Chapter 1: Malware Detection Using RGB Images and CNN Model Subclassing -- Chapter 2: IoT Trust Management as an SIoT Enabler Overcoming Security Issues -- Chapter 3: Cloud Virtualization Attacks and Mitigation Techniques -- Chapter 4: Android Ransomware Attacks Detection with Optimized Ensemble Learning -- Chapter 5: A Dual Attack Tree Approach to Assist Command and Control Server Analysis of the Red Teaming Activity -- Chapter 6: Intelligent Detection System for Spoofing and Jamming Attacks in UAVs.