The book is a collection of peer-reviewed best-selected research papers presented at the International Conference on Advances in IoT and Security with AI (ICAISA 2025), organized as a joint collaborative event between Deen Dayal Upadhyaya College, University of Delhi, India, CQ University (CQU), Sydney, Australia, University of KwaZulu-Natal, Durban, South Africa, IIIT Bhopal and NIT Arunachal Pradesh, India, during April 4–5, 2025. The book includes various applications and technologies in this specialized sector of Industry 4.0. The book is divided into two volumes. It focuses on recent advances in Internet of Things and security with its applications using artificial intelligence.