String of fileless malware attacks possibly tied to single hacker group

Several attacks observed over the past few months that rely heavily on PowerShell, open-source tools, and fileless malware techniques might be the work of a single group of hackers.An investigation started by security researchers from Morphisec into a recent email phishing attack against high-profile enterprises pointed to a group that uses techniques documented by several security companies in seemingly unconnected reports over the past two months."During the course of the investigation, we unc