securityonion
by Security-Onion-Solutions
Security Onion is a comprehensive, open-source platform for enterprise threat hunting, security monitoring, and log management with integrated detection and case management tools.
Security Onion is a free and open platform for threat hunting, enterprise security monitoring, and log management. It includes our own interfaces for alerting, dashboards, hunting, PCAP, detections, and case management. It also includes other tools such as osquery, CyberChef, Elasticsearch, Logstash, Kibana, Suricata, and Zeek.
Primary Use Case
Security Onion is primarily used by security operations teams to detect, analyze, and respond to network threats through centralized alerting, dashboards, and detailed packet capture analysis. It is ideal for enterprises seeking a unified platform that combines multiple security tools for effective intrusion detection and log analysis.
- Integrated alerting and dashboard interfaces
- Threat hunting capabilities with custom hunting tools
- PCAP capture and analysis
- Case management for incident tracking
- Includes osquery for endpoint visibility
- Embedded CyberChef for data analysis
- Powered by Elasticsearch, Logstash, and Kibana (ELK stack)
- Network intrusion detection with Suricata and Zeek
Installation
- Review hardware requirements at https://docs.securityonion.net/en/2.4/hardware.html
- Download the latest Security Onion 2.4 release from https://docs.securityonion.net/en/2.4/download.html
- Follow the installation guide at https://docs.securityonion.net/en/2.4/installation.html to set up the platform
- Configure the system using the provided configuration interface
- Access community support and FAQs at https://docs.securityonion.net/en/2.4/community-support.html and https://docs.securityonion.net/en/2.4/faq.html
- Integrate Security Onion with SOAR platforms to automate alert triage and incident response workflows.
- Leverage the embedded osquery for endpoint visibility to complement network-based detections.
- Use custom hunting queries and dashboards to proactively identify emerging threats tailored to your environment.
- Combine PCAP analysis with Zeek and Suricata logs for comprehensive network traffic investigation.
- Deploy Security Onion in segmented environments to provide layered detection coverage and reduce alert noise.
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