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

[Censys Attack Surface Management](https://cybersectools.com/tools/censys-attack-surface-management) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Censys](https://cybersectools.com/companies/censys). [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, Google Mandiant Attack Surface Management and 4 more.

## Side-by-side comparison

| | Censys 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 | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Censys | SurfaceDiff |
| Headquarters | – | – |

### Use cases and capabilities

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

### Core features

**Censys 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

**Censys Attack Surface Management**

16 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 or a small business.

## Censys Attack Surface Management vs SurfaceDiff FAQ

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

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

**Censys Attack Surface Management**: Internet intelligence platform for asset discovery and attack surface mapping, built by Censys.

**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 Censys Attack Surface Management and SurfaceDiff?

**Censys Attack Surface Management** is made by Censys. **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 Censys Attack Surface Management a good alternative to SurfaceDiff?

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

## Related comparisons

- [Censys Attack Surface Management vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/censys-attack-surface-management-vs-ddactic-attack-surface-discovery)
- [Censys Attack Surface Management vs Cylana EASM](https://cybersectools.com/compare/censys-attack-surface-management-vs-cylana-easm)
- [Censys Attack Surface Management vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-censys-attack-surface-management)
- [SurfaceDiff vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-surfacediff)
- [SurfaceDiff vs Cylana EASM](https://cybersectools.com/compare/cylana-easm-vs-surfacediff)
- [SurfaceDiff vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-surfacediff)

## Alternatives to each

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

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Source: https://cybersectools.com/compare/censys-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/censys-attack-surface-management.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Censys 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
