Targeted by 20.5 million DDoS attacks, up 358% year-over-year: Cloudflare’s 2025 Q1 DDoS Threat Report
In the first quarter of 2025, Cloudflare experienced a significant increase in DDoS attacks, blocking over 20 million attacks, marking a 358% year-over-year surge, and encountering record-breaking attacks reaching 5.6 Tbps and 4.8 Bpps.
MAIN POINTS
- Cloudflare blocked over 20 million DDoS attacks in 2025 Q1.
- There was a 358% year-over-year increase in DDoS attacks.
- Record-breaking attacks reached 5.6 Tbps in traffic volume.
- Attacks also hit a peak of 4.8 billion packets per second.
TAKEAWAYS
- The frequency of DDoS attacks is rapidly increasing.
- Cloudflare's infrastructure is crucial in mitigating massive cyber threats.
- Record-breaking attack sizes indicate evolving threat capabilities.
- Monitoring and defense strategies must adapt to escalating attack scales.