Description: Network monitoring involves observing and analyzing network traffic to detect security threats in various environments, including IoT. This process is fundamental in the era of Industry 4.0, where the interconnection of devices and intelligent systems has transformed the way companies operate. Through network monitoring, anomalous behavior patterns, intrusions, and vulnerabilities that could compromise data integrity and the functionality of connected devices can be identified. Monitoring tools allow network administrators to gain real-time visibility into traffic, facilitating early detection of cyberattacks and rapid incident response. Additionally, network monitoring not only focuses on security but also optimizes network performance, ensuring that devices operate efficiently and that communication between them is seamless. In a context where automation and artificial intelligence play a crucial role, network monitoring becomes an essential practice to ensure the resilience and security of modern technological infrastructures.