This book offers a multifaceted exploration of cybersecurity through the lenses of policy, ethics, and advanced technology. It examines the complex interplay of law, diplomacy, and geopolitics in the digital age, emphasizing the protection of critical infrastructure and the impact of international conflict on global security. Topics include cybersecurity education, virus evasion, quantum-safe AI systems, and the challenges posed by IoT, OT, and Cyber-Physical Systems. The book also highlights the role of NLP technologies and situational awareness, concluding with a focused analysis of cybersecurity in aviation. It presents cutting-edge research to inspire innovation across the global cyber landscape.