Learn about DDoS Attack meaning, attack types, and examples. DDoS Attack means "Distributed Denial-of-Service (DDoS) Attack " and it is a cybercrime in which the attacker floods a server with internet traffic to prevent users from accessing connected online services and sites. You can view and join @ddose007 right away. DoS Stands for Denial of service attack. DDoS Stands for Distributed Denial of service attack. In Dos attack single system targets the victim system. In DDoS multiple systems attack the victim's system. Victim's PC is loaded from the packet of data sent from a single location. Distributed denial of service (DDoS) attacks are a subclass of denial of service (DoS) attacks. A DDoS attack involves multiple connected online devices, collectively known as a botnet, which are used to overwhelm a target website with fake traffic. Unlike other kinds of cyberattacks, DDoS assaults don’t attempt to breach your security perimeter.