# Nessus Professional vs ThreatDown Patch Management: 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). [ThreatDown Patch Management](https://cybersectools.com/tools/threatdown-patch-management) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [ThreatDown by Malwarebytes](https://cybersectools.com/companies/threatdown-by-malwarebytes). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Nessus Professional | ThreatDown Patch Management |
|---|---|---|
| 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 | ThreatDown by Malwarebytes |
| Headquarters | – | – |

### Use cases and capabilities

| | Nessus Professional | ThreatDown Patch Management |
|---|---|---|
| Vulnerability | Yes | – |
| Security Scanning | Yes | Yes |
| CVE | Yes | Yes |
| Penetration Testing Framework | Yes | – |
| NIST | Yes | – |
| PCI DSS | Yes | – |
| CIS | Yes | – |
| Network Scanning | Yes | – |
| VAPT | Yes | – |
| Patch Management | – | Yes |

### Core features

**Nessus Professional**

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

**ThreatDown Patch Management**

8 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.
- [ThreatDown Patch Management](https://cybersectools.com/tools/threatdown-patch-management) fits if you want a cloud product.

## Nessus Professional vs ThreatDown Patch Management FAQ

Common questions when comparing Nessus Professional vs ThreatDown Patch Management for vulnerability assessment.

### What is the difference between Nessus Professional and ThreatDown Patch Management?

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

**ThreatDown Patch Management**: Automated patch management software for fixing software vulnerabilities, built by ThreatDown by Malwarebytes.

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

### Who makes Nessus Professional and ThreatDown Patch Management?

**Nessus Professional** is made by Tenable. **ThreatDown Patch Management** is made by ThreatDown by Malwarebytes. 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 ThreatDown Patch Management?

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

## Related comparisons

- [Nessus Professional vs Webray RayScan](https://cybersectools.com/compare/nessus-professional-vs-webray-rayscan)
- [Nessus Professional vs Halo Security Server Scanning](https://cybersectools.com/compare/halo-security-server-scanning-vs-nessus-professional)
- [Nessus Professional vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/nessus-professional-vs-positive-technologies-xspider-pro)
- [ThreatDown Patch Management vs Webray RayScan](https://cybersectools.com/compare/threatdown-patch-management-vs-webray-rayscan)
- [ThreatDown Patch Management vs Halo Security Server Scanning](https://cybersectools.com/compare/halo-security-server-scanning-vs-threatdown-patch-management)
- [ThreatDown Patch Management vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/positive-technologies-xspider-pro-vs-threatdown-patch-management)

## Alternatives to each

- [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional)
- [See all ThreatDown Patch Management alternatives](https://cybersectools.com/alternatives/threatdown-patch-management)

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Source: https://cybersectools.com/compare/nessus-professional-vs-threatdown-patch-management

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 ThreatDown Patch Management: 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