National Repository of Grey Literature 5 records found  Search took 0.01 seconds. 
Web application for displaying cyber attacks in local networks
Matušicová, Viktória ; Mikulec, Marek (referee) ; Safonov, Yehor (advisor)
The information sphere is constantly and rapidly developing. This expansion means an increase in the risks of the Internet use. Vulnerabilities and other threats are emerging that provide an opportunity for unauthorized users to penetrate the integrity of protected infrastructures. The main goal of the bachelor’s thesis is to create a tool that allows the system administrator to perform the analysis of end stations in the local network. With the help of the web application, the administrator is able to view all computer attacks performed on his computer infrastructure. That makes it possible for him to implement countermeasures which will improve performance and security of the entire infrastructure. From a theoretical point of view, the bachelor thesis is focused on the issue of computer attacks on the data layer and network layer of the ISO/OSI model. Subsequently, it is focused on the structure of workplace involvement and web application. In the last part the work is focused on the design of the web application and its integration into the experimental workplace. Emphasis during the practical part is placed on the implementation of the workplace and web application on the local network. The practical part is divided into two implementation groups. Initially the experimental workplace is implemented within the local network. Here the web application focuses on the development of the server side – working with databases. In the second phase of implementation the experimental workplace is transferred into a real form. Following application features are added: various graphical displays, filtering and a section for user settings. Large emphasis is placed onto the security of the entire application – login system, server and client configuration settings. After the experimental workplace is connected with the web application, the functionality of the entire solution is tested by three different computer attacks. At the end of the thesis a brief conclusion and summary of the bachelor’s thesis is established.
Application Service and Server Monitoring
Pleško, Filip ; Burget, Radek (referee) ; Rychlý, Marek (advisor)
This bachelor thesis addresses an issue of monitoring servers and server aplications. The goal is to simplify this monitoring and make it more efficient. To do so, we used ELK stack. With the use of this stack we achieved to easily read from log files and show usefull informations from them.
Automatické nasazování bezpečnostních pravidel na základě sledování provozu v síti
Fišer, Patrik
This thesis deals with the implementation of rules for automatic deployment of security rules on devices from MikroTik or sending notifications to the administrator in case of detection of unsafe traffic on the corporate network. This will be monitored by an IDS system, the choice of which is part of this thesis. All logs will be collected in the central logging system Graylog. It is expected to work with open-source solutions and test of the functionality of the whole system by simulating the traffic.
Web application for displaying cyber attacks in local networks
Matušicová, Viktória ; Mikulec, Marek (referee) ; Safonov, Yehor (advisor)
The information sphere is constantly and rapidly developing. This expansion means an increase in the risks of the Internet use. Vulnerabilities and other threats are emerging that provide an opportunity for unauthorized users to penetrate the integrity of protected infrastructures. The main goal of the bachelor’s thesis is to create a tool that allows the system administrator to perform the analysis of end stations in the local network. With the help of the web application, the administrator is able to view all computer attacks performed on his computer infrastructure. That makes it possible for him to implement countermeasures which will improve performance and security of the entire infrastructure. From a theoretical point of view, the bachelor thesis is focused on the issue of computer attacks on the data layer and network layer of the ISO/OSI model. Subsequently, it is focused on the structure of workplace involvement and web application. In the last part the work is focused on the design of the web application and its integration into the experimental workplace. Emphasis during the practical part is placed on the implementation of the workplace and web application on the local network. The practical part is divided into two implementation groups. Initially the experimental workplace is implemented within the local network. Here the web application focuses on the development of the server side – working with databases. In the second phase of implementation the experimental workplace is transferred into a real form. Following application features are added: various graphical displays, filtering and a section for user settings. Large emphasis is placed onto the security of the entire application – login system, server and client configuration settings. After the experimental workplace is connected with the web application, the functionality of the entire solution is tested by three different computer attacks. At the end of the thesis a brief conclusion and summary of the bachelor’s thesis is established.
Application Service and Server Monitoring
Pleško, Filip ; Burget, Radek (referee) ; Rychlý, Marek (advisor)
This bachelor thesis addresses an issue of monitoring servers and server aplications. The goal is to simplify this monitoring and make it more efficient. To do so, we used ELK stack. With the use of this stack we achieved to easily read from log files and show usefull informations from them.

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