# Action1 Windows Patch Management vs Semperis Purple Knight: side-by-side comparison (2026) [Action1 Windows Patch Management](https://cybersectools.com/tools/action1-windows-patch-management) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Action1](https://cybersectools.com/companies/action1). [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 | | Action1 Windows Patch Management | Semperis Purple Knight | |---|---|---| | Pricing model | Commercial | Free | | Category | Vulnerability Assessment | Vulnerability Assessment | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | Company | Action1 | Semperis | | Headquarters | – | – | ### Use cases and capabilities | | Action1 Windows Patch Management | Semperis Purple Knight | |---|---|---| | Patch Management | Yes | – | | Windows | Yes | – | | Linux | Yes | – | | Active Directory | – | Yes | | Misconfiguration | – | Yes | ### Core features **Action1 Windows Patch Management** 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 **Action1 Windows Patch Management** 1 integration 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. - [Semperis Purple Knight](https://cybersectools.com/tools/semperis-purple-knight) fits if you need a free product. ## Action1 Windows Patch Management vs Semperis Purple Knight FAQ Common questions when comparing Action1 Windows Patch Management vs Semperis Purple Knight for vulnerability assessment. ### What is the difference between Action1 Windows Patch Management and Semperis Purple Knight? **Action1 Windows Patch Management**: Cloud-based patch management for Windows, macOS, and Linux endpoints. Built by Action1. **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 Action1 Windows Patch Management and Semperis Purple Knight? **Action1 Windows Patch Management** is made by Action1. **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 Action1 Windows Patch Management a good alternative to Semperis Purple Knight? Often, yes. Action1 Windows Patch Management and Semperis Purple Knight are both Vulnerability Assessment products. Key differences: Action1 Windows Patch Management is Commercial while Semperis Purple Knight is Free. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Action1 Windows Patch Management vs Qingteng Wanxiang (Host Adaptive Security Platform)](https://cybersectools.com/compare/action1-windows-patch-management-vs-qingteng-wanxiang-host-adaptive-security-platform) - [Action1 Windows Patch Management vs Labrador Server Care](https://cybersectools.com/compare/action1-windows-patch-management-vs-labrador-server-care) - [Action1 Windows Patch Management vs Halo Security Server Scanning](https://cybersectools.com/compare/action1-windows-patch-management-vs-halo-security-server-scanning) - [Semperis Purple Knight vs Qingteng Wanxiang (Host Adaptive Security Platform)](https://cybersectools.com/compare/qingteng-wanxiang-host-adaptive-security-platform-vs-semperis-purple-knight) - [Semperis Purple Knight vs Labrador Server Care](https://cybersectools.com/compare/labrador-server-care-vs-semperis-purple-knight) - [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 Action1 Windows Patch Management alternatives](https://cybersectools.com/alternatives/action1-windows-patch-management) - [See all Semperis Purple Knight alternatives](https://cybersectools.com/alternatives/semperis-purple-knight) --- Source: https://cybersectools.com/compare/action1-windows-patch-management-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/action1-windows-patch-management.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Action1 Windows Patch Management 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