Sublime Security Sublime Rules is a free detection engineering solution by Sublime Security. Upfort is a commercial email security platforms solution by Upfort. Features, integrations, deployment and the company behind each one, side by side.
Open-source detection rules for email attacks like BEC, phishing, and malware
Unified AI-powered cybersecurity & cyber insurance platform for SMBs.
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Based on what each listing shows: deployment, company size, price and open source.
Sublime Security Sublime Rules fits if you need to run it on your own servers, you are an enterprise, you need a free product and you want an open-source product.
Upfort fits if you want a cloud product.
Common questions when comparing Sublime Security Sublime Rules vs Upfort for detection engineering.
Sublime Security Sublime Rules: Open-source detection rules for email attacks like BEC, phishing, and malware, built by Sublime Security.
Upfort: Unified AI-powered cybersecurity & cyber insurance platform for SMBs, built by Upfort.
The table above shows where their features, integrations, deployment and company size fit differ.
Sublime Security Sublime Rules is open-source. Upfort is made by Upfort. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
In part. Sublime Security Sublime Rules and Upfort are not in the same category on CybersecTools. Key differences: Sublime Security Sublime Rules is Free while Upfort 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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