# Assetnote ASM vs Attack Surface Scan: side-by-side comparison (2026)

[Assetnote ASM](https://cybersectools.com/tools/assetnote-asm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Assetnote](https://cybersectools.com/companies/assetnote). [Attack Surface Scan](https://cybersectools.com/tools/attack-surface-scan) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Attack Surface Scan](https://cybersectools.com/companies/attack-surface-scan). 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

| | Assetnote ASM | Attack Surface Scan |
|---|---|---|
| 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 | SMB, Mid-Market, Enterprise |
| Company | Assetnote | Attack Surface Scan |
| Headquarters | – | – |

### Use cases and capabilities

| | Assetnote ASM | Attack Surface Scan |
|---|---|---|
| Security Scanning | Yes | Yes |
| DNS Security | – | Yes |
| TLS | – | Yes |
| SSL | – | Yes |
| Subdomain Enumeration | – | Yes |
| Alerting | – | Yes |
| Fingerprinting | – | Yes |
| DMARC | – | Yes |
| SPF | – | Yes |
| Security Reporting | – | Yes |

### Core features

**Assetnote ASM**

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

**Attack Surface Scan**

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

### Integrations

**Assetnote ASM**

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

**Attack Surface Scan**

9 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.

- [Attack Surface Scan](https://cybersectools.com/tools/attack-surface-scan) fits if you are a small business.

## Assetnote ASM vs Attack Surface Scan FAQ

Common questions when comparing Assetnote ASM vs Attack Surface Scan for external attack surface management.

### What is the difference between Assetnote ASM and Attack Surface Scan?

**Assetnote ASM**: External attack surface management platform with continuous asset discovery. Built by Assetnote.

**Attack Surface Scan**: Agentless external attack surface monitoring with continuous change detection. Built by Attack Surface Scan.

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

### Who makes Assetnote ASM and Attack Surface Scan?

**Assetnote ASM** is made by Assetnote founded in 2018-01-01T00:00:00.000Z. **Attack Surface Scan** is made by Attack Surface Scan. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Assetnote ASM a good alternative to Attack Surface Scan?

Often, yes. Assetnote ASM and Attack Surface Scan are both External Attack Surface Management products, and both cover Security Scanning. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Assetnote ASM vs SurfaceDiff](https://cybersectools.com/compare/assetnote-asm-vs-surfacediff)
- [Assetnote ASM vs crt.guru](https://cybersectools.com/compare/assetnote-asm-vs-crtguru)
- [Assetnote ASM vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/assetnote-asm-vs-ddactic-attack-surface-discovery)
- [Attack Surface Scan vs SurfaceDiff](https://cybersectools.com/compare/attack-surface-scan-vs-surfacediff)
- [Attack Surface Scan vs crt.guru](https://cybersectools.com/compare/attack-surface-scan-vs-crtguru)
- [Attack Surface Scan vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/attack-surface-scan-vs-ddactic-attack-surface-discovery)

## Alternatives to each

- [See all Assetnote ASM alternatives](https://cybersectools.com/alternatives/assetnote-asm)
- [See all Attack Surface Scan alternatives](https://cybersectools.com/alternatives/attack-surface-scan)

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Source: https://cybersectools.com/compare/assetnote-asm-vs-attack-surface-scan

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

More on Assetnote ASM and Attack Surface Scan: 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