We live in an information age, so business without the use of the Internet is virtually impossible. The level of network security in most companies is very low.
The network infrastructure is set up by individuals who are not sufficiently technical and professional in this field and do not know the latest approaches to
establishing a secure business network. As a result, there are numerous information threats.
In thesis we discuss an overview of network threats and an overview of the main security measures that are used to prevent these threats. A systematic review of
the network is also given, consisting of a practical recommendation and a practical overview of all the security measures needed to establish a network with a solid
level of security.
The result of the thesis is a practical recommendation and a practical demonstration of all security measures. This will allow network administrators to effectively
plan and implement a business network with a solid level of security. In the case of an existing network, it will assist in assessing the current level of security,
preparing a plan and carrying out an upgrade.
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