Ransomware actors are exploiting unpatched SimpleHelp RMM instances to target utility billing software customers, emphasizing the need for updates and threat mitigation. The attack pattern highlights ongoing vulnerabilities exploited by groups like DragonForce and others, with mitigation strategies recommended by CISA. #SimpleHelp #DragonForce
Keypoints
- Ransomware groups are targeting unpatched SimpleHelp RMM versions since January 2025.
- CISA recommends updating, isolating servers, and monitoring for unusual activity to prevent breaches.
- SimpleHelp versions 5.5.7 and earlier are vulnerable to multiple CVEs, including privilege escalation and remote code execution.
- Attacks by groups like DragonForce involve double extortion and pivoting through downstream customers.
- Other ransomware campaigns, like Fog and LockBit, employ advanced tactics, including use of legitimate tools and targeting China.
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