
How adversaries adapted in 2025
The Cisco Talos 2025 Year in Review is a deep dive into the tactics, techniques, and procedures that shaped adversary operations globally. Created by defenders. For defenders.
Download NowAreas of analysis:
Watch the Year in Review highlights
View on YouTubeRansomware attacks by month
January remains the least active month for ransomware activity, potentially offering a window for defenders to test readiness.