Attack detection 3 Network security 3 Cybersecurity 2 Denial-of-service attack 2 Machine learning 2 Machine-learning 2 Accuracy 1 Adaptive services 1 Aerial vehicle 1 Aircraft detection 1 Antennas 1 Autonomous sensor 1 Autonomous sensors 1 Baum-Welch 1 Baum-Welch algorithms 1 CPPS 1 Classification (of information) 1 Cluster analysis 1 Community detection 1 Crime 1 Criminal activities 1 Cyber threats 1 Cyber-attacks 1 Cyber-crimes 1 DDoS (Distributed denial of service) 1 Denialof- service attacks 1 Detection approach 1 Detection models 1 Digital environment 1 Dimensionality reduction 1