RuleCheck is a commercial detection engineering solution by RuleCheck. Sublime Security Sublime Rules is a free detection engineering solution by Sublime Security. Features, integrations, deployment and the company behind each one, side by side.
Automated QA tool for Elastic Security detection rules and queries.
Open-source detection rules for email attacks like BEC, phishing, and malware
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Based on what each listing shows: deployment, company size, price and open source.
RuleCheck fits if you need both cloud and on-premises options.
Sublime Security Sublime Rules 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 RuleCheck vs Sublime Security Sublime Rules for detection engineering.
RuleCheck: Automated QA tool for Elastic Security detection rules and queries, built by RuleCheck.
Sublime Security Sublime Rules: Open-source detection rules for email attacks like BEC, phishing, and malware, built by Sublime Security.
The table above shows where their features, integrations, deployment and company size fit differ.
RuleCheck is made by RuleCheck. Sublime Security Sublime Rules is open-source. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. RuleCheck and Sublime Security Sublime Rules are both Detection Engineering products, and both cover Detection Rules. Key differences: RuleCheck is Commercial while Sublime Security Sublime Rules is Free. 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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