# Assetnote ASM vs Censys Attack Surface Management: 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). [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). Features, integrations, deployment and the company behind each one, side by side.

## Our take

What our shortlists say about the one we picked.

### [Censys Attack Surface Management](https://cybersectools.com/tools/censys-attack-surface-management)

Best for: Teams wanting broad internet data behind discovery

It is on the list because discovery rests on a map of the whole internet that Censys keeps current, and the same data serves threat hunting, which suits a team that wants one source for both jobs. It fits mid-market and enterprise companies. Ask how it ranks risk for your assets, since a broad map is only as useful as the order it puts findings in.

From [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions), Fall 2026.

Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about).

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 | Censys Attack Surface Management |
|---|---|---|
| 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 | Mid-Market, Enterprise |
| Company | Assetnote | Censys |
| Headquarters | – | – |

### Use cases and capabilities

| | Assetnote ASM | Censys Attack Surface Management |
|---|---|---|
| Security Scanning | Yes | – |
| Reconnaissance | – | Yes |
| Network Discovery | – | Yes |
| Blue Team | – | Yes |

### Core features

**Assetnote ASM**

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

**Censys Attack Surface Management**

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.

**Censys Attack Surface Management**

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

## Assetnote ASM vs Censys Attack Surface Management FAQ

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

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

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

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

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

### Who makes Assetnote ASM and Censys Attack Surface Management?

**Assetnote ASM** is made by Assetnote founded in 2018-01-01T00:00:00.000Z. **Censys Attack Surface Management** is made by Censys. 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 Censys Attack Surface Management?

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

## Related comparisons

- [Assetnote ASM vs Attaxion](https://cybersectools.com/compare/assetnote-asm-vs-attaxion)
- [Assetnote ASM vs Cylana EASM](https://cybersectools.com/compare/assetnote-asm-vs-cylana-easm)
- [Assetnote ASM vs MGM Security Partners recon me](https://cybersectools.com/compare/assetnote-asm-vs-mgm-security-partners-recon-me)
- [Censys Attack Surface Management vs Attaxion](https://cybersectools.com/compare/attaxion-vs-censys-attack-surface-management)
- [Censys Attack Surface Management vs Cylana EASM](https://cybersectools.com/compare/censys-attack-surface-management-vs-cylana-easm)
- [Censys Attack Surface Management vs MGM Security Partners recon me](https://cybersectools.com/compare/censys-attack-surface-management-vs-mgm-security-partners-recon-me)

## Alternatives to each

- [See all Assetnote ASM alternatives](https://cybersectools.com/alternatives/assetnote-asm)
- [See all Censys Attack Surface Management alternatives](https://cybersectools.com/alternatives/censys-attack-surface-management)

---

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

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 Censys Attack Surface Management: 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
