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Identification of Network Applications from Encrypted Communications
Šafář, Radim ; Dolejška, Daniel (referee) ; Ryšavý, Ondřej (advisor)
The goal of this thesis is creation of tool that is able to detect applications from encrypted traffic using machine learning. Data source for clasification are network flows captured with tool Suricata, not the entire content of communication. Main source are TLS handshakes, which are able to be fingeprinted with fingerprints JA3 or JA4 making flows easier to identify. Thesis also addresses the issue of JA4 not being implemented in used tools. For clasification is used library ML.NET which makes the process of creating a model easier.
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Detection of Mobile Apps in Network Traffic Using JA3 Fingerprinting
Vavro, Ján ; Grégr, Matěj (referee) ; Matoušek, Petr (advisor)
In recent years, mobile network communication became more secure. The reason is encapsulation with TLS protocol, that encrypts transmitted data. User security was increased, but on the other hand it limits network monitoring possibilities, because the data are encrypted. This thesis researches possibilities of monitoring mobile applications in network traffic using JA3 and JA3S fingerprints. The aim is to implement tools for automated creation of fingerprints database and consecutive detection.
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Secured access for web applications
Humpolík, Jan ; Pelka, Tomáš (referee) ; Doležel, Radek (advisor)
This thesis mainly concerns often neglected security part of each web application, but also secure access users themselves. Describes theoretically and practically modern security technology, on a web application being tested and shows a possible way of defense. Gives instructions for installing its own web server.
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Detection of Mobile Apps in Network Traffic Using JA3 Fingerprinting
Vavro, Ján ; Grégr, Matěj (referee) ; Matoušek, Petr (advisor)
In recent years, mobile network communication became more secure. The reason is encapsulation with TLS protocol, that encrypts transmitted data. User security was increased, but on the other hand it limits network monitoring possibilities, because the data are encrypted. This thesis researches possibilities of monitoring mobile applications in network traffic using JA3 and JA3S fingerprints. The aim is to implement tools for automated creation of fingerprints database and consecutive detection.
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Secured access for web applications
Humpolík, Jan ; Pelka, Tomáš (referee) ; Doležel, Radek (advisor)
This thesis mainly concerns often neglected security part of each web application, but also secure access users themselves. Describes theoretically and practically modern security technology, on a web application being tested and shows a possible way of defense. Gives instructions for installing its own web server.
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