Immersive Crisis Sim is a commercial cyber range training solution by Immersive Labs. SentinelTestbed is a free cyber range training solution. Features, integrations, deployment and the company behind each one, side by side.
AI-driven cyber crisis simulation platform for testing org-wide incident response.
A vulnerable web site for testing Sentinel features
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Based on what each listing shows: deployment, company size, price and open source.
Immersive Crisis Sim fits if you want a cloud product and you are an enterprise.
SentinelTestbed fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product.
Common questions when comparing Immersive Crisis Sim vs SentinelTestbed for cyber range training.
Immersive Crisis Sim: AI-driven cyber crisis simulation platform for testing org-wide incident response, built by Immersive Labs.
SentinelTestbed: A vulnerable web site for testing Sentinel features.
The table above shows where their features, integrations, deployment and company size fit differ.
Immersive Crisis Sim is made by Immersive Labs. SentinelTestbed is open-source with 11 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Immersive Crisis Sim and SentinelTestbed are both Cyber Range Training products. Key differences: Immersive Crisis Sim is Commercial while SentinelTestbed is Free, SentinelTestbed 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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