What Are DoS and DDoS Attacks? A Denial of Service (DoS) attack attempts to make a machine, network, or service unavailable to users by overwhelming traffic or requests. It typically originates from a single source.A Distributed Denial of Service (DDoS) attack is similar in intent but involves multiple systems (often a botnet) targeting the victim simultaneously, making it harder to block or trace. Key Characteristics of DoS & DDoSRead more