Network and Resource Availability Threats
To be successful, many exploits and attacks require special access on a private network. Some exploits will function against an Internet-facing web server, but such a server might not directly connect to a private network. If a hacker is unable to find an exploitable vulnerability that gains access or control over the targeted systems, a fallback or final resort option is to launch availability attacks.
An availability attack aims at preventing legitimate access or use of resources to delay or interrupt business. Generally, this is known as a denial of service attack.
Denial of Service (DoS)
A denial of service (DoS) attack interrupts the normal patterns of traffic, communication, and response. ...
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