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Medusa and DragonForce Ransomware Exploit RMM Tools in 2025 UK Attacks

Medusa and DragonForce Ransomware Exploit RMM Tools in 2025 UK Attacks

First seen 30 Nov 2025, 12:41 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

In 2025, ransomware groups Medusa and DragonForce targeted UK organizations by exploiting three critical vulnerabilities in the SimpleHelp Remote Monitoring and Management platform. These vulnerabilities (CVE-2024-57726, CVE-2024-57727, CVE-2024-57728) allowed unauthorized access through trusted third-party vendors and Managed Service Providers.

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