# Nessus Professional vs RoboShadow: 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). [RoboShadow](https://cybersectools.com/tools/roboshadow) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [RoboShadow](https://cybersectools.com/companies/roboshadow). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Nessus Professional | RoboShadow |
|---|---|---|
| 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 | Startup, SMB |
| Company | Tenable | RoboShadow |
| Headquarters | – | – |

### Use cases and capabilities

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

### Core features

**Nessus Professional**

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

**RoboShadow**

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

### Integrations

**Nessus Professional**

No integrations listed.

**RoboShadow**

7 integrations 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 mid-market company or an enterprise.
- [RoboShadow](https://cybersectools.com/tools/roboshadow) fits if you want a cloud product.

## Nessus Professional vs RoboShadow FAQ

Common questions when comparing Nessus Professional vs RoboShadow for vulnerability assessment.

### What is the difference between Nessus Professional and RoboShadow?

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

**RoboShadow**: Automated vulnerability assessment and remediation platform. Built by RoboShadow.

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

### Who makes Nessus Professional and RoboShadow?

**Nessus Professional** is made by Tenable. **RoboShadow** is made by RoboShadow. 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 RoboShadow?

Often, yes. Nessus Professional and RoboShadow are both Vulnerability Assessment products, and both cover Network Scanning. 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)
- [RoboShadow vs Halo Security Server Scanning](https://cybersectools.com/compare/halo-security-server-scanning-vs-roboshadow)
- [RoboShadow vs Webray RayScan](https://cybersectools.com/compare/roboshadow-vs-webray-rayscan)
- [RoboShadow vs Zentara AVAS](https://cybersectools.com/compare/roboshadow-vs-zentara-avas)

## Alternatives to each

- [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional)
- [See all RoboShadow alternatives](https://cybersectools.com/alternatives/roboshadow)

---

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

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 RoboShadow: 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