Suricata

Suricata is an open-source intrusion detection, prevention, and network monitoring engine. It analyzes network traffic using signature-based detection, protocol anomaly detection, and flow monitoring. Suricata outputs detailed logs in EVE JSON format, making integration with SIEMs and monitoring dashboards straightforward. It supports multi-threading and high-speed network capture, enabling large-scale deployments. Security teams use Suricata to detect, prevent, and investigate network attacks in real time, enhancing overall cyber defense.