# Positive Technologies XSpider PRO vs Semperis Purple Knight: side-by-side comparison (2026)

[Positive Technologies XSpider PRO](https://cybersectools.com/tools/positive-technologies-xspider-pro) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Positive Technologies](https://cybersectools.com/companies/positive-technologies). [Semperis Purple Knight](https://cybersectools.com/tools/semperis-purple-knight) is a free [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Semperis](https://cybersectools.com/companies/semperis). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Positive Technologies XSpider PRO | Semperis Purple Knight |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Vulnerability Assessment | Vulnerability Assessment |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | SMB | Startup, SMB, Mid-Market, Enterprise |
| Company | Positive Technologies | Semperis |
| Headquarters | – | – |

### Use cases and capabilities

| | Positive Technologies XSpider PRO | Semperis Purple Knight |
|---|---|---|
| Vulnerability | Yes | – |
| Scanner | Yes | – |
| Security Scanning | Yes | – |
| CVE | Yes | – |
| OWASP | Yes | – |
| Black Box Testing | Yes | – |
| Web Scanning | Yes | – |
| Network Scanning | Yes | – |
| Vulnerability Prioritization | Yes | – |
| Linux | Yes | – |
| Active Directory | – | Yes |
| Misconfiguration | – | Yes |

### Core features

**Positive Technologies XSpider PRO**

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

**Semperis Purple Knight**

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.

- [Positive Technologies XSpider PRO](https://cybersectools.com/tools/positive-technologies-xspider-pro) fits if you need to run it on your own servers.
- [Semperis Purple Knight](https://cybersectools.com/tools/semperis-purple-knight) fits if you want a cloud product, you are a startup or a mid-market company or an enterprise and you need a free product.

## Positive Technologies XSpider PRO vs Semperis Purple Knight FAQ

Common questions when comparing Positive Technologies XSpider PRO vs Semperis Purple Knight for vulnerability assessment.

### What is the difference between Positive Technologies XSpider PRO and Semperis Purple Knight?

**Positive Technologies XSpider PRO**: Russian vulnerability scanner for SMB infra up to 500 hosts, black/white box. Built by Positive Technologies.

**Semperis Purple Knight**: Free AD, Entra ID, and Okta security assessment tool for vulnerability scanning. Built by Semperis.

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

### Who makes Positive Technologies XSpider PRO and Semperis Purple Knight?

**Positive Technologies XSpider PRO** is made by Positive Technologies. **Semperis Purple Knight** is made by Semperis. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Positive Technologies XSpider PRO a good alternative to Semperis Purple Knight?

Often, yes. Positive Technologies XSpider PRO and Semperis Purple Knight are both Vulnerability Assessment products. Key differences: Positive Technologies XSpider PRO is Commercial while Semperis Purple Knight is Free. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Positive Technologies XSpider PRO vs Webray RayScan](https://cybersectools.com/compare/positive-technologies-xspider-pro-vs-webray-rayscan)
- [Positive Technologies XSpider PRO vs Tripwire IP360](https://cybersectools.com/compare/positive-technologies-xspider-pro-vs-tripwire-ip360)
- [Positive Technologies XSpider PRO vs Zentara AVAS](https://cybersectools.com/compare/positive-technologies-xspider-pro-vs-zentara-avas)
- [Semperis Purple Knight vs Webray RayScan](https://cybersectools.com/compare/semperis-purple-knight-vs-webray-rayscan)
- [Semperis Purple Knight vs Tripwire IP360](https://cybersectools.com/compare/semperis-purple-knight-vs-tripwire-ip360)
- [Semperis Purple Knight vs Zentara AVAS](https://cybersectools.com/compare/semperis-purple-knight-vs-zentara-avas)

## Alternatives to each

- [See all Positive Technologies XSpider PRO alternatives](https://cybersectools.com/alternatives/positive-technologies-xspider-pro)
- [See all Semperis Purple Knight alternatives](https://cybersectools.com/alternatives/semperis-purple-knight)

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Source: https://cybersectools.com/compare/positive-technologies-xspider-pro-vs-semperis-purple-knight

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/positive-technologies-xspider-pro.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Positive Technologies XSpider PRO and Semperis Purple Knight: 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