Important Tools for Network Monitoring

Hardening isn't a one-time action — ongoing monitoring is what confirms hardened devices stay hardened and catches anomalies early. The following tools are commonly used for network monitoring:

Tool	Usage Description
Nagios	A popular open-source tool for monitoring systems, networks, and infrastructure. Provides real-time monitoring and alerting for various services and applications.
SolarWinds Network Performance Monitor	A comprehensive network monitoring tool providing real-time visibility into network performance and availability. Includes network mapping, automated network discovery, and customizable dashboards.
PRTG	An all-in-one network monitoring tool covering performance and availability monitoring. Includes real-time traffic analysis, custom dashboards, and customizable alerts.
Zabbix	A powerful open-source network monitoring tool providing real-time performance and availability monitoring. Includes customizable dashboards, network mapping, and alerting.