Suricata

As a high-performance, open-source IDS/IPS, Suricata provides enterprise-grade security without the licensing cost. It is engineered for seamless installation on standard network hardware, where it operates as a dedicated security sensor. The system performs real-time traffic analysis, utilizing signature-based detection and heuristic methods to uncover attempts to penetrate your network's defenses. Its flexible rule language allows for precise threat definition. Suricata outputs detailed logs and alerts to your SIEM or console, and when configured in IPS mode, it can proactively drop traffic and thwart attacks, making it a versatile and cost-effective security cornerstone.