A network security diagram is a way to ensure the complete protection of information and assets in a given system. A network security diagram enables the security of data transmitted and stored. Network security is the collection of measures taken to prevent and monitor unwanted access, ensure information security and defense against assaults, and safeguard a network and its resources from misuse and modification. The network security architecture diagram depicts the network's structure and construction, as well as all actions taken to ensure network security that can be carried out with the help of software resources and hardware devices such as firewalls, antivirus programs, network monitoring tools, tools for detecting attempts of unauthorized access or intrusion, proxy servers, and authentication servers.