# Siemba Continuous Threat Exposure Management vs SurfaceDiff: side-by-side comparison (2026)

[Siemba Continuous Threat Exposure Management](https://cybersectools.com/tools/siemba-continuous-threat-exposure-management) is a commercial [exposure management](https://cybersectools.com/categories/exposure-management) solution by [Siemba](https://cybersectools.com/companies/siemba). [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

| | Siemba Continuous Threat Exposure Management | SurfaceDiff |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Exposure Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Siemba | SurfaceDiff |
| Headquarters | – | – |

### Use cases and capabilities

| | Siemba Continuous Threat Exposure Management | SurfaceDiff |
|---|---|---|
| DAST | Yes | – |
| DNS Security | – | Yes |
| Port Scanning | – | Yes |
| TLS | – | Yes |
| Subdomain Enumeration | – | Yes |
| Network Scanning | – | Yes |
| Security Scanning | – | Yes |
| Alerting | – | Yes |
| Reconnaissance | – | Yes |
| Visibility | – | Yes |
| Web Security | – | Yes |

### Core features

**Siemba Continuous Threat Exposure Management**

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

**SurfaceDiff**

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

### Integrations

**Siemba Continuous Threat Exposure Management**

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

**SurfaceDiff**

No integrations listed.

## 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 or a small business.

## Siemba Continuous Threat Exposure Management vs SurfaceDiff FAQ

Common questions when comparing Siemba Continuous Threat Exposure Management vs SurfaceDiff for exposure management.

### What is the difference between Siemba Continuous Threat Exposure Management and SurfaceDiff?

**Siemba Continuous Threat Exposure Management**: CTEM platform combining pentesting, DAST, and attack surface mapping. Built by Siemba.

**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 Siemba Continuous Threat Exposure Management and SurfaceDiff?

**Siemba Continuous Threat Exposure Management** is made by Siemba. **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 Siemba Continuous Threat Exposure Management a good alternative to SurfaceDiff?

In part. Siemba Continuous Threat Exposure Management and SurfaceDiff are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Siemba Continuous Threat Exposure Management vs S4E CTEM & EASM Platform](https://cybersectools.com/compare/s4e-effortless-cybersecurity-vs-siemba-continuous-threat-exposure-management)
- [Siemba Continuous Threat Exposure Management vs Cybral STORM](https://cybersectools.com/compare/cybral-storm-vs-siemba-continuous-threat-exposure-management)
- [Siemba Continuous Threat Exposure Management vs Surf Platform](https://cybersectools.com/compare/siemba-continuous-threat-exposure-management-vs-surf-platform)
- [SurfaceDiff vs S4E CTEM & EASM Platform](https://cybersectools.com/compare/s4e-effortless-cybersecurity-vs-surfacediff)
- [SurfaceDiff vs Cybral STORM](https://cybersectools.com/compare/cybral-storm-vs-surfacediff)
- [SurfaceDiff vs Surf Platform](https://cybersectools.com/compare/surf-platform-vs-surfacediff)

## Alternatives to each

- [See all Siemba Continuous Threat Exposure Management alternatives](https://cybersectools.com/alternatives/siemba-continuous-threat-exposure-management)
- [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff)

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Source: https://cybersectools.com/compare/siemba-continuous-threat-exposure-management-vs-surfacediff

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More on Siemba Continuous Threat Exposure Management 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