# Nessus Professional vs Websecurify: 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). [Websecurify](https://cybersectools.com/tools/websecurify) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Websecurify](https://cybersectools.com/companies/websecurify). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

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

### Use cases and capabilities

| | Nessus Professional | Websecurify |
|---|---|---|
| Vulnerability | Yes | – |
| Security Scanning | Yes | Yes |
| CVE | Yes | – |
| Penetration Testing Framework | Yes | – |
| NIST | Yes | – |
| PCI DSS | Yes | – |
| CIS | Yes | – |
| Network Scanning | Yes | – |
| VAPT | Yes | – |
| Web Security | – | Yes |
| Open Source | – | Yes |
| DevSecOps | – | Yes |
| CI/CD | – | Yes |
| Security Tools | – | Yes |
| Node.js | – | Yes |
| npm | – | Yes |
| Exploitation Framework | – | Yes |
| App Security | – | Yes |

### Core features

**Nessus Professional**

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

**Websecurify**

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

### Integrations

**Nessus Professional**

No integrations listed.

**Websecurify**

2 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 an enterprise.
- [Websecurify](https://cybersectools.com/tools/websecurify) fits if you need both cloud and on-premises options.

## Nessus Professional vs Websecurify FAQ

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

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

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

**Websecurify**: Suite of web security tools, platforms, and open-source frameworks. Built by Websecurify.

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

### Who makes Nessus Professional and Websecurify?

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

In part. Nessus Professional and Websecurify are not in the same category on CybersecTools. Both cover 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 Konvu Contextual Vulnerability Management](https://cybersectools.com/compare/konvu-contextual-vulnerability-management-vs-nessus-professional)
- [Nessus Professional vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/nessus-professional-vs-positive-technologies-xspider-pro)
- [Websecurify vs Webray RayScan](https://cybersectools.com/compare/webray-rayscan-vs-websecurify)
- [Websecurify vs Konvu Contextual Vulnerability Management](https://cybersectools.com/compare/konvu-contextual-vulnerability-management-vs-websecurify)
- [Websecurify vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/positive-technologies-xspider-pro-vs-websecurify)

## Alternatives to each

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

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

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 Websecurify: 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