Alternatives to Purple Knight
A free Windows tool that assesses Active Directory, Entra ID and Okta for security weaknesses. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Purple Knight
A free Windows tool that assesses Active Directory, Entra ID and Okta for security weaknesses.
Replacements
Listings that take over the same core job as Purple Knight.
ADRecon
A PowerShell script that gathers Active Directory information and builds an Excel report of the environment.
ADRecon is an open source PowerShell script that documents an Active Directory domain in an Excel report, without Purple Knight's Entra ID, Okta coverage or remediation guidance.
SharpHound
A C# collector that gathers Active Directory data for attack path analysis in BloodHound.
SharpHound is an open source collector that maps Active Directory attack paths, but it is only useful together with a BloodHound instance.
Also worth comparing
These listings name Purple Knight as their own alternative, so the relationship runs both ways.
BloodHound Community Edition
Maps attack paths through Active Directory and Entra ID relationships.
Purple Knight assesses AD, Entra ID and Okta against more than 230 indicators with MITRE ATT&CK mapping, but is a closed-source Windows tool without graph-based path analysis.
PingCastle
Active Directory security assessment tool that scores risky configuration.
Purple Knight is free and also closed source, extending the assessment to Entra ID and Okta with more than 230 indicators mapped to MITRE ATT&CK.
Similar software
Related functionality, not a direct replacement.
Specops Password Auditor
A free Windows tool that audits Active Directory passwords for weak, reused and compromised credentials.
AzureHound
A command-line collector that exports Microsoft Azure and Entra ID data for analysis in BloodHound.
Maester
An open-source PowerShell test framework that checks a Microsoft 365 tenant's security configuration.
ADAudit Plus
A Windows auditing tool that tracks changes in Active Directory, file servers, Windows servers and workstations.
Microsoft Security Compliance Toolkit
Microsoft tools and security baselines for analyzing, testing and comparing Windows security configurations.
Netwrix Auditor Community Edition
A free edition of Netwrix Auditor that tracks changes in Active Directory, file servers and Windows.