9 citations
5 papers
Benchmark of Data Preprocessing Methods for Imbalanced Classification
Radovan Haluška, Jan Brabec, Tomáš Komárek
Severe class imbalance is one of the main conditions that make machine learning in cybersecurity difficult. A variety of dataset preprocessing methods have been introduced over the…
Entanglement: Cybercrime Connections of an Internet Marketing Forum Population
Masarah Paquet-Clouston, Serge-Olivier Paquette, Sebastián García +1
Many activities related to cybercrime operations do not require much secrecy, such as developing websites or translating texts. This research provides indications that many users o…
Decision-forest voting scheme for classification of rare classes in network intrusion detection
Jan Brabec, Lukas Machlica
In this paper, Bayesian based aggregation of decision trees in an ensemble (decision forest) is investigated. The focus is laid on multi-class classification with number of samples…
Joint Detection of Malicious Domains and Infected Clients
Paul Prasse, Rene Knaebel, Lukas Machlica +2
Detection of malware-infected computers and detection of malicious web domains based on their encrypted HTTPS traffic are challenging problems, because only addresses, timestamps,…
Discriminative models for multi-instance problems with tree-structure
Tomas Pevny, Petr Somol
Modeling network traffic is gaining importance in order to counter modern threats of ever increasing sophistication. It is though surprisingly difficult and costly to construct rel…