Power Rankings: Halcyon Ransomware Malicious Quartile Q1-2024

This Halcyon.ai Q1-2024 ransomware briefing describes the surge in ransomware activity through 2023 and evolving trends in early 2024, including apparent short-term declines tied to law enforcement takedowns and RaaS exit scams. It details high-impact incidents—most notably the BlackCat/ALPHV attack on Change Healthcare—examples of data exfiltration, common exploitation vectors (e.g., exposed MSSQL servers, TeamViewer credential abuse, Citrix and GoAnywhere vulnerabilities), the disproportionate impact on healthcare, LEO and regulatory responses, and recommended cyber-resilience metrics and best practices.