|
|
Case Study of Selected Network Vulnerabilities
Kolajová, Jana ; Kačic, Matej (referee) ; Homoliak, Ivan (advisor)
The main goal of this thesis is to deal with databases of vulnerable code bases and vulnerable applications, and to implement a tool for autonomous search and saving data from those databases to a local one. The thesis is divided into theoretical and practical parts. The theoretical part deals with my current knowledge of the main topic and creates a foundation for the implementation. Various kinds of vulnerabilities and network attacks are described in detail in this part. The practical part describes implementation of the tool and its real use.
|
|
|
Behavioral Analysis of Network Traffic and (D)DoS Attack Detection
Chapčák, David ; Hajný, Jan (referee) ; Malina, Lukáš (advisor)
The semestral thesis deals with the analysis of the modern open-source NIDPS tools for monitoring and analyzing the network traffic. The work rates these instruments in terms of their network location and functions. Also refers about more detailed analysis of detecting and alerting mechanisms. Further analyzes the possibilities of detection of anomalies, especially in terms of statistical analysis and shows the basics of other approaches, such as approaches based on data mining and machine learning. The last section presents specific open-source tools, deals with comparison of their activities and the proposal allowing monitoring and traffic analysis, classification, detection of anomalies and (D)DoS attacks.
|
|
|
System for Detection of APT Attacks
Hujňák, Ondřej ; Kačic, Matej (referee) ; Barabas, Maroš (advisor)
The thesis investigates APT attacks, which are professional targeted attacks that are characterised by long-term duration and use of advanced techniques. The thesis summarises current knowledge about APT attacks and suggests seven symptoms that can be used to check, whether an organization is under an APT attack. Thesis suggests a system for detection of APT attacks based on interaction of those symptoms. This system is elaborated further for detection of attacks in computer networks, where it uses user behaviour modelling for anomaly detection. The detector uses k-nearest neighbors (k-NN) method. The APT attack recognition ability in network environment is verified by implementing and testing this detector.
|
|
|
Case Study of Selected Network Vulnerabilities
Kolajová, Jana ; Malinka, Kamil (referee) ; Homoliak, Ivan (advisor)
The main goal of this thesis is to deal with databases of vulnerable code bases and vulnerable applications, and to implement a tool for autonomous search and saving data from those databases to a local one. The thesis is divided into theoretical and practical parts. The theoretical part deals with my current knowledge of the main topic and creates a foundation for the implementation. Various kinds of vulnerabilities and network attacks are described in detail in this part. The practical part describes implementation of the tool and its real use.
|
|
|
Network Anomaly Detection
Lieskovan, Tomáš ; Blažek, Petr (referee) ; Hajný, Jan (advisor)
This semester project presents an analysis of network traffic and detection of anomalies in network traffic by several various means. In the first part of the paper there is an explanation of the methods aiming at denial of service. Then in the second part an implementation of protection by means of selected solutions is presented. The intent is to compare these means which are supposed to detect cyber attacks aiming at denial of service. Another intent is to choose the best solutions from the categories of open-source and commercial solutions. The target of the master thesis was to work out a comparison between actual solutions for detection of DoS and DDoS attacks.
|
|
|
Psychological profiling of an offender
Kubálková, Michaela ; Krupička, Jiří (advisor) ; Šelleng, Dalibor (referee)
Název diplomové práce v anglickém jazyce, abstrakt v anglickém jazyce a 3 klíčová slova v anglickém jazyce Psychological profiling of an offender Abstract This thesis discusses psychological profiling, which is classified as an alternative method of criminal investigation. This method is mainly used in serious crimes cases where conventional investigative procedures fail. Based on the information obtained at the crime scene, the profiler tries to create as accurate portrait of the unknown offender as possible. Such portrait is known as a psychological profile of the offender and serves primarily to narrow the pool of suspects and point investigators in the right direction. The aim of this thesis is to provide a comprehensive overview of the psychological profiling method including its shortcomings and to evaluate the contribution of this method to investigation. The thesis is divided into a total of four chapters. The first chapter explains the concept of psychological profiling itself, provides definitions and general characteristic of the term. Then is described the historical development of this method, abroad and in the Czech Republic. Afterwards I define crimes suitable for criminal profiling and in the end of the chapter I deal with the role of profiling expert. The second chapter is devoted to the...
