Fluency SIEM vs Security Onion Pro: side-by-side comparison (2026)

Fluency SIEM: AI-driven SIEM with streaming analytics, UEBA, and autonomous SOC workflows. Built by Fluency Security.

Security Onion Pro: Commercial license tier adding enterprise features and support to Security Onion NSM/SIEM. Built by Security Onion Solutions.

The table above shows where their features, integrations, deployment and company size fit differ.

Fluency SIEM is made by Fluency Security. Security Onion Pro is made by Security Onion Solutions. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Fluency SIEM and Security Onion Pro are both Security Information and Event Management products. Use the table above to see where features, deployment and company size fit differ.