securityonion

securityonion

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.

github Security Shell free
★ 4,598Stars
639Forks
4,598Watchers
1Views
May 2026Last Update

About securityonion

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.

What you should know about securityonion

securityonion — 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.. It is categorized under Security and primarily built with Shell. The project has gathered 4,598 stars and 639 forks on GitHub, indicating a healthy and active community.

Pricing & licensing: This tool is offered free of charge , released under the Unknown license. The source code is openly available on GitHub, allowing engineers to audit, contribute, or fork as needed.

Use cases & topics: securityonion is associated with the following topics: case-management, cyber-security, endpoint-security, information-security, intrusion-detection-system, monitoring, network-security, security. Teams working in case-management / cyber-security / endpoint-security spaces typically evaluate this kind of tool when scoping new architecture decisions or replacing legacy components.

Getting started: Check out the official GitHub repository for installation steps, configuration examples, and the latest release notes. Most teams hit value within the first week if the tool aligns with their existing Security stack.

Editor's note from Fanny Engriana (Founder, Wardigi Digital Agency): when evaluating tools in the Security category for our agency clients, we look at three things first — license clarity, community size, and active maintenance. Tools with explicit license terms and ongoing commits tend to remain viable across multi-year projects.

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