# CyDeploy CyVentory vs SurfaceDiff: side-by-side comparison (2026)

[CyDeploy CyVentory](https://cybersectools.com/tools/cydeploy-cyventory) is a commercial [cyber asset attack surface management](https://cybersectools.com/categories/caasm) solution by [CyDeploy](https://cybersectools.com/companies/cydeploy). [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

| | CyDeploy CyVentory | 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 | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | CyDeploy | SurfaceDiff |
| Headquarters | – | – |

### Use cases and capabilities

| | CyDeploy CyVentory | SurfaceDiff |
|---|---|---|
| Visibility | Yes | Yes |
| Inventory | Yes | – |
| Cyber Insurance | Yes | – |
| DNS Security | – | Yes |
| Port Scanning | – | Yes |
| TLS | – | Yes |
| Subdomain Enumeration | – | Yes |
| Network Scanning | – | Yes |
| Security Scanning | – | Yes |
| Alerting | – | Yes |
| Reconnaissance | – | Yes |
| Web Security | – | Yes |

### Core features

**CyDeploy CyVentory**

5 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.

## CyDeploy CyVentory vs SurfaceDiff FAQ

Common questions when comparing CyDeploy CyVentory vs SurfaceDiff for cyber asset attack surface management.

### What is the difference between CyDeploy CyVentory and SurfaceDiff?

**CyDeploy CyVentory**: Automates asset discovery, visibility, and mapping to reduce attack surface. Built by CyDeploy.

**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 CyDeploy CyVentory and SurfaceDiff?

**CyDeploy CyVentory** is made by CyDeploy. **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 CyDeploy CyVentory a good alternative to SurfaceDiff?

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

## Related comparisons

- [CyDeploy CyVentory vs ApexaiQ](https://cybersectools.com/compare/apexaiq-vs-cydeploy-cyventory)
- [CyDeploy CyVentory vs TrustFour T4 - Detect](https://cybersectools.com/compare/cydeploy-cyventory-vs-trustfour-t4-detect)
- [CyDeploy CyVentory vs FirstWave Open-AudIT](https://cybersectools.com/compare/cydeploy-cyventory-vs-firstwave-open-audit)
- [SurfaceDiff vs ApexaiQ](https://cybersectools.com/compare/apexaiq-vs-surfacediff)
- [SurfaceDiff vs TrustFour T4 - Detect](https://cybersectools.com/compare/surfacediff-vs-trustfour-t4-detect)
- [SurfaceDiff vs FirstWave Open-AudIT](https://cybersectools.com/compare/firstwave-open-audit-vs-surfacediff)

## Alternatives to each

- [See all CyDeploy CyVentory alternatives](https://cybersectools.com/alternatives/cydeploy-cyventory)
- [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff)

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Source: https://cybersectools.com/compare/cydeploy-cyventory-vs-surfacediff

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

More on CyDeploy CyVentory 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