altdns is a free external attack surface management solution. Cobalt Attack Surface Monitoring is a commercial external attack surface management solution by Cobalt. Features, integrations, deployment and the company behind each one, side by side.
A tool for generating permutations, alterations and mutations of subdomains and resolving them
Continuous external asset discovery and monitoring with daily domain scans.
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Based on what each listing shows: deployment, company size, price and open source.
altdns 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.
Cobalt Attack Surface Monitoring fits if you want a cloud product.
Common questions when comparing altdns vs Cobalt Attack Surface Monitoring for external attack surface management.
altdns: A tool for generating permutations, alterations and mutations of subdomains and resolving them.
Cobalt Attack Surface Monitoring: Continuous external asset discovery and monitoring with daily domain scans. Built by Cobalt.
The table above shows where their features, integrations, deployment and company size fit differ.
altdns is open-source with 2,439 GitHub stars. Cobalt Attack Surface Monitoring is made by Cobalt. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. altdns and Cobalt Attack Surface Monitoring are both External Attack Surface Management products, and both cover Reconnaissance. Key differences: altdns is Free while Cobalt Attack Surface Monitoring is Commercial, altdns is open-source. Use the table above to see where features, deployment and company size fit differ.
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