Security Onion is a free and open Linux distribution for threat hunting, enterprise security monitoring, and log management. It includes a comprehensive suite of tools designed to work together to provide visibility into your network and host activity.
Security Onion includes everything you need to monitor your network and host systems:
- Security Onion Console (SOC): A unified web interface for analyzing security events and managing your grid.
- Elastic Stack: Powerful search backed by Elasticsearch.
- Intrusion Detection: Network-based IDS with Suricata and host-based monitoring with Elastic Fleet.
- Network Metadata: Detailed network metadata generated by Zeek or Suricata.
- Full Packet Capture: Retain and analyze raw network traffic with Suricata PCAP.
For organizations and enterprises requiring advanced capabilities, Security Onion Pro offers additional features designed for scale and efficiency:
- Onion AI: Leverage powerful AI-driven insights to accelerate your analysis and investigations.
- Enterprise Features: Enhanced tools and integrations tailored for enterprise-grade security operations.
For more information, visit the Security Onion Pro page.
Security Onion is available and ready to deploy in the AWS, Azure, and Google Cloud (GCP) marketplaces.
| Goal | Resource |
|---|---|
| Download | Security Onion ISO |
| Requirements | Hardware Guide |
| Install | Installation Instructions |
| What's New | Release Notes |
For more detailed information, please visit our Documentation.
- FAQ: Frequently Asked Questions
- Community: Discussions & Support
- Training: Official Training
We welcome contributions! Please see our CONTRIBUTING.md for guidelines on how to get involved.
Security Onion is licensed under the terms of the license found in the LICENSE file.
Built with 🧅 by Security Onion Solutions.