# NetSPI External Attack Surface Management (EASM) vs Outpost24 CyberFlex: side-by-side comparison (2026)

[NetSPI External Attack Surface Management (EASM)](https://cybersectools.com/tools/netspi-external-attack-surface-management-easm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [NetSPI](https://cybersectools.com/companies/netspi). [Outpost24 CyberFlex](https://cybersectools.com/tools/outpost24-cyberflex) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Outpost24](https://cybersectools.com/companies/outpost24). 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

| | NetSPI External Attack Surface Management (EASM) | Outpost24 CyberFlex |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | NetSPI | Outpost24 |
| Headquarters | – | – |

### Use cases and capabilities

| | NetSPI External Attack Surface Management (EASM) | Outpost24 CyberFlex |
|---|---|---|
| Dark Web Monitoring | Yes | Yes |

### Core features

**NetSPI External Attack Surface Management (EASM)**

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

**Outpost24 CyberFlex**

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

### Integrations

**NetSPI External Attack Surface Management (EASM)**

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

**Outpost24 CyberFlex**

1 integration listed. Sign in on the page to see them.

## NetSPI External Attack Surface Management (EASM) vs Outpost24 CyberFlex FAQ

Common questions when comparing NetSPI External Attack Surface Management (EASM) vs Outpost24 CyberFlex for external attack surface management.

### What is the difference between NetSPI External Attack Surface Management (EASM) and Outpost24 CyberFlex?

**NetSPI External Attack Surface Management (EASM)**: Continuous discovery, monitoring, and testing of external assets and exposures. Built by NetSPI.

**Outpost24 CyberFlex**: EASM platform combined with PTaaS for web app discovery and testing. Built by Outpost24.

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

### Who makes NetSPI External Attack Surface Management (EASM) and Outpost24 CyberFlex?

**NetSPI External Attack Surface Management (EASM)** is made by NetSPI. **Outpost24 CyberFlex** is made by Outpost24. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is NetSPI External Attack Surface Management (EASM) a good alternative to Outpost24 CyberFlex?

Often, yes. NetSPI External Attack Surface Management (EASM) and Outpost24 CyberFlex are both External Attack Surface Management products, and both cover Dark Web Monitoring. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [NetSPI External Attack Surface Management (EASM) vs Outpost24 External Attack Surface Management](https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-outpost24-external-attack-surface-management)
- [NetSPI External Attack Surface Management (EASM) vs Halo Security Attack Surface Management](https://cybersectools.com/compare/halo-security-attack-surface-management-vs-netspi-external-attack-surface-management-easm)
- [NetSPI External Attack Surface Management (EASM) vs QuimeraX External Attack Surface Management](https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-quimerax-external-attack-surface-management)
- [Outpost24 CyberFlex vs Outpost24 External Attack Surface Management](https://cybersectools.com/compare/outpost24-cyberflex-vs-outpost24-external-attack-surface-management)
- [Outpost24 CyberFlex vs Halo Security Attack Surface Management](https://cybersectools.com/compare/halo-security-attack-surface-management-vs-outpost24-cyberflex)
- [Outpost24 CyberFlex vs QuimeraX External Attack Surface Management](https://cybersectools.com/compare/outpost24-cyberflex-vs-quimerax-external-attack-surface-management)

## Alternatives to each

- [See all NetSPI External Attack Surface Management (EASM) alternatives](https://cybersectools.com/alternatives/netspi-external-attack-surface-management-easm)
- [See all Outpost24 CyberFlex alternatives](https://cybersectools.com/alternatives/outpost24-cyberflex)

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Source: https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-outpost24-cyberflex

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

More on NetSPI External Attack Surface Management (EASM) and Outpost24 CyberFlex: 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
