US agencies release updated guide on defending against DDoS attacks for critical infrastructure organizations

Understanding and Responding to DDoS Attacks (CISA, FBI)

This guide provides an overview of the denial-of-service (DoS) and DDoS landscapes, including attack types, motivations, and potential impacts on government operations, as well as practical steps on implementing preventative measures, and incident response for each of the defined DDoS and DoS technique types.