With a heritage in DDoS mitigation and a vast library of known attacks, malicious traffic is identified at a Cloudflare data center closest to the source within seconds. Automatic mitigation techniques are applied immediately and most malicious traffic is blocked in less than 3 seconds.
Every server in every Cloudflare data center that spans 335 cities across 125 countries runs the full stack of DDoS mitigation services.
Cloudflare’s network capacity of 500 Tbps is well equipped to defend against the largest attacks.

1 GigaOm Radar for DDoS Protection v2.0, Sept 2022, Alastair Cooke. Access the report at https://www.cloudflare.com/gigaom-radar-ddos-protection/
2 Gartner “Solution Comparison for DDoS Cloud Scrubbing Centers,” Thomas Lintemuth, Patrick Hevesi, Sushil Aryal, 16 April 2020. Gartner subscribers access the report at: https://www.gartner.com/document/3983636
3 Forrester Wave™: DDoS Mitigation Solutions, Q1 2021, Forrester Research, Inc., March 3, 2021. Access the report at https://www.cloudflare.com/forrester-wave-ddos-mitigation-2021/