Abstract: This survey delves into the critical domain of IoT device security and network protocols, examining prevailing challenges, vulnerabilities, and countermeasures. As IoT devices proliferate across diverse sectors, ensuring their security becomes paramount, necessitating a comprehensive exploration of existing challenges. The study scrutinizes the vulnerabilities associated with current IoT network protocols, shedding light on potential threats and weaknesses. By providing an in-depth analysis of countermeasures, the paper seeks to contribute valuable insights into fortifying the security posture of IoT devices and their underlying network infrastructure. This comprehensive survey serves as a useful resource for researchers, practitioners, and policymakers aiming to address the evolving landscape of IoT security.

Key Words: IoT device, network protocols, challenges, vulnerabilities, countermeasures.

| DOI: 10.17148/IARJSET.2024.11701