Semperis Purple Knight
Risk-based vulnerability management software
Vulnerability management software
- Features
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- Ease of management
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What is Semperis Purple Knight
Semperis Purple Knight is a security assessment tool focused on identifying configuration weaknesses and exposures in Microsoft Active Directory and Entra ID (Azure AD) environments. It is used by identity and security teams to run health checks, prioritize remediation actions, and support hardening and audit readiness for directory services. The product emphasizes directory-specific risk findings and prescriptive guidance rather than broad infrastructure vulnerability scanning.
Active Directory-focused assessments
The tool concentrates on identity infrastructure, especially Active Directory and related identity configurations. This specialization helps teams surface directory-specific misconfigurations and attack paths that general-purpose vulnerability tools may not model well. It aligns well with organizations where AD is a critical control plane for access and privilege management.
Actionable remediation guidance
Findings are presented with recommended corrective actions tailored to identity and directory controls. This can reduce time spent translating technical issues into operational tasks for AD administrators and security engineers. The output supports prioritization by highlighting issues that materially affect identity security posture.
Useful for audits and baselining
Purple Knight can be used to establish a baseline of directory security posture and track improvements over time. This is helpful for periodic internal reviews, M&A integration assessments, and preparation for external audits that scrutinize identity controls. The directory-centric reporting can make it easier to communicate risk to stakeholders responsible for identity governance.
Narrow scope beyond identity
Purple Knight is not designed to replace enterprise vulnerability scanners that cover operating systems, network devices, applications, and cloud workloads broadly. Organizations typically need additional tools to manage CVEs and patch compliance across the wider environment. Its value is highest when identity infrastructure is a primary risk focus.
Risk scoring not enterprise-wide
While it prioritizes directory findings, it does not function as a full risk-based vulnerability management platform that aggregates and normalizes risk across many asset types and data sources. Teams seeking unified risk scoring across endpoints, cloud, applications, and third-party signals may need complementary platforms. Correlation with SIEM/SOAR and asset inventories may require additional integration work depending on the environment.
Microsoft dependency and complexity
The product’s effectiveness depends on the presence and configuration of Microsoft identity services, and results can vary with hybrid AD/Entra ID architectures. Interpreting and remediating findings often requires experienced AD/identity administrators and careful change control. In complex forests or highly regulated environments, remediation may take longer due to operational constraints.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Community (Purple Knight) | Free ($0) | Active Directory, Entra ID, and Okta security assessment; downloadable Community edition (Purple Knight 5.0 Community); identifies 185+ IoEs/IOCs; described on Semperis site as a no-cost AD/Entra ID security assessment tool. |
Seller details
Semperis, Inc.
Hoboken, New Jersey, USA
2014
Private
https://www.semperis.com/
https://x.com/semperis
https://www.linkedin.com/company/semperis/
