Open Source Security Events Metadata (OSSEM) is a free detection engineering solution. Sesame IT HOSHI is a commercial detection engineering solution by Jizô AI. Features, integrations, deployment and the company behind each one, side by side.
A community-led project focused on standardizing security event logs.
Curated attack use case platform that feeds threat scenarios into Jizô AI.
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.
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.
Sesame IT HOSHI fits if you want a cloud product.
Common questions when comparing Open Source Security Events Metadata (OSSEM) vs Sesame IT HOSHI for detection engineering.
Open Source Security Events Metadata (OSSEM): A community-led project focused on standardizing security event logs.
Sesame IT HOSHI: Curated attack use case platform that feeds threat scenarios into Jizô AI. Built by Jizô AI.
The table above shows where their features, integrations, deployment and company size fit differ.
Open Source Security Events Metadata (OSSEM) is open-source with 1,289 GitHub stars. Sesame IT HOSHI is made by Jizô AI. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Open Source Security Events Metadata (OSSEM) and Sesame IT HOSHI are both Detection Engineering products. Key differences: Open Source Security Events Metadata (OSSEM) is Free while Sesame IT HOSHI is Commercial, Open Source Security Events Metadata (OSSEM) is open-source. 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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