# Nessus Professional vs Vali Cyber ZeroLock: 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). [Vali Cyber ZeroLock](https://cybersectools.com/tools/vali-cyber-zerolock) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [Vali Cyber](https://cybersectools.com/companies/vali-cyber). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Nessus Professional | Vali Cyber ZeroLock |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Vulnerability Assessment | Workload Protection |
| Verified | No | No |
| Deployment type | On-Premises | Hybrid |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Tenable | Vali Cyber |
| Headquarters | – | – |

### Use cases and capabilities

| | Nessus Professional | Vali Cyber ZeroLock |
|---|---|---|
| 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 |
| Kubernetes | – | Yes |
| Linux | – | Yes |

### Core features

**Nessus Professional**

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

**Vali Cyber ZeroLock**

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

### Integrations

**Nessus Professional**

No integrations listed.

**Vali Cyber ZeroLock**

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 a startup or a small business.
- [Vali Cyber ZeroLock](https://cybersectools.com/tools/vali-cyber-zerolock) fits if you need both cloud and on-premises options.

## Nessus Professional vs Vali Cyber ZeroLock FAQ

Common questions when comparing Nessus Professional vs Vali Cyber ZeroLock for vulnerability assessment.

### What is the difference between Nessus Professional and Vali Cyber ZeroLock?

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

**Vali Cyber ZeroLock**: Linux security platform for federal/national security environments. Built by Vali Cyber.

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

### Who makes Nessus Professional and Vali Cyber ZeroLock?

**Nessus Professional** is made by Tenable. **Vali Cyber ZeroLock** is made by Vali Cyber. 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 Vali Cyber ZeroLock?

In part. Nessus Professional and Vali Cyber ZeroLock 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 Mondoo CIS Benchmarks & Security Policies](https://cybersectools.com/compare/mondoo-cis-benchmarks-and-security-policies-vs-nessus-professional)
- [Nessus Professional vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/nessus-professional-vs-positive-technologies-xspider-pro)
- [Nessus Professional vs Webray RayScan](https://cybersectools.com/compare/nessus-professional-vs-webray-rayscan)
- [Vali Cyber ZeroLock vs Mondoo CIS Benchmarks & Security Policies](https://cybersectools.com/compare/mondoo-cis-benchmarks-and-security-policies-vs-vali-cyber-zerolock)
- [Vali Cyber ZeroLock vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/positive-technologies-xspider-pro-vs-vali-cyber-zerolock)
- [Vali Cyber ZeroLock vs Webray RayScan](https://cybersectools.com/compare/vali-cyber-zerolock-vs-webray-rayscan)

## Alternatives to each

- [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional)
- [See all Vali Cyber ZeroLock alternatives](https://cybersectools.com/alternatives/vali-cyber-zerolock)

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Source: https://cybersectools.com/compare/nessus-professional-vs-vali-cyber-zerolock

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 Vali Cyber ZeroLock: 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