# SurfaceDiff vs ThreatMon Attack Surface Intelligence: side-by-side comparison (2026)

[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). [ThreatMon Attack Surface Intelligence](https://cybersectools.com/tools/threatmon-attack-surface-intelligence) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [ThreatMon](https://cybersectools.com/companies/threatmon). 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

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

### Use cases and capabilities

| | SurfaceDiff | ThreatMon Attack Surface Intelligence |
|---|---|---|
| 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

**SurfaceDiff**

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

**ThreatMon Attack Surface Intelligence**

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

### Integrations

**SurfaceDiff**

No integrations listed.

**ThreatMon Attack Surface Intelligence**

16 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.

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

## SurfaceDiff vs ThreatMon Attack Surface Intelligence FAQ

Common questions when comparing SurfaceDiff vs ThreatMon Attack Surface Intelligence for external attack surface management.

### What is the difference between SurfaceDiff and ThreatMon Attack Surface Intelligence?

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

**ThreatMon Attack Surface Intelligence**: Attack surface management platform for asset discovery and vulnerability monitoring. Built by ThreatMon.

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

### Who makes SurfaceDiff and ThreatMon Attack Surface Intelligence?

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

### Is SurfaceDiff a good alternative to ThreatMon Attack Surface Intelligence?

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

## Related comparisons

- [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)
- [ThreatMon Attack Surface Intelligence vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-threatmon-attack-surface-intelligence)
- [ThreatMon Attack Surface Intelligence vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-threatmon-attack-surface-intelligence)
- [ThreatMon Attack Surface Intelligence vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/threatmon-attack-surface-intelligence-vs-trickest-asm-attack-surface-management)

## Alternatives to each

- [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff)
- [See all ThreatMon Attack Surface Intelligence alternatives](https://cybersectools.com/alternatives/threatmon-attack-surface-intelligence)

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Source: https://cybersectools.com/compare/surfacediff-vs-threatmon-attack-surface-intelligence

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

More on SurfaceDiff and ThreatMon Attack Surface Intelligence: 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
