# DDactic Attack Surface Discovery vs Findomain: 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). [Findomain](https://cybersectools.com/tools/findomain) 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, Mandiant Attack Surface Management and 4 more.

## Side-by-side comparison

| | DDactic Attack Surface Discovery | Findomain |
|---|---|---|
| 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 | – | 3,561 |
| Last commit | – | Sep 2025 |
| Company | DDactic | – |
| Headquarters | – | – |

### Use cases and capabilities

| | DDactic Attack Surface Discovery | Findomain |
|---|---|---|
| Subdomain Enumeration | Yes | Yes |
| Vulnerability | Yes | – |
| DDoS | Yes | – |
| DNS Security | Yes | – |
| Network Scanning | Yes | – |
| Security Scanning | Yes | – |
| Port Scanning | Yes | Yes |
| SSL | Yes | – |
| Data Breach | Yes | – |
| Reconnaissance | Yes | Yes |
| OSINT | – | Yes |
| Network Reconnaissance | – | Yes |

### Core features

**DDactic Attack Surface Discovery**

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

**Findomain**

No features listed.

### Integrations

**DDactic Attack Surface Discovery**

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

**Findomain**

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.
- [Findomain](https://cybersectools.com/tools/findomain) 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 Findomain FAQ

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

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

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

**Findomain**: A domain reconnaissance tool that automates subdomain discovery, port scanning, and monitoring with support for multiple data sources and notification integrations.

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

### Who makes DDactic Attack Surface Discovery and Findomain?

**DDactic Attack Surface Discovery** is made by DDactic founded in 2026-01-01T00:00:00.000Z. **Findomain** is open-source with 3,561 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 Findomain?

Often, yes. DDactic Attack Surface Discovery and Findomain are both External Attack Surface Management products, and both cover Port Scanning, Reconnaissance, Subdomain Enumeration. Key differences: DDactic Attack Surface Discovery is Commercial while Findomain is Free, Findomain is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [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 SurfaceDiff](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-surfacediff)
- [DDactic Attack Surface Discovery vs DarkInvader EASM Platform](https://cybersectools.com/compare/darkinvader-easm-platform-vs-ddactic-attack-surface-discovery)
- [Findomain vs MGM Security Partners recon me](https://cybersectools.com/compare/findomain-vs-mgm-security-partners-recon-me)
- [Findomain vs SurfaceDiff](https://cybersectools.com/compare/findomain-vs-surfacediff)
- [Findomain vs DarkInvader EASM Platform](https://cybersectools.com/compare/darkinvader-easm-platform-vs-findomain)

## Alternatives to each

- [See all DDactic Attack Surface Discovery alternatives](https://cybersectools.com/alternatives/ddactic-attack-surface-discovery)
- [See all Findomain alternatives](https://cybersectools.com/alternatives/findomain)

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

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