This book presents innovative approaches in artificial intelligence, security, and networking, emphasizing their convergence with big data and practical applications. Contributions from leading researchers and practitioners showcase novel methodologies, case studies, and solutions that address key technological challenges while fostering intelligent, secure, and connected systems. The proceedings are organized into four sections: AI applications, security in digital systems, advances in networking, and industrial case studies, offering a coherent and multidisciplinary perspective. With a rigorous peer-review process, the collection delivers high-quality content that balances academic depth with real-world relevance. Designed for researchers, graduate students, and industry professionals, it serves as a valuable reference to inspire innovation, support practical implementation, and guide the development of next-generation secure infrastructures.