Types of Network Attacks

There are three major types of network attacks, each with its own specific goal:

• Reconnaissance attacks An attack designed to gather information about a system or a network. The goal is to map the network, identify the systems and services, and to identify vulnerabilities that can be exploited later.

• Access attacks An attack designed to exploit vulnerability and to gain access to a system on a network. After access has been gained, the user can do the following:

- Retrieve, alter, or destroy data

- Add, remove, or change network resources, including user access

- Install other exploits that can be used later to gain access to the system or network

• DoS attacks A DoS attack is designed solely to cause an interruption to a system or network.

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