# Halo Security Attack Surface Management vs Shodan: side-by-side comparison (2026)

[Halo Security Attack Surface Management](https://cybersectools.com/tools/halo-security-attack-surface-management) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Halo Security](https://cybersectools.com/companies/halo-security). [Shodan](https://cybersectools.com/tools/shodan) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. 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

| | Halo Security Attack Surface Management | Shodan |
|---|---|---|
| Pricing model | Commercial | Free |
| 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 | Halo Security | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Halo Security Attack Surface Management | Shodan |
|---|---|---|
| Dark Web Monitoring | Yes | – |
| Network Monitoring | – | Yes |

### Core features

**Halo Security Attack Surface Management**

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

**Shodan**

No features listed.

### Integrations

**Halo Security Attack Surface Management**

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

**Shodan**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Shodan](https://cybersectools.com/tools/shodan) fits if you need a free product.

## Halo Security Attack Surface Management vs Shodan FAQ

Common questions when comparing Halo Security Attack Surface Management vs Shodan for external attack surface management.

### What is the difference between Halo Security Attack Surface Management and Shodan?

**Halo Security Attack Surface Management**: External attack surface mgmt platform for discovering & monitoring assets. Built by Halo Security.

**Shodan**: A search engine for the Internet of Things (IoT) that discovers and monitors devices connected to the internet.

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

### Is Halo Security Attack Surface Management a good alternative to Shodan?

Often, yes. Halo Security Attack Surface Management and Shodan are both External Attack Surface Management products. Key differences: Halo Security Attack Surface Management is Commercial while Shodan is Free. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Halo Security Attack Surface Management vs Outpost24 External Attack Surface Management](https://cybersectools.com/compare/halo-security-attack-surface-management-vs-outpost24-external-attack-surface-management)
- [Halo Security Attack Surface Management vs QuimeraX External Attack Surface Management](https://cybersectools.com/compare/halo-security-attack-surface-management-vs-quimerax-external-attack-surface-management)
- [Halo Security Attack Surface Management vs ImmuniWeb® Discovery](https://cybersectools.com/compare/halo-security-attack-surface-management-vs-immuniweb-discovery)
- [Shodan vs Outpost24 External Attack Surface Management](https://cybersectools.com/compare/outpost24-external-attack-surface-management-vs-shodan)
- [Shodan vs QuimeraX External Attack Surface Management](https://cybersectools.com/compare/quimerax-external-attack-surface-management-vs-shodan)
- [Shodan vs ImmuniWeb® Discovery](https://cybersectools.com/compare/immuniweb-discovery-vs-shodan)

## Alternatives to each

- [See all Halo Security Attack Surface Management alternatives](https://cybersectools.com/alternatives/halo-security-attack-surface-management)
- [See all Shodan alternatives](https://cybersectools.com/alternatives/shodan)

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Source: https://cybersectools.com/compare/halo-security-attack-surface-management-vs-shodan

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

More on Halo Security Attack Surface Management and Shodan: 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