Smurf Attack Definition It is a distributed “denial of service” ( DDoS) attack in which an attacker floods a target server with spoofed Internet Protocol ( IP) and Internet Control Message Protocol ( ICMP) packets. As a result, the target system becomes inoperable. The name comes from DDoS. Smurf malware tool was widely used in the 1990s. A small ICMP… Read More »Smurf Attack: What Is a Smurf Attack?