Phishing Campaign Hits 80+ Orgs Using SimpleHelp and ScreenConnect RMM Tools
May 04, 2026
Network Security / Endpoint Security
An active phishing campaign has been observed targeting multiple vectors since at least April 2025 with legitimate Remote Monitoring and Management (RMM) software as a way to establish persistent remote access to compromised hosts. The activity, codenamed VENOMOUS#HELPER , has impacted over 80 organizations, most of which are in the U.S., according to Securonix. It shares overlaps with clusters previously tracked by Red Canary and Sophos, the latter of which has given it the moniker STAC6405 . While it's not clear who is behind the campaign, the cybersecurity company said it aligns with a financially motivated Initial Access Broker (IAB) or a ransomware precursor operation. "In this case, a customized SimpleHelp and ScreenConnect RMMs are used to bypass defenses as they are legitimately installed by the unsuspecting victim," researchers Akshay Gaikwad, Shikha Sangwan, and Aaron Beardslee said in a report shared with The Hacker News. Setting aside the fact that the ...