# Nsauditor Network Security Auditor vs Semperis Purple Knight: side-by-side comparison (2026) [Nsauditor Network Security Auditor](https://cybersectools.com/tools/nsauditor-network-security-auditor) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Nsasoft US LLC](https://cybersectools.com/companies/nsasoft-us-llc). [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 | | Nsauditor Network Security Auditor | Semperis Purple Knight | |---|---|---| | Pricing model | Commercial | Free | | Category | Vulnerability Assessment | Vulnerability Assessment | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | Company | Nsasoft US LLC | Semperis | | Headquarters | – | – | ### Use cases and capabilities | | Nsauditor Network Security Auditor | Semperis Purple Knight | |---|---|---| | Network Scanning | Yes | – | | Vulnerability | Yes | – | | MITRE ATT&CK | Yes | – | | CVE | Yes | – | | Security Audit | Yes | – | | Network Monitoring | Yes | – | | Network Discovery | Yes | – | | Inventory | Yes | – | | Password Recovery | Yes | – | | Windows | Yes | – | | Active Directory | – | Yes | | Misconfiguration | – | Yes | ### Core features **Nsauditor Network Security Auditor** 10 features listed. Sign in on the page to see them. **Semperis Purple Knight** 10 features listed. Sign in on the page to see them. ### Integrations **Nsauditor Network Security Auditor** 8 integrations listed. Sign in on the page to see them. **Semperis Purple Knight** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Nsauditor Network Security Auditor](https://cybersectools.com/tools/nsauditor-network-security-auditor) 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 and you need a free product. ## Nsauditor Network Security Auditor vs Semperis Purple Knight FAQ Common questions when comparing Nsauditor Network Security Auditor vs Semperis Purple Knight for vulnerability assessment. ### What is the difference between Nsauditor Network Security Auditor and Semperis Purple Knight? **Nsauditor Network Security Auditor**: Windows suite for network security auditing, vuln scanning, and IT mgmt. Built by Nsasoft US LLC. **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 Nsauditor Network Security Auditor and Semperis Purple Knight? **Nsauditor Network Security Auditor** is made by Nsasoft US LLC. **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 Nsauditor Network Security Auditor a good alternative to Semperis Purple Knight? Often, yes. Nsauditor Network Security Auditor and Semperis Purple Knight are both Vulnerability Assessment products. Key differences: Nsauditor Network Security Auditor is Commercial while Semperis Purple Knight is Free. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Nsauditor Network Security Auditor vs Webray RayScan](https://cybersectools.com/compare/nsauditor-network-security-auditor-vs-webray-rayscan) - [Nsauditor Network Security Auditor vs Tripwire IP360](https://cybersectools.com/compare/nsauditor-network-security-auditor-vs-tripwire-ip360) - [Nsauditor Network Security Auditor vs Halo Security Server Scanning](https://cybersectools.com/compare/halo-security-server-scanning-vs-nsauditor-network-security-auditor) - [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 Halo Security Server Scanning](https://cybersectools.com/compare/halo-security-server-scanning-vs-semperis-purple-knight) ## Alternatives to each - [See all Nsauditor Network Security Auditor alternatives](https://cybersectools.com/alternatives/nsauditor-network-security-auditor) - [See all Semperis Purple Knight alternatives](https://cybersectools.com/alternatives/semperis-purple-knight) --- Source: https://cybersectools.com/compare/nsauditor-network-security-auditor-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/nsauditor-network-security-auditor.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Nsauditor Network Security Auditor 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