the organization’s data was compromised around July 1, 2025, highlighting a significant cybersecurity incident within the healthcare sector in the United States. The company, located in New York City, employs over 450 staff members and serves more than 500 users, including external third parties. The breach involves a ransom demand of approximately $500,000, suggesting the attackers are seeking monetary compensation for the exfiltrated data. The page includes a screenshot of internal information, which appears related to the compromised system, but no explicit sensitive details are revealed in the public leak.

The leak’s visual evidence shows a screenshot of internal platform content, possibly administrative or user interface data. The breach was discovered on July 6, 2025, a few days after the attack date, indicating active investigation and response efforts. Despite the sensitive nature of the healthcare industry and the potential for serious implications, no detailed PII or confidential clinical data has been publicly disclosed through this leak. The affected group is identified as ‘medusa,’ but specific technical or security vulnerabilities have not been outlined. Overall, this incident underscores ongoing cybersecurity risks faced by healthcare organizations, especially those hosting sensitive professional and patient-related information, and highlights the importance of strong protective measures against targeted ransomware attacks.