Suricata is a high-performance, open-source , Intrusion Prevention System (IPS) , and Network Security Monitoring (NSM) tool. Developed by the Open Information Security Foundation (OISF) , it is designed to analyze network traffic with "laser focus" to identify and block threats like malware, phishing, and unauthorized access. Primary Roles & Modes
Passive monitoring that alerts you to suspicious activity based on a standard signature language without interrupting traffic flow. SirCat's Tools
For new users, it is recommended to begin with passive monitoring to understand "normal" network behavior and fine-tune rules before switching to active blocking (IPS). Suricata is a high-performance
While efficient, Suricata can be resource-intensive. A production environment typically requires at least 4–8GB of RAM and two CPUs. Suricata vs Zeek - Stamus Networks Intrusion Prevention System (IPS)
