# FortifyData Attack Surface Management vs SurfaceDiff: side-by-side comparison (2026)

[FortifyData Attack Surface Management](https://cybersectools.com/tools/fortifydata-attack-surface-management) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [FortifyData](https://cybersectools.com/companies/fortifydata). [SurfaceDiff](https://cybersectools.com/tools/surfacediff) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [SurfaceDiff](https://cybersectools.com/companies/surfacediff). 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

| | FortifyData Attack Surface Management | SurfaceDiff |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | FortifyData | SurfaceDiff |
| Headquarters | – | – |

### Use cases and capabilities

| | FortifyData Attack Surface Management | SurfaceDiff |
|---|---|---|
| DNS Security | – | Yes |
| Port Scanning | – | Yes |
| TLS | – | Yes |
| Subdomain Enumeration | – | Yes |
| Network Scanning | – | Yes |
| Security Scanning | – | Yes |
| Alerting | – | Yes |
| Reconnaissance | – | Yes |
| Visibility | – | Yes |
| Web Security | – | Yes |

### Core features

**FortifyData Attack Surface Management**

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

**SurfaceDiff**

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

### Integrations

**FortifyData Attack Surface Management**

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

**SurfaceDiff**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [SurfaceDiff](https://cybersectools.com/tools/surfacediff) fits if you are a startup.

## FortifyData Attack Surface Management vs SurfaceDiff FAQ

Common questions when comparing FortifyData Attack Surface Management vs SurfaceDiff for external attack surface management.

### What is the difference between FortifyData Attack Surface Management and SurfaceDiff?

**FortifyData Attack Surface Management**: ASM platform for discovering, monitoring, and prioritizing external/internal assets. Built by FortifyData.

**SurfaceDiff**: Continuous external attack surface monitoring that shows what changed between scans. Built by SurfaceDiff.

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

### Who makes FortifyData Attack Surface Management and SurfaceDiff?

**FortifyData Attack Surface Management** is made by FortifyData. **SurfaceDiff** is made by SurfaceDiff. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is FortifyData Attack Surface Management a good alternative to SurfaceDiff?

Often, yes. FortifyData Attack Surface Management and SurfaceDiff are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [FortifyData Attack Surface Management vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-fortifydata-attack-surface-management)
- [FortifyData Attack Surface Management vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-fortifydata-attack-surface-management)
- [FortifyData Attack Surface Management vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/fortifydata-attack-surface-management-vs-trickest-asm-attack-surface-management)
- [SurfaceDiff vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-surfacediff)
- [SurfaceDiff vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-surfacediff)
- [SurfaceDiff vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/surfacediff-vs-trickest-asm-attack-surface-management)

## Alternatives to each

- [See all FortifyData Attack Surface Management alternatives](https://cybersectools.com/alternatives/fortifydata-attack-surface-management)
- [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff)

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Source: https://cybersectools.com/compare/fortifydata-attack-surface-management-vs-surfacediff

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/fortifydata-attack-surface-management.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on FortifyData Attack Surface Management and SurfaceDiff: 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