A new kind of Hyper-V ransomware attack is raising alarms across the cybersecurity landscape. RedCurl, a corporate cyber-espionage group known for stealthy attacks since 2018, has pivoted to deploying custom ransomware called QWCrypt. Unlike common ransomware campaigns focused solely on ransom payments, RedCurl’s approach fuses espionage and extortion—targeting Hyper-V environments that form the backbone of […]