Censys Attack Surface Management is a commercial external attack surface management solution by Censys. ctlogs.dev is a commercial external attack surface management solution by Apps34. 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.
Internet intelligence platform for asset discovery and attack surface mapping
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
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Based on what each listing shows: deployment, company size, price and open source.
Censys Attack Surface Management fits if you are a mid-market company or an enterprise.
ctlogs.dev fits if you are a startup.
Common questions when comparing Censys Attack Surface Management vs ctlogs.dev for external attack surface management.
Censys Attack Surface Management: Internet intelligence platform for asset discovery and attack surface mapping. Built by Censys.
ctlogs.dev: Fast Certificate Transparency search and JSON API for subdomain reconnaissance. Built by Apps34. Core capabilities include Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API.
The table above shows where their features, integrations, deployment and company size fit differ.
Censys Attack Surface Management is made by Censys. ctlogs.dev is made by Apps34. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Censys Attack Surface Management and ctlogs.dev are both External Attack Surface Management products, and both cover Reconnaissance. Use the table above to see where features, deployment and company size fit differ.
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