In our 36-criteria evaluation of DDoS mitigation providers, we identified 11 of the most significant ones — Akamai Technologies, Arbor Networks, Cloudflare, F5 Networks, Fortinet, Huawei Technologies, Imperva, Neustar, Nexusguard, Radware, and Verisign — and researched, analyzed, and scored them. This report shows how each provider measures up and helps security and risk (S&R) professionals make the right choice.