# Nessus Professional vs v6Protect CTEM: side-by-side comparison (2026)

[Nessus Professional](https://cybersectools.com/tools/nessus-professional) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Tenable](https://cybersectools.com/companies/tenable). [v6Protect CTEM](https://cybersectools.com/tools/v6protect-ctem) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [v6Protect](https://cybersectools.com/companies/v6protect). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Nessus Professional | v6Protect CTEM |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Vulnerability Assessment | Vulnerability Assessment |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Tenable | v6Protect |
| Headquarters | – | – |

### Use cases and capabilities

| | Nessus Professional | v6Protect CTEM |
|---|---|---|
| Vulnerability | Yes | Yes |
| Security Scanning | Yes | Yes |
| CVE | Yes | – |
| Penetration Testing Framework | Yes | – |
| NIST | Yes | – |
| PCI DSS | Yes | – |
| CIS | Yes | – |
| Network Scanning | Yes | – |
| VAPT | Yes | – |
| Vulnerability Prioritization | – | Yes |
| App Security | – | Yes |
| Web Security | – | Yes |
| Attack Paths | – | Yes |
| Case Management | – | Yes |
| Workflow | – | Yes |

### Core features

**Nessus Professional**

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

**v6Protect CTEM**

7 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.

- [Nessus Professional](https://cybersectools.com/tools/nessus-professional) fits if you need to run it on your own servers and you are a startup.
- [v6Protect CTEM](https://cybersectools.com/tools/v6protect-ctem) fits if you want a cloud product.

## Nessus Professional vs v6Protect CTEM FAQ

Common questions when comparing Nessus Professional vs v6Protect CTEM for vulnerability assessment.

### What is the difference between Nessus Professional and v6Protect CTEM?

**Nessus Professional**: Vulnerability scanner for assessing networks, systems, and apps for security flaws, built by Tenable.

**v6Protect CTEM**: Built by v6Protect.

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

### Who makes Nessus Professional and v6Protect CTEM?

**Nessus Professional** is made by Tenable. **v6Protect CTEM** is made by v6Protect. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Nessus Professional a good alternative to v6Protect CTEM?

Often, yes. Nessus Professional and v6Protect CTEM are both Vulnerability Assessment products, and both cover Vulnerability, Security Scanning. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Nessus Professional vs Tripwire IP360](https://cybersectools.com/compare/nessus-professional-vs-tripwire-ip360)
- [Nessus Professional vs Zentara AVAS](https://cybersectools.com/compare/nessus-professional-vs-zentara-avas)
- [Nessus Professional vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/nessus-professional-vs-positive-technologies-xspider-pro)
- [v6Protect CTEM vs Tripwire IP360](https://cybersectools.com/compare/tripwire-ip360-vs-v6protect-ctem)
- [v6Protect CTEM vs Zentara AVAS](https://cybersectools.com/compare/v6protect-ctem-vs-zentara-avas)
- [v6Protect CTEM vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/positive-technologies-xspider-pro-vs-v6protect-ctem)

## Alternatives to each

- [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional)
- [See all v6Protect CTEM alternatives](https://cybersectools.com/alternatives/v6protect-ctem)

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Source: https://cybersectools.com/compare/nessus-professional-vs-v6protect-ctem

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

More on Nessus Professional and v6Protect CTEM: 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