Google Security Operations is a commercial detection engineering solution by Google. Open Source Security Events Metadata (OSSEM) is a free detection engineering solution. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: Teams with very high log volumes
It earns a spot because ready-made detections from Google's researchers come with the platform, so you write fewer rules from scratch. It suits mid-market and enterprise SOCs that send large log volumes to the cloud. Its natural-language search and investigation chat run on Gemini, so check that your data policies allow that before you rely on them.
From Best SIEM Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
Cloud-native SIEM, SOAR, and threat intel platform for SecOps teams
A community-led project focused on standardizing security event logs.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Google Security Operations fits if you want a cloud product.
Open Source Security Events Metadata (OSSEM) fits if you need to run it on your own servers, you are a small business, you need a free product and you want an open-source product.
Common questions when comparing Google Security Operations vs Open Source Security Events Metadata (OSSEM) for detection engineering.
Google Security Operations: Cloud-native SIEM, SOAR, and threat intel platform for SecOps teams. Built by Google.
Open Source Security Events Metadata (OSSEM): A community-led project focused on standardizing security event logs.
The table above shows where their features, integrations, deployment and company size fit differ.
Google Security Operations is made by Google. Open Source Security Events Metadata (OSSEM) is open-source with 1,289 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Google Security Operations and Open Source Security Events Metadata (OSSEM) are both Detection Engineering products. Key differences: Google Security Operations is Commercial while Open Source Security Events Metadata (OSSEM) is Free, Open Source Security Events Metadata (OSSEM) is open-source. Use the table above to see where features, deployment and company size fit differ.
No Detection Engineering shortlist yet. This is the closest one.
Updated 2026-11-02
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