Power Rankings: Halcyon Ransomware Malicious Quartile Q4-2023

The report is a Q4-2023 ransomware intelligence brief highlighting a 55.5% year-over-year surge in ransomware attacks (4,368 documented cases), large-scale exploitation of vulnerabilities and zero-days (notably the MOVEit/Cl0p campaign impacting 1,000+ victims), accelerating attacker TTPs (reduced dwell time, automated scans), severe impacts to healthcare and critical sectors, and increasing regulatory and legal pressure on executives and CISOs.