# censys-enumeration vs DDactic Attack Surface Discovery: side-by-side comparison (2026) [censys-enumeration](https://cybersectools.com/tools/censys-enumeration) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. [DDactic Attack Surface Discovery](https://cybersectools.com/tools/ddactic-attack-surface-discovery) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [DDactic](https://cybersectools.com/companies/ddactic). Features, integrations, deployment and the company behind each one, side by side. 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-enumeration | DDactic Attack Surface Discovery | |---|---|---| | Pricing model | Free | Commercial | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | 152 | – | | Last commit | Jan 2019 | – | | Company | – | DDactic | | Headquarters | – | – | ### Use cases and capabilities | | censys-enumeration | DDactic Attack Surface Discovery | |---|---|---| | TLS | Yes | – | | Enumeration | Yes | – | | SSL | Yes | Yes | | Reconnaissance | Yes | Yes | | Subdomain Enumeration | Yes | Yes | | Vulnerability | – | Yes | | DDoS | – | Yes | | DNS Security | – | Yes | | Network Scanning | – | Yes | | Security Scanning | – | Yes | | Port Scanning | – | Yes | | Data Breach | – | Yes | ### Core features **censys-enumeration** No features listed. **DDactic Attack Surface Discovery** 10 features listed. Sign in on the page to see them. ### Integrations **censys-enumeration** No integrations listed. **DDactic Attack Surface Discovery** 12 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [censys-enumeration](https://cybersectools.com/tools/censys-enumeration) fits if you need a free product and you want an open-source product. ## censys-enumeration vs DDactic Attack Surface Discovery FAQ Common questions when comparing censys-enumeration vs DDactic Attack Surface Discovery for external attack surface management. ### What is the difference between censys-enumeration and DDactic Attack Surface Discovery? **censys-enumeration**: A script to extract subdomains/emails for a given domain using SSL/TLS certificate dataset on Censys. **DDactic Attack Surface Discovery**: Scans domains to discover attack surface, vulnerabilities, and generate hardening. Built by DDactic. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes censys-enumeration and DDactic Attack Surface Discovery? **censys-enumeration** is open-source with 152 GitHub stars. **DDactic Attack Surface Discovery** is made by DDactic founded in 2026-01-01T00:00:00.000Z. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is censys-enumeration a good alternative to DDactic Attack Surface Discovery? Often, yes. censys-enumeration and DDactic Attack Surface Discovery are both External Attack Surface Management products, and both cover Subdomain Enumeration, SSL, Reconnaissance. Key differences: censys-enumeration is Free while DDactic Attack Surface Discovery is Commercial, censys-enumeration is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [censys-enumeration vs SurfaceDiff](https://cybersectools.com/compare/censys-enumeration-vs-surfacediff) - [censys-enumeration vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-censys-enumeration) - [censys-enumeration vs MGM Security Partners recon me](https://cybersectools.com/compare/censys-enumeration-vs-mgm-security-partners-recon-me) - [DDactic Attack Surface Discovery vs SurfaceDiff](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-surfacediff) - [DDactic Attack Surface Discovery vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-ddactic-attack-surface-discovery) - [DDactic Attack Surface Discovery vs MGM Security Partners recon me](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-mgm-security-partners-recon-me) ## Alternatives to each - [See all censys-enumeration alternatives](https://cybersectools.com/alternatives/censys-enumeration) - [See all DDactic Attack Surface Discovery alternatives](https://cybersectools.com/alternatives/ddactic-attack-surface-discovery) --- Source: https://cybersectools.com/compare/censys-enumeration-vs-ddactic-attack-surface-discovery For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/censys-enumeration.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on censys-enumeration and DDactic Attack Surface Discovery: 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