A Secure and Intelligent IoT Device Framework for Smart Environment Monitoring and Automation

The Internet of Things (IoT) has emerged as one of the most influential technologies in modern digital transformation. IoT devices enable communication between physical objects through sensors, embedded systems, wireless networks, and cloud computing. This research paper presents a comprehensive analysis of IoT device architecture, communication protocols, applications, security mechanisms, and intelligent automation frameworks. The paper proposes a secure and scalable IoT framework suitable for smart cities, healthcare systems, industrial automation, and smart agriculture. In addition, the study examines major security threats such as malware attacks, data leakage, unauthorized access, and distributed denial-of-service attacks. The proposed framework integrates edge computing, artificial intelligence, and blockchain-enabled security models to improve efficiency, scalability, and reliability. The research findings indicate that intelligent IoT systems can significantly reduce operational costs, improve automation accuracy, and enhance real-time decision-making capabilities. This paper contributes to the academic understanding of advanced IoT systems and provides future research directions for secure and sustainable IoT environments.