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Security Onion project preview
Devops InfrastructureAlternative to QRadar SIEMAlternative to Splunk Enterprise SecurityAlternative to Elastic SIEM

Security Onion

Complete open-source SOC platform for network threat hunting, enterprise security monitoring, and log management.

View on GitHub Visit website
LicenseAGPL-3.0
GitHub stars3.8k
Last commit1 weeks ago
Tags5 topics
Full Packet CaptureNetwork Security MonitoringThreat Hunting PlatformSoc Incident InvestigationSecurity
Overview

Why consider Security Onion?

Security Onion is an open-source security operations platform. It integrates full packet capture, intrusion detection systems (Zeek, Suricata), host intrusion monitoring (Wazuh), and an Elasticsearch hunting console.

Guided learning

Learn Security Onion by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of Security Onion

Security Onion unifies packet inspection and endpoint host telemetry for rapid SOC incident hunting.

Quickstart

bash
1# Download and install ISO or deploy via setup script
2curl -L https://github.com/Security-Onion-Solutions/securityonion/raw/master/setup/sosetup.sh | sudo bash

Access the web console to analyze network PCAP captures and investigate automated alert escalations.

Security Onion is licensed under the GNU Affero General Public License v3.0.

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Security Onion FAQs

Security Onion is listed as a Devops Infrastructure tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

Security Onion is listed under the AGPL-3.0 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

Security Onion is listed as an alternative to QRadar SIEM. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.