The threat actor known as Storm-0501 has targeted government, manufacturing, transportation, and law enforcement sectors in the U.S. to stage ransomware attacks.The multi-stage attack campaign is designed to compromise hybrid cloud environments and perform lateral movement from on-premises to cloud environment, ultimately resulting in data exfiltration, credential theft, tampering, persistent backdoor access, and ransomware deployment, Microsoft said."Storm-0501 is a financially motivated cybercriminal group that uses commodity and open-source tools to conduct ransomware operations," according to the tech giant's threat intelligence team.