A specter is haunting Europe — the specter of ransomware. After a global lull in 2024 and 2025, the ransomware-as-a-service (RaaS) ecosystem appears to be back to form, at least in Europe. Researchers from Black Kite tracked 684 ransomware attacks across the continent through the first four months of 2026. That’s 55% more than the 441 recorded…