?Ravie Lakshmanan?Apr 07, 2026Vulnerability / Threat Intelligence A China-based threat actor known for deploying Medusa ransomware has been linked to the weaponization of a combination of zero-day and N-day vulnerabilities to orchestrate "high-velocity" attacks and break into susceptible internet-facing systems. "The threat actor's high operational tempo and proficiency in identifying exposed perimeter assets have proven successful, with recent intrusions heavily impacting healthcare organizations, as well as those in the education, professional services, and finance sectors in Australia, the United Kingdom, and the United States," the Microsoft Threat Intelligence team said. Attacks mounted by Storm-1175 have also leveraged zero-day exploits, in some cases, before they have…