malware · Thu 01 Oct 2026 · 07:36 UTC
MSP360 RMM Abused in Phishing Campaigns to Deploy ScreenConnect
Filed UTCSource THC ↗
Attackers are leaning on legitimate remote management software to slip past defenses. In July 2026, Microsoft Defender Experts tracked phishing campaigns hitting organizations in multiple industries with a disguised MSP360 Remote Monitoring and Management (RMM) installer, spread through meeting invitations, PDF-themed lures, software update prompts, and other social-engineering bait. The genuine MSP360 RMM software gave attackers a foothold, which they then used to install a ConnectWise ScreenConnect client as a redundant access channel. Microsoft found no exploitation of ScreenConnect itself.
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