# Assetnote ASM vs DDactic Attack Surface Discovery: side-by-side comparison (2026) [Assetnote ASM](https://cybersectools.com/tools/assetnote-asm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Assetnote](https://cybersectools.com/companies/assetnote). [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, Google Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | Assetnote ASM | DDactic Attack Surface Discovery | |---|---|---| | Pricing model | Commercial | Commercial | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | Company | Assetnote | DDactic | | Headquarters | – | – | ### Use cases and capabilities | | Assetnote ASM | DDactic Attack Surface Discovery | |---|---|---| | Security Scanning | Yes | Yes | | Subdomain Enumeration | – | Yes | | Vulnerability | – | Yes | | DDoS | – | Yes | | DNS Security | – | Yes | | Network Scanning | – | Yes | | Port Scanning | – | Yes | | SSL | – | Yes | | Data Breach | – | Yes | | Reconnaissance | – | Yes | ### Core features **Assetnote ASM** 10 features listed. Sign in on the page to see them. **DDactic Attack Surface Discovery** 10 features listed. Sign in on the page to see them. ### Integrations **Assetnote ASM** 2 integrations listed. Sign in on the page to see them. **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. - [DDactic Attack Surface Discovery](https://cybersectools.com/tools/ddactic-attack-surface-discovery) fits if you are a startup or a small business. ## Assetnote ASM vs DDactic Attack Surface Discovery FAQ Common questions when comparing Assetnote ASM vs DDactic Attack Surface Discovery for external attack surface management. ### What is the difference between Assetnote ASM and DDactic Attack Surface Discovery? **Assetnote ASM**: External attack surface management platform with continuous asset discovery, built by Assetnote. **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 Assetnote ASM and DDactic Attack Surface Discovery? **Assetnote ASM** is made by Assetnote founded in 2018-01-01T00:00:00.000Z. **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 Assetnote ASM a good alternative to DDactic Attack Surface Discovery? Often, yes. Assetnote ASM and DDactic Attack Surface Discovery are both External Attack Surface Management products, and both cover Security Scanning. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Assetnote ASM vs SurfaceDiff](https://cybersectools.com/compare/assetnote-asm-vs-surfacediff) - [Assetnote ASM vs MGM Security Partners recon me](https://cybersectools.com/compare/assetnote-asm-vs-mgm-security-partners-recon-me) - [Assetnote ASM vs Cylana EASM](https://cybersectools.com/compare/assetnote-asm-vs-cylana-easm) - [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 Cylana EASM](https://cybersectools.com/compare/cylana-easm-vs-ddactic-attack-surface-discovery) ## Alternatives to each - [See all Assetnote ASM alternatives](https://cybersectools.com/alternatives/assetnote-asm) - [See all DDactic Attack Surface Discovery alternatives](https://cybersectools.com/alternatives/ddactic-attack-surface-discovery) --- Source: https://cybersectools.com/compare/assetnote-asm-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/assetnote-asm.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Assetnote ASM 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