Ransomware Trends Report | Q4 2025

Sector-Specific Intelligence. Global Impact.

Ransomware activity reached record levels in Q4 2025, driven by highly organized threat actors, aggressive exploitation of internet-facing vulnerabilities, and precision targeting of operationally critical sectors.

Brandefense’s Ransomware Trends Report Q4 2025 analyzes 2,300+ confirmed incidents, 125 ransomware groups, and 27 industries across 134 countries, delivering actionable intelligence for security leaders and risk teams.

What’s Inside the Report

• Top ransomware groups and emerging criminal business models
• Sector-based attack trends across manufacturing, technology, healthcare, and public services
• Most exploited CVEs and initial access vectors
• Regional and country-level ransomware concentration
• Real-world incidents impacting public infrastructure and global enterprises

Built by the Brandefense Cyber Threat Intelligence Team, this report helps organizations move from reactive defense to intelligence-driven ransomware risk management.

👉 Download the report to understand what ransomware actors know—and how they operate.