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Wireless Network Aspects
Pluhař, Ondřej ; Ponížil, Michal (referee) ; Koch, Miloš (advisor)
The bachelor’s thesis is about wireless communication, concretely wireless fidelity networks. It deals about IEEE 802.11 standard and also about its modulations. History, development, kinds and properties of wireless network and security is also mentioned. Current situation of one particular company is viewed in further part of the thesis. Some innovations in internet access and security of wireless communication in company network is suggested.
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Analysis and Demonstration of Selected Network Attacks
Gregorová, Pavlína ; Trchalík, Roman (referee) ; Očenášek, Pavel (advisor)
In this Bachelor thesis there are described network attacks which focus on network a computers issues. Attacks are aimed at operation system Windows and its security faults. The aim of this Bachelor thesis is also to prepare materials for lab of course called Security and Computer Networks, which is taught at the Faculty of Information Technology in the University of Technology in Brno.
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Network Traffic Analysis Based on Clustering
Černý, Tomáš ; Drahošová, Michaela (referee) ; Bartoš, Václav (advisor)
This thesis focuses on anomaly detection in network traffic using clustering methods. First, basic anomaly detection methods are introduced. The next part describes hierarchical and k-means clustering in detail. Also there are described selected normalization techniques. Part is given to the procedure for detecting anomalies in the context of data mining. Furthermore a few words about implementation of single methods. Finally, clustering methods and normalization techniques are tested and compared.
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Analysis and Demonstration of Selected Network Attacks
Jirásek, Jakub ; Trchalík, Roman (referee) ; Očenášek, Pavel (advisor)
The aim of this Bachelor thesis is to describe and realize selected network attacks which are taught at the FIT, Brno University of Technology. The thesis includes demonstration exercises that can be used for teaching computer network security. First part of this work discusses theory for each attack and possible security solutions. In the second part the practical realizations (for each network attack) are described.
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Automatic Grouping of Regular Expressions
Stanek, Timotej ; Kořenek, Jan (referee) ; Kaštil, Jan (advisor)
This project is about security of computer networks using Intrusion Detection Systems. IDS contain rules for detection expressed with regular expressions, which are for detection represented by finite-state automata. The complexity of this detection with non-deterministic and deterministic finite-state automata is explained. This complexity can be reduced with help of regular expressions grouping. Grouping algorithm and approaches for speedup and improvement are introduced. One of the approches is Genetic algorithm, which can work real-time. Finally Random search algorithm for grouping of regular expressions is presented. Experiment results with these approches are shown and compared between each other.
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Návrh postupů pro ověření odolnosti podnikové LAN proti síťovým útokům
Janza, Čeněk
Čeněk Janza, Suggest procedure for check corporate LAN resistance against the network attacks. Bachelor thesis. Brno: Mendelova Univerzita, 2014. The bachelor thesis deals with penetration tests and methods in testing the resili-ence of enterprise networks against external attacks. It describes the basic ele-ments without safety nets, the most common types of attacks and their principles. It also describes the tools used in the real world, and displays the results.
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