DoS and DDoS attacks

 A denial-of-service (DoS) attack floods a server with traffic to make a website or resource unavailable. A distributed denial-of-service (DDoS) attack, a more severe form of DoS, uses multiple computers to overwhelm the target. Both aim to interrupt services by overloading the server with TCP/UDP packets, potentially causing crashes, data corruption, and resource exhaustion.

Key differences between DoS and DDoS attacks include:

Detection and Mitigation: DoS attacks originate from a single location, making them easier to detect and block, often with a firewall. DDoS attacks come from multiple locations, masking the origin and complicating detection.

Speed: DDoS attacks deploy faster due to multiple sources, making them harder to detect and potentially more damaging.

Traffic Volume: DDoS attacks generate much larger traffic volumes by using multiple infected machines (bots), overwhelming the server quickly.

Execution: DDoS attacks use a botnet controlled by a command-and-control server, while DoS attacks typically use a single machine with a script or tool.

Source Tracing: Tracing a DDoS attack’s origin is more challenging due to the distributed nature of the botnet compared to the single-source DoS attack.

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