Cybersecurity Network security 15 Cyber security 10 Crime 5 Authentication 4 Computer crime 4 Denial-of-service attack 4 Security 4 Internet of things 3 Intrusion Detection Systems 3 Intrusion detection 3 Machine learning 3 Smart city 3 Attack detection 2 Classification (of information) 2 Communication wireless network 2 Communications networks 2 Controllers 2 Convolutional neural networks 2 Cybe security for smart city 2 Cyber threats 2 Cyber-attacks 2 Distributed denial of service 2 Information and Communication Technologies 2 Large dataset 2 Machine-learning 2 Man in the middle 2 Man-in-the-middle attack 2 Network intrusion detection system 2 Network intrusion detection systems 2