Network Security Monitoring (NSM) tools play a vital role in identifying, analyzing, and responding to cyber threats in real-time. For beginners, understanding how these tools function is the first step toward building a strong cybersecurity foundation. This guide introduces the basics of NSM and explores popular tools like Wireshark, Zeek, and Snort. You\'ll learn how to monitor network traffic, detect anomalies, and respond to potential breaches effectively. Whether you\'re a student, IT professional, or aspiring cybersecurity analyst, this is the perfect starting point. With proper training from institutes like SKILLOGIC, mastering network security tools becomes both accessible and career-enhancing.