OSSEC

OSSEC is an open-source host-based intrusion detection system that monitors and analyzes security events by collecting log data from multiple sources. The platform supports real-time alerting and active response capabilities with deployment across Linux, Windows, and macOS operating systems through centralized management. The rule-based engine enables customization of detection policies and integrates with other security tools and SIEM systems for enhanced threat visibility. Cyberin enables security teams to evaluate OSSEC alongside alternative solutions in the intrusion detection space.