Assetnote ASM is a commercial external attack surface management solution by Assetnote. Censys Attack Surface Management is a commercial external attack surface management solution by Censys. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: Teams wanting broad internet data behind discovery
It is on the list because discovery rests on a map of the whole internet that Censys keeps current, and the same data serves threat hunting, which suits a team that wants one source for both jobs. It fits mid-market and enterprise companies. Ask how it ranks risk for your assets, since a broad map is only as useful as the order it puts findings in.
From Best Attack Surface Management Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
External attack surface management platform with continuous asset discovery
Internet intelligence platform for asset discovery and attack surface mapping
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Common questions when comparing Assetnote ASM vs Censys Attack Surface Management for external attack surface management.
Assetnote ASM: External attack surface management platform with continuous asset discovery. Built by Assetnote.
Censys Attack Surface Management: Internet intelligence platform for asset discovery and attack surface mapping. Built by Censys.
The table above shows where their features, integrations, deployment and company size fit differ.
Assetnote ASM is made by Assetnote founded in 2018-01-01T00:00:00.000Z. Censys Attack Surface Management is made by Censys. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Assetnote ASM and Censys Attack Surface Management are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ.
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