Cybersecurity researchers have discovered a malicious npm package that's part of a recently disclosed software supply chain attack campaign dubbed MALFEX.
The package, named "imgdecode," was uploaded to the package registry on September 30, 2026, by a user named "malfexteste8." It has been downloaded 979 times as of writing and is still available on npm as of writing. The latest version of
Cybersecurity researchers are sounding the alarm related to an active campaign in which unknown threat actors are abusing a compromised Microsoft 365 (M365) credential belonging to ConnectWise Cloud Backup (formerly SkyKick) to gain unauthorized access to customers' M365 environments.
ConnectWise Cloud Backup is a cloud-based backup and recovery service built for managed service providers (MSPs