# DDactic Attack Surface Discovery vs Siemba EASM: side-by-side comparison (2026) [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). [Siemba EASM](https://cybersectools.com/tools/siemba-easm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Siemba](https://cybersectools.com/companies/siemba). 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 | | DDactic Attack Surface Discovery | Siemba EASM | |---|---|---| | Pricing model | Commercial | 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 | SMB, Mid-Market, Enterprise | | Company | DDactic | Siemba | | Headquarters | – | – | ### Use cases and capabilities | | DDactic Attack Surface Discovery | Siemba EASM | |---|---|---| | Subdomain Enumeration | Yes | – | | Vulnerability | Yes | – | | DDoS | Yes | – | | DNS Security | Yes | – | | Network Scanning | Yes | – | | Security Scanning | Yes | – | | Port Scanning | Yes | – | | SSL | Yes | – | | Data Breach | Yes | – | | Reconnaissance | Yes | – | | Misconfiguration | – | Yes | | TLS | – | Yes | ### Core features **DDactic Attack Surface Discovery** 10 features listed. Sign in on the page to see them. **Siemba EASM** 10 features listed. Sign in on the page to see them. ### Integrations **DDactic Attack Surface Discovery** 12 integrations listed. Sign in on the page to see them. **Siemba EASM** 6 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. - [DDactic Attack Surface Discovery](https://cybersectools.com/tools/ddactic-attack-surface-discovery) fits if you are a startup. ## DDactic Attack Surface Discovery vs Siemba EASM FAQ Common questions when comparing DDactic Attack Surface Discovery vs Siemba EASM for external attack surface management. ### What is the difference between DDactic Attack Surface Discovery and Siemba EASM? **DDactic Attack Surface Discovery**: Scans domains to discover attack surface, vulnerabilities, and generate hardening. Built by DDactic. **Siemba EASM**: AI-driven EASM platform for discovering and monitoring external-facing assets. Built by Siemba. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes DDactic Attack Surface Discovery and Siemba EASM? **DDactic Attack Surface Discovery** is made by DDactic founded in 2026-01-01T00:00:00.000Z. **Siemba EASM** is made by Siemba. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is DDactic Attack Surface Discovery a good alternative to Siemba EASM? Often, yes. DDactic Attack Surface Discovery and Siemba EASM are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [DDactic Attack Surface Discovery vs SurfaceDiff](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-surfacediff) - [DDactic Attack Surface Discovery vs MGM Security Partners recon me](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-mgm-security-partners-recon-me) - [DDactic Attack Surface Discovery vs ThreatDefence Integrated ASM](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-threatdefence-integrated-asm) - [Siemba EASM vs SurfaceDiff](https://cybersectools.com/compare/siemba-easm-vs-surfacediff) - [Siemba EASM vs MGM Security Partners recon me](https://cybersectools.com/compare/mgm-security-partners-recon-me-vs-siemba-easm) - [Siemba EASM vs ThreatDefence Integrated ASM](https://cybersectools.com/compare/siemba-easm-vs-threatdefence-integrated-asm) ## Alternatives to each - [See all DDactic Attack Surface Discovery alternatives](https://cybersectools.com/alternatives/ddactic-attack-surface-discovery) - [See all Siemba EASM alternatives](https://cybersectools.com/alternatives/siemba-easm) --- Source: https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-siemba-easm For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/ddactic-attack-surface-discovery.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on DDactic Attack Surface Discovery and Siemba EASM: 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