Summary of Cloudflare’s 2025 Q1 DDoS Threat Report : targeted by 20.5 million DDoS attacks, up 358% year-over-year

While this report primarily focuses on 2025 Q1, it also includes late-breaking data from a hyper-volumetric DDoS campaign observed in April 2025, featuring some of the largest attacks ever publicly disclosed. In a historic surge of activity, we blocked the most…