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

[Edgescan Attack Surface Management (ASM)](https://cybersectools.com/tools/edgescan-attack-surface-management-asm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Edgescan](https://cybersectools.com/companies/edgescan). [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

| | Edgescan Attack Surface Management (ASM) | 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 | Edgescan | SurfaceDiff |
| Headquarters | – | – |

### Use cases and capabilities

| | Edgescan Attack Surface Management (ASM) | SurfaceDiff |
|---|---|---|
| DNS Security | Yes | Yes |
| Misconfiguration | 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

**Edgescan Attack Surface Management (ASM)**

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

**SurfaceDiff**

9 features 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.

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

## Edgescan Attack Surface Management (ASM) vs SurfaceDiff FAQ

Common questions when comparing Edgescan Attack Surface Management (ASM) vs SurfaceDiff for external attack surface management.

### What is the difference between Edgescan Attack Surface Management (ASM) and SurfaceDiff?

**Edgescan Attack Surface Management (ASM)**: External attack surface management platform for asset discovery and monitoring. Built by Edgescan.

**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 Edgescan Attack Surface Management (ASM) and SurfaceDiff?

**Edgescan Attack Surface Management (ASM)** is made by Edgescan. **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 Edgescan Attack Surface Management (ASM) a good alternative to SurfaceDiff?

Often, yes. Edgescan Attack Surface Management (ASM) and SurfaceDiff are both External Attack Surface Management products, and both cover DNS Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Edgescan Attack Surface Management (ASM) vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-edgescan-attack-surface-management-asm)
- [Edgescan Attack Surface Management (ASM) vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-edgescan-attack-surface-management-asm)
- [Edgescan Attack Surface Management (ASM) vs MGM Security Partners recon me](https://cybersectools.com/compare/edgescan-attack-surface-management-asm-vs-mgm-security-partners-recon-me)
- [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 MGM Security Partners recon me](https://cybersectools.com/compare/mgm-security-partners-recon-me-vs-surfacediff)

## Alternatives to each

- [See all Edgescan Attack Surface Management (ASM) alternatives](https://cybersectools.com/alternatives/edgescan-attack-surface-management-asm)
- [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff)

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

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

More on Edgescan Attack Surface Management (ASM) 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