The Internet of Things (IoT) refers to a network of physical devices connected to the internet that can collect, exchange, and process data without continuous human intervention. These devices include smart home appliances, wearable fitness trackers, industrial sensors, smart vehicles, healthcare monitoring systems, security cameras, and connected manufacturing equipment. IoT technology has transformed industries by enabling automation, remote monitoring, predictive maintenance, and real-time decision-making. However, the widespread deployment of IoT devices has also introduced significant security risks, making IoT device auditing an essential component of cybersecurity. IoT device auditing is the systematic process of examining, assessing, and evaluating IoT devices to ensure they comply with security standards, organizational policies, and regulatory requirements. The primary objective of auditing is to identify vulnerabilities, misconfigurations, weak authentication mechanisms, outdated firmware, insecure communication protocols, and other security weaknesses that attackers may exploit. Auditing helps organizations maintain confidentiality, integrity, and availability of data while minimizing cyber threats. A comprehensive IoT audit begins with device discovery and inventory. Every IoT device connected to the network should be identified and documented. This includes device type, manufacturer, firmware version, IP address, operating system, communication protocols, and purpose. Maintaining an accurate inventory helps security administrators monitor unauthorized devices and reduce the risk of shadow IoT. The next step involves authentication and access control assessment.