The differences between DoS and DDoS attacks, their objectives, and methods of execution are explained.
Denial of Service (DoS) and Distributed Denial of Service (DDoS) attacks are both methods to disrupt network services, but they differ in their approach. In a DoS attack, a single host overwhelms a network device with excessive queries, while in a DDoS attack, multiple hosts work together to flood a target, making it unreachable.
The main aim of a DoS attack is to prevent legitimate users from accessing resources by overloading the system. Contrarily, a DDoS attack involves using a network of compromised computers or 'zombies' to launch a coordinated assault, making it difficult to mitigate and trace back to the original source.
In contrast to the misconception mentioned, in both DoS and DDoS attacks, it is not necessary for every part of the network to be overloaded for the attacks to succeed. Targeting specific vulnerable points can also effectively disrupt network services.
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