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Network Attacks Detection Using Statistical Models with Netflow Data
Čegan, Jakub ; Košař, Vlastimil (referee) ; Novotňák, Jiří (advisor)
This diploma thesis describes several selected network attacks detection method using statistical models with NetFlow data. First are described several well known and threats for computer networks, which are easily detectable in the NetFlow data. Thesis also introduce and present the NetFlow technology including its protocol and architecture. The theoretical part of the thesis describes statistical methods with focus on the ASTUTE method, that can be used for an anomaly detection. Following part introduces tools used for method implementation as the NfSen plugins. Last parts of the thesis describe in detail implementation of the plugins and following plugins testing which included simulated network attacks.
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Network Protection Using NetFlow Data
Čegan, Jakub ; Žádník, Martin (referee) ; Tobola, Jiří (advisor)
This thesis deals with the using of NetFlow data for computer network protection. First are described some types of network security threats. After study of these threats and many experiments were designed detection rules for them. New detection form were designed too. It is working with two step detection of threats.
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Network Protection Using NetFlow Data
Čegan, Jakub ; Žádník, Martin (referee) ; Tobola, Jiří (advisor)
This thesis deals with the using of NetFlow data for computer network protection. First are described some types of network security threats. After study of these threats and many experiments were designed detection rules for them. New detection form were designed too. It is working with two step detection of threats.
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Network Attacks Detection Using Statistical Models with Netflow Data
Čegan, Jakub ; Košař, Vlastimil (referee) ; Novotňák, Jiří (advisor)
This diploma thesis describes several selected network attacks detection method using statistical models with NetFlow data. First are described several well known and threats for computer networks, which are easily detectable in the NetFlow data. Thesis also introduce and present the NetFlow technology including its protocol and architecture. The theoretical part of the thesis describes statistical methods with focus on the ASTUTE method, that can be used for an anomaly detection. Following part introduces tools used for method implementation as the NfSen plugins. Last parts of the thesis describe in detail implementation of the plugins and following plugins testing which included simulated network attacks.
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Problem of security wifi nets
PŘITASIL, Miroslav
This diploma thesis describes the secure wireless data transfer mediated by various technologies. A special attention is given to standards 802.11x, different kinds of technologies protection originating of the standards and to possible attacts targeted against them. Moreover, it deals with the problems related to password and sensitive data protection which are important to the network administration. The thesis gives also some examples of particular network type securing.
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