Anomaly detection (Computer security) 6 Computer networks 3 Dissertations 2 Dissertations, Academic 2 Intrusion detection systems (Computer security) 2 Security measures 2 Algorithms 1 Big data 1 Cluster analysis 1 Computer programs 1 Computer security 1 Data mining 1 Firewalls (Computer security) 1 Machine learning 1 Online social networks 1