Protectd: Evolving Vercel’s always-on denial-of-service mitigations

Vercel has introduced Protectd, its next-generation real-time security engine, designed to improve the speed and adaptability of its Denial-of-Service (DoS) mitigation systems. Built on a custom event-processing library, Protectd processes live signals as they arrive, detecting and mitigating threats in real time by continuously mapping complex relationships between traffic attributes. The new system reduces mitigation times for novel DoS attacks by over tenfold, delivering faster protection against emerging threats. With its ability to detect and block over three million L7 events daily, Protectd reinforces Vercel's role as an intelligent, next-gen security layer, helping to make the internet safer and more resilient.