Securing Azure Entra ID: Essential Security Measures for Enterprise
Introduction Securing Azure Entra ID (formerly Azure AD) is crucial for maintaining a robust security posture. This post covers essential security measures and how to implement them effectively. Cleaning Up App Registrations Identifying Unused Applications First, identify app registrations with expired credentials: # Get app registrations with expired secrets/certificates Get-AzureADApplication | Where-Object { $_.PasswordCredentials.EndDate -lt (Get-Date) -or $_.KeyCredentials.EndDate -lt (Get-Date) } Verification Process Check service principal sign-in logs for the last 30 days Disable service principals showing no activity Delete the corresponding app registration Implementing MFA Requirements Assessing MFA Status Navigate to Authentication Methods > User Registration Details to identify users without MFA: ...