Sublime Security Sublime Rules is a free detection engineering solution by Sublime Security. Vircom Email Security is a commercial email security platforms solution by Vircom. Features, integrations, deployment and the company behind each one, side by side.
Open-source detection rules for email attacks like BEC, phishing, and malware
Email security platform enhanced with multi-tenant mgmt & automation tools
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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 a startup, you need a free product and you want an open-source product.
Vircom Email Security fits if you want a cloud product.
Common questions when comparing Sublime Security Sublime Rules vs Vircom Email Security for detection engineering.
Sublime Security Sublime Rules: Open-source detection rules for email attacks like BEC, phishing, and malware, built by Sublime Security.
Vircom Email Security: Email security platform enhanced with multi-tenant mgmt & automation tools, built by Vircom.
The table above shows where their features, integrations, deployment and company size fit differ.
Sublime Security Sublime Rules is open-source. Vircom Email Security is made by Vircom. 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 Vircom Email Security are not in the same category on CybersecTools. Key differences: Sublime Security Sublime Rules is Free while Vircom Email Security 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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