public/maester/intune/Test-MtIntuneRbacGroupsProtected.ps1
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function Test-MtIntuneRbacGroupsProtected { <# .Synopsis Checks if Intune RBAC groups are protected by Restricted Management Administrative Units or Role Assignable Groups. .Description This command checks if the security groups assigned in Intune RBAC roles are protected by Restricted Management