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Security Onion

8.1

Very Good

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description Security Onion Overview

Security Onion is a free, Linux-based distribution that bundles the best open-source network security tools into a single, cohesive platform. It includes Zeek, Suricata, Wazuh, and a powerful ELK stack for log management and visualization. It is designed to be a complete 'all-in-one' solution for network security monitoring and incident response. While it requires a dedicated server and some technical knowledge to set up, it provides a level of capability that would cost thousands of dollars in commercial licensing.

It is the ultimate tool for budget-conscious organizations that want enterprise-grade visibility.

help Security Onion FAQ

What is Security Onion?

Security Onion is a free, Linux-based distribution that bundles the best open-source network security tools into a single, cohesive platform. It includes Zeek, Suricata, Wazuh, and a powerful ELK stack for log management and visualization. It is designed to be a complete 'all-in-one' solution for network security monitoring and incident response. While it requires a dedicated server and some technical knowledge to set up, it provides a level of capability that would cost thousands of dollars in commercial licensing. It is the ultimate tool for budget-conscious organizations that want enterprise-grade visibility.

How good is Security Onion?

Security Onion scores 8.1/10 (Very Good) on Lunoo, making it a well-rated option in the Cybersecurity category.

What are the best alternatives to Security Onion?

See our alternatives page for Security Onion for a ranked list with scores. Top alternatives include: Elastic Security, Tenable.io, CrowdStrike Falcon.

How does Security Onion compare to Elastic Security?

See our detailed comparison of Security Onion vs Elastic Security with scores, features, and an AI-powered verdict.

Is Security Onion worth it in 2026?

With a score of 8.1/10, Security Onion is highly rated in Cybersecurity. See all Cybersecurity ranked.

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