# Censys Attack Surface Management vs ctlogs.dev: side-by-side comparison (2026) [Censys Attack Surface Management](https://cybersectools.com/tools/censys-attack-surface-management) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Censys](https://cybersectools.com/companies/censys). [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Apps34](https://cybersectools.com/companies/apps34). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Censys Attack Surface Management](https://cybersectools.com/tools/censys-attack-surface-management) 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](https://cybersectools.com/shortlists/best-attack-surface-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | Censys Attack Surface Management | ctlogs.dev | |---|---|---| | Pricing model | Commercial | Commercial | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | No | Verified | | Deployment type | Cloud | Cloud | | Company size fit | Mid-Market, Enterprise | Startup | | Company | Censys | Apps34 | | Headquarters | – | – | ### Use cases and capabilities | | Censys Attack Surface Management | ctlogs.dev | |---|---|---| | Reconnaissance | Yes | Yes | | Network Discovery | Yes | – | | Blue Team | Yes | – | | OSINT | – | Yes | | SSL | – | Yes | | TLS | – | Yes | | REST API | – | Yes | | Cyber Threat Intelligence | – | Yes | | DNS Security | – | Yes | | Attack Detection | – | Yes | | Subdomain Enumeration | – | Yes | ### Core features **Censys Attack Surface Management** 10 features listed. Sign in on the page to see them. **ctlogs.dev** - Real-time Certificate Transparency Search - Automated Subdomain Enumeration - High-Performance REST JSON API - Wildcard & Fingerprint Matching - SSL/TLS Certificate History Tracking - Attack Surface Mapping - Historical Log Archiving - Instant Domain & Issuer Filtering ### Integrations **Censys Attack Surface Management** 16 integrations listed. Sign in on the page to see them. **ctlogs.dev** - REST API - cURL - Python - JSON - Webhooks - SIEM ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Censys Attack Surface Management](https://cybersectools.com/tools/censys-attack-surface-management) fits if you are a mid-market company or an enterprise. - [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) fits if you are a startup. ## Censys Attack Surface Management vs ctlogs.dev FAQ Common questions when comparing Censys Attack Surface Management vs ctlogs.dev for external attack surface management. ### What is the difference between Censys Attack Surface Management and ctlogs.dev? **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. ### Who makes Censys Attack Surface Management and ctlogs.dev? **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. ### Is Censys Attack Surface Management a good alternative to ctlogs.dev? 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. ## Related comparisons - [Censys Attack Surface Management vs MGM Security Partners recon me](https://cybersectools.com/compare/censys-attack-surface-management-vs-mgm-security-partners-recon-me) - [Censys Attack Surface Management vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-censys-attack-surface-management) - [Censys Attack Surface Management vs Driftnet Explore](https://cybersectools.com/compare/censys-attack-surface-management-vs-driftnet-explore) - [ctlogs.dev vs MGM Security Partners recon me](https://cybersectools.com/compare/ctlogsdev-vs-mgm-security-partners-recon-me) - [ctlogs.dev vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-ctlogsdev) - [ctlogs.dev vs Driftnet Explore](https://cybersectools.com/compare/ctlogsdev-vs-driftnet-explore) ## Alternatives to each - [See all Censys Attack Surface Management alternatives](https://cybersectools.com/alternatives/censys-attack-surface-management) - [See all ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev) --- Source: https://cybersectools.com/compare/censys-attack-surface-management-vs-ctlogsdev For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/censys-attack-surface-management.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Censys Attack Surface Management and ctlogs.dev: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md