# DDactic Attack Surface Discovery vs OWASP Amass: 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). [OWASP Amass](https://cybersectools.com/tools/owasp-amass) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. 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

| | DDactic Attack Surface Discovery | OWASP Amass |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 14,260 |
| Last commit | – | Sep 2025 |
| Company | DDactic | – |
| Headquarters | – | – |

### Use cases and capabilities

| | DDactic Attack Surface Discovery | OWASP Amass |
|---|---|---|
| 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 | – |
| Network Mapping | – | Yes |
| OSINT | – | Yes |

### Core features

**DDactic Attack Surface Discovery**

10 features listed. Sign in on the page to see them.

**OWASP Amass**

No features listed.

### Integrations

**DDactic Attack Surface Discovery**

12 integrations listed. Sign in on the page to see them.

**OWASP Amass**

No integrations listed.

## 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 want a cloud product.
- [OWASP Amass](https://cybersectools.com/tools/owasp-amass) fits if you need to run it on your own servers, you need a free product and you want an open-source product.

## DDactic Attack Surface Discovery vs OWASP Amass FAQ

Common questions when comparing DDactic Attack Surface Discovery vs OWASP Amass for external attack surface management.

### What is the difference between DDactic Attack Surface Discovery and OWASP Amass?

**DDactic Attack Surface Discovery**: Scans domains to discover attack surface, vulnerabilities, and generate hardening, built by DDactic.

**OWASP Amass**: Performs network mapping of attack surfaces and external asset discovery using open source information gathering and active reconnaissance techniques.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes DDactic Attack Surface Discovery and OWASP Amass?

**DDactic Attack Surface Discovery** is made by DDactic founded in 2026-01-01T00:00:00.000Z. **OWASP Amass** is open-source with 14,260 GitHub stars. 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 OWASP Amass?

Often, yes. DDactic Attack Surface Discovery and OWASP Amass are both External Attack Surface Management products. Key differences: DDactic Attack Surface Discovery is Commercial while OWASP Amass is Free, OWASP Amass is open-source. 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 Cylana EASM](https://cybersectools.com/compare/cylana-easm-vs-ddactic-attack-surface-discovery)
- [OWASP Amass vs SurfaceDiff](https://cybersectools.com/compare/owasp-amass-vs-surfacediff)
- [OWASP Amass vs MGM Security Partners recon me](https://cybersectools.com/compare/mgm-security-partners-recon-me-vs-owasp-amass)
- [OWASP Amass vs Cylana EASM](https://cybersectools.com/compare/cylana-easm-vs-owasp-amass)

## Alternatives to each

- [See all DDactic Attack Surface Discovery alternatives](https://cybersectools.com/alternatives/ddactic-attack-surface-discovery)
- [See all OWASP Amass alternatives](https://cybersectools.com/alternatives/owasp-amass)

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Source: https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-owasp-amass

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More on DDactic Attack Surface Discovery and OWASP Amass: 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