# Nessus Professional vs PC Matic Server Security: 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). [PC Matic Server Security](https://cybersectools.com/tools/pc-matic-server-security) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [PC Matic](https://cybersectools.com/companies/pc-matic). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Nessus Professional | PC Matic Server Security |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Vulnerability Assessment | Workload Protection |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Tenable | PC Matic |
| Headquarters | – | – |

### Use cases and capabilities

| | Nessus Professional | PC Matic Server Security |
|---|---|---|
| Vulnerability | Yes | – |
| Security Scanning | Yes | – |
| CVE | Yes | – |
| Penetration Testing Framework | Yes | – |
| NIST | Yes | – |
| PCI DSS | Yes | – |
| CIS | Yes | – |
| Network Scanning | Yes | – |
| VAPT | Yes | – |
| Ransomware Prevention | – | Yes |
| Server | – | Yes |
| Patch Management | – | Yes |
| Windows Security | – | Yes |

### Core features

**Nessus Professional**

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

**PC Matic Server Security**

10 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 are a startup.

## Nessus Professional vs PC Matic Server Security FAQ

Common questions when comparing Nessus Professional vs PC Matic Server Security for vulnerability assessment.

### What is the difference between Nessus Professional and PC Matic Server Security?

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

**PC Matic Server Security**: Zero trust app allowlisting-based server endpoint protection for Windows. Built by PC Matic.

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

### Who makes Nessus Professional and PC Matic Server Security?

**Nessus Professional** is made by Tenable. **PC Matic Server Security** is made by PC Matic. 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 PC Matic Server Security?

In part. Nessus Professional and PC Matic Server Security are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Nessus Professional vs Halo Security Server Scanning](https://cybersectools.com/compare/halo-security-server-scanning-vs-nessus-professional)
- [Nessus Professional vs Webray RayScan](https://cybersectools.com/compare/nessus-professional-vs-webray-rayscan)
- [Nessus Professional vs Zentara AVAS](https://cybersectools.com/compare/nessus-professional-vs-zentara-avas)
- [PC Matic Server Security vs Halo Security Server Scanning](https://cybersectools.com/compare/halo-security-server-scanning-vs-pc-matic-server-security)
- [PC Matic Server Security vs Webray RayScan](https://cybersectools.com/compare/pc-matic-server-security-vs-webray-rayscan)
- [PC Matic Server Security vs Zentara AVAS](https://cybersectools.com/compare/pc-matic-server-security-vs-zentara-avas)

## Alternatives to each

- [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional)
- [See all PC Matic Server Security alternatives](https://cybersectools.com/alternatives/pc-matic-server-security)

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Source: https://cybersectools.com/compare/nessus-professional-vs-pc-matic-server-security

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 PC Matic Server Security: 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