# Capture The Bug PTaaS vs Nessus Professional: side-by-side comparison (2026)

[Capture The Bug PTaaS](https://cybersectools.com/tools/capture-the-bug-ptaas) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Capture The Bug](https://cybersectools.com/companies/capture-the-bug). [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). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Capture The Bug PTaaS | Nessus Professional |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Penetration Testing | Vulnerability Assessment |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Capture The Bug | Tenable |
| Headquarters | – | – |

### Use cases and capabilities

| | Capture The Bug PTaaS | Nessus Professional |
|---|---|---|
| Penetration Testing Framework | Yes | Yes |
| Continuous Testing | Yes | – |
| VAPT | Yes | Yes |
| Web Security | Yes | – |
| Cloud Native | Yes | – |
| GDPR | Yes | – |
| OWASP | Yes | – |
| Security Reporting | Yes | – |
| Security Compliance Training | Yes | – |
| Vulnerability | – | Yes |
| Security Scanning | – | Yes |
| CVE | – | Yes |
| NIST | – | Yes |
| PCI DSS | – | Yes |
| CIS | – | Yes |
| Network Scanning | – | Yes |

### Core features

**Capture The Bug PTaaS**

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

**Nessus Professional**

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

### Integrations

**Capture The Bug PTaaS**

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

**Nessus Professional**

No integrations listed.

## Which one fits you

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

- [Capture The Bug PTaaS](https://cybersectools.com/tools/capture-the-bug-ptaas) fits if you want a cloud product.
- [Nessus Professional](https://cybersectools.com/tools/nessus-professional) fits if you need to run it on your own servers.

## Capture The Bug PTaaS vs Nessus Professional FAQ

Common questions when comparing Capture The Bug PTaaS vs Nessus Professional for penetration testing.

### What is the difference between Capture The Bug PTaaS and Nessus Professional?

**Capture The Bug PTaaS**: CREST-certified PTaaS platform for continuous web, API, and cloud pentesting. Built by Capture The Bug.

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

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

### Who makes Capture The Bug PTaaS and Nessus Professional?

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

### Is Capture The Bug PTaaS a good alternative to Nessus Professional?

In part. Capture The Bug PTaaS and Nessus Professional are not in the same category on CybersecTools. Both cover Penetration Testing Framework, VAPT. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Capture The Bug PTaaS vs HackerHub8 VAPT](https://cybersectools.com/compare/capture-the-bug-ptaas-vs-hackerhub8-vapt)
- [Capture The Bug PTaaS vs Strike Human-Led Pentesting](https://cybersectools.com/compare/capture-the-bug-ptaas-vs-strike-human-led-pentesting)
- [Capture The Bug PTaaS vs PentestGenix](https://cybersectools.com/compare/capture-the-bug-ptaas-vs-pentestgenix)
- [Nessus Professional vs HackerHub8 VAPT](https://cybersectools.com/compare/hackerhub8-vapt-vs-nessus-professional)
- [Nessus Professional vs Strike Human-Led Pentesting](https://cybersectools.com/compare/nessus-professional-vs-strike-human-led-pentesting)
- [Nessus Professional vs PentestGenix](https://cybersectools.com/compare/nessus-professional-vs-pentestgenix)

## Alternatives to each

- [See all Capture The Bug PTaaS alternatives](https://cybersectools.com/alternatives/capture-the-bug-ptaas)
- [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional)

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Source: https://cybersectools.com/compare/capture-the-bug-ptaas-vs-nessus-professional

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

More on Capture The Bug PTaaS and Nessus Professional: 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