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

[Attack Surface Management](https://cybersectools.com/tools/attack-surface-management) is a commercial [cyber asset attack surface management](https://cybersectools.com/categories/caasm) solution by [Liongard](https://cybersectools.com/companies/liongard). [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.

## Side-by-side comparison

| | Attack Surface Management | SurfaceDiff |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Cyber Asset 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 | Liongard | SurfaceDiff |
| Headquarters | – | – |

### Use cases and capabilities

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

### Core features

**Attack Surface Management**

9 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 or a small business.

## Attack Surface Management vs SurfaceDiff FAQ

Common questions when comparing Attack Surface Management vs SurfaceDiff for cyber asset attack surface management.

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

**Attack Surface Management**: Attack surface mgmt platform for financial institutions with asset discovery. Built by Liongard.

**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 Attack Surface Management and SurfaceDiff?

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

In part. Attack Surface Management and SurfaceDiff are not in the same category on CybersecTools. Both cover Alerting. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Attack Surface Management vs TrustFour T4 - Detect](https://cybersectools.com/compare/attack-surface-management-vs-trustfour-t4-detect)
- [Attack Surface Management vs Ivanti Neurons for Discovery](https://cybersectools.com/compare/attack-surface-management-vs-ivanti-neurons-for-discovery)
- [Attack Surface Management vs FirstWave Open-AudIT](https://cybersectools.com/compare/attack-surface-management-vs-firstwave-open-audit)
- [SurfaceDiff vs TrustFour T4 - Detect](https://cybersectools.com/compare/surfacediff-vs-trustfour-t4-detect)
- [SurfaceDiff vs Ivanti Neurons for Discovery](https://cybersectools.com/compare/ivanti-neurons-for-discovery-vs-surfacediff)
- [SurfaceDiff vs FirstWave Open-AudIT](https://cybersectools.com/compare/firstwave-open-audit-vs-surfacediff)

## Alternatives to each

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

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

More on 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