|
|
|
Psychological profiling of an offender
Bezděková, Eva ; Krupička, Jiří (advisor) ; Konrád, Zdeněk (referee)
Název diplomové práce v anglickém jazyce, abstrakt v anglickém jazyce a tři klíčová slova v anglickém jazyce Psychological profiling of an offender Abstract The subject of this diploma thesis is the method called psychological profiling (also called criminal profiling or offender profiling), which was created in the 1970s by the American FBI to help investigators to solve serious violent crimes, such as serial murders or rapes. It involves working out the characteristics of an offender by examining the characteristics of the crime scene and the crime itself. Its aim is to create a profile of a likely offender, therefore it is usually perceived as a useful tool by law enforcement agencies when regular forensic methods fail to reveal the indentity of an unknown suspect. The main goal of this thesis is to provide a comprehensive view of this method, including its advantages and disadvantages, free from media distortion. The thesis consists of four main chapters. The first chapter explains the term psychological profiling and its roots and definitions, focuses on the history of the method and its most significant approaches - crime analysis, investigative psychology and behavioral analysis. Further in this chapter, I describe the ideal characteristics and background of an expert creating a profile. The last...
|
|
|
Case Study of Selected Network Vulnerabilities
Kolajová, Jana ; Kačic, Matej (referee) ; Homoliak, Ivan (advisor)
The main goal of this thesis is to deal with databases of vulnerable code bases and vulnerable applications, and to implement a tool for autonomous search and saving data from those databases to a local one. The thesis is divided into theoretical and practical parts. The theoretical part deals with my current knowledge of the main topic and creates a foundation for the implementation. Various kinds of vulnerabilities and network attacks are described in detail in this part. The practical part describes implementation of the tool and its real use.
|
|
|
Basic principles of behavioral analysis
ROUČKOVÁ, Veronika
This thesis is written as a recherche and the main theme is behavioural analysis. It is very young field of criminalistics, which investigates conditions and connections of crimes from the point of view of human behaviour: interaction of perpetrator and victim, signs and features of crime such as place, time, type of victim etc. On the basis of evidences the psychological profile of unknown perpetrator is set up. The profile can change during the time and it includes: presumable appearance and characteristics of perpetrator. Proces and methods of behavioural analysis are based on findings of many disciplines, common and also closely specialised such as: criminology, criminalistics, personality psychology, psychopathology, sociology, clinical psychology, social psychology and legal disciplines. At first the author describes history of the behavioural analysis what it proceeds from and how this field is used in practice. Than there are described particular steps of behaviroural analysis which are used by criminal profiler. In the next part the victimology field is introduced: venue, where the most evedences for revealing a perpetrator are; the ways of behaviour of perpetrators and the main points which psychological profile includes. The aim of this thesis is to introduce behavioural analysis, its progress and basics findings and possibilities of application during criminal scenes investigations.
|
|
|
Case Study of Selected Network Vulnerabilities
Kolajová, Jana ; Malinka, Kamil (referee) ; Homoliak, Ivan (advisor)
The main goal of this thesis is to deal with databases of vulnerable code bases and vulnerable applications, and to implement a tool for autonomous search and saving data from those databases to a local one. The thesis is divided into theoretical and practical parts. The theoretical part deals with my current knowledge of the main topic and creates a foundation for the implementation. Various kinds of vulnerabilities and network attacks are described in detail in this part. The practical part describes implementation of the tool and its real use.
|
guest ::
