Attack Surface Scan is a commercial external attack surface management solution by Attack Surface Scan. Subfinder is a free external attack surface management solution. Features, integrations, deployment and the company behind each one, side by side.
Agentless external attack surface monitoring with continuous change detection.
Fast passive subdomain enumeration tool
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Based on what each listing shows: deployment, company size, price and open source.
Attack Surface Scan fits if you want a cloud product.
Subfinder 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.
Common questions when comparing Attack Surface Scan vs Subfinder for external attack surface management.
Attack Surface Scan: Agentless external attack surface monitoring with continuous change detection. Built by Attack Surface Scan.
Subfinder: Fast passive subdomain enumeration tool.
The table above shows where their features, integrations, deployment and company size fit differ.
Attack Surface Scan is made by Attack Surface Scan. Subfinder is open-source with 12,248 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Attack Surface Scan and Subfinder are both External Attack Surface Management products, and both cover Subdomain Enumeration. Key differences: Attack Surface Scan is Commercial while Subfinder is Free, Subfinder is open-source. Use the table above to see where features, deployment and company size fit differ.
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