Key Takeaways LockBit is back. After being disrupted in early 2024, the ransomware group has resurfaced and is already extorting new victims. New version, new victims. Check Point Research identified a dozen organizations hit in September 2025, half by the new LockBit 5.0 (“ChuongDong”) variant. Expanded targeting. The group is deploying attacks across Windows, Linux, and ESXi environments in Europe, the Americas, and Asia. Check Point Harmony Endpoint and Quantum protect customers agains...
