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Cephalus Ransomware Deployed via Stolen RDP Credentials

First seen 8 Nov 2025, 12:36 UTC • •

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

Threat actors are exploiting exposed Remote Desktop Protocol (RDP) credentials to deploy Cephalus ransomware. This attack targets organizations that have not secured their RDP access, leading to potential data breaches and operational disruptions. The exact number of affected entities and the scale of the attack remain unclear.

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