IoT device vulnerabilities
Umang Garg, Neha Gupta, Rajesh Singh, Anita Gehlot, Ankur Dumka · 2025
The second chapter delves into the various vulnerabilities that make IoT devices susceptible to cyberthreats. It begins in Section 2.1 with an overview of IoT architecture, key communication protocols, and the underlying technologies that form the foundation of IoT systems. Section 2.2 identifies common security weaknesses, such as insecure default settings, outdated software, and lack of regular updates. Section 2.3 focuses on firmware and software vulnerabilities, which often expose devices to remote exploitation. Section 2.4 highlights issues related to weak or missing authentication and authorization mechanisms, enabling unauthorized access. Section 2.5 addresses insufficient data protection and privacy, where sensitive information is left unencrypted or poorly secured. Section 2.6 emphasizes the critical role manufacturers play in ensuring device security through secure development practices, timely patches, and transparency. The chapter concludes in Section 2.7 by summarizing the major threats and reinforcing the importance of addressing these vulnerabilities to build secure IoT ecosystems.