What Is a Denial of Service Attack?
A Denial of Service attack (DOS) is an attack through which a person can render a system unusable or significantly slow down the system for legitimate users by overloading the resources so no one else can access it. This can also result in someone damaging or destroying resources, so they cannot be used. Denial of Service attacks can either be deliberate or accidental. It is caused deliberately when an unauthorized user actively overloads a resource. It is caused accidentally when an authorized user unintentionally does something that causes resources to become unavailable. An organization should take precautions to protect a system against both types of Denial of Service attacks.
Most operating systems (including ...
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