Sigma Query is a free detection engineering solution. UTMStack Real-time SIEM & XDR is a commercial security information and event management solution by UTMStack. Features, integrations, deployment and the company behind each one, side by side.
Searchable repository of Sigma detection rules for threat hunting and SIEM
Open source SIEM and XDR platform for real-time threat detection and response
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Based on what each listing shows: deployment, company size, price and open source.
Sigma Query fits if you want a cloud product, you are a startup and you need a free product.
UTMStack Real-time SIEM & XDR fits if you need both cloud and on-premises options and you are a small business or a mid-market company or an enterprise.
Common questions when comparing Sigma Query vs UTMStack Real-time SIEM & XDR for detection engineering.
Sigma Query: Searchable repository of Sigma detection rules for threat hunting and SIEM.
UTMStack Real-time SIEM & XDR: Open source SIEM and XDR platform for real-time threat detection and response, built by UTMStack.
The table above shows where their features, integrations, deployment and company size fit differ.
In part. Sigma Query and UTMStack Real-time SIEM & XDR are not in the same category on CybersecTools. Both cover Open Source. Key differences: Sigma Query is Free while UTMStack Real-time SIEM & XDR is Commercial. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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