This book combines cutting—edge research addressing current challenges and emerging opportunities in computing, artificial intelligence, sustainability, and education. Through interdisciplinary insights, readers will discover novel computational frameworks designed to enhance cybersecurity, optimise energy systems, and advance interactive technologies such as chatbots, virtual reality, and gaming for medical rehabilitation. Each chapter demonstrates innovative methodologies—from advanced AI—driven complex data analyses to sophisticated mathematical models addressing real—world problems. The studies highlight how data science, machine learning, and computational intelligence can boost organisational efficiency, support sustainable development, and significantly enhance human—computer interaction. Ideal for researchers, industry experts, educators, and advanced students, this resource provides valuable perspectives on practical applications and theoretical advancements essential for staying ahead in rapidly evolving technological fields.