# Intruder Cloud Security vs Nessus Professional: side-by-side comparison (2026)

[Intruder Cloud Security](https://cybersectools.com/tools/intruder-cloud-security) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Intruder](https://cybersectools.com/companies/intruder). [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

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

### Use cases and capabilities

| | Intruder Cloud Security | Nessus Professional |
|---|---|---|
| Cloud Native | Yes | – |
| Misconfiguration | Yes | – |
| Vulnerability | – | Yes |
| Security Scanning | – | Yes |
| CVE | – | Yes |
| Penetration Testing Framework | – | Yes |
| NIST | – | Yes |
| PCI DSS | – | Yes |
| CIS | – | Yes |
| Network Scanning | – | Yes |
| VAPT | – | Yes |

### Core features

**Intruder Cloud Security**

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

**Nessus Professional**

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

### Integrations

**Intruder Cloud Security**

7 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.

- [Intruder Cloud Security](https://cybersectools.com/tools/intruder-cloud-security) 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.

## Intruder Cloud Security vs Nessus Professional FAQ

Common questions when comparing Intruder Cloud Security vs Nessus Professional for vulnerability assessment.

### What is the difference between Intruder Cloud Security and Nessus Professional?

**Intruder Cloud Security**: Cloud security scanning platform for vulnerability and misconfiguration detection. Built by Intruder.

**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 Intruder Cloud Security and Nessus Professional?

**Intruder Cloud Security** is made by Intruder. **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 Intruder Cloud Security a good alternative to Nessus Professional?

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

## Related comparisons

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

## Alternatives to each

- [See all Intruder Cloud Security alternatives](https://cybersectools.com/alternatives/intruder-cloud-security)
- [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional)

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Source: https://cybersectools.com/compare/intruder-cloud-security-vs-nessus-professional

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