What is a attack?

A denial of service (DDoS) attack is when an attacker, or attackers, attempt to make it impossible for a service to be delivered. This can be achieved by thwarting to virtually anything: servers, devices, services, networks, applications, and even specific transactions within applications. In a DoS attack, it’s one system that is sending the malicious or requests; a DDoS attack comes from multiple systems.

Generally, these attacks work by drowning a system with requests for data. This could be sending a web server so many requests to serve a page that it crashes under the demand, or it could be a database being with a high volume of queries. The result is available bandwidth, CPU and RAM capacity becomes overwhelmed.

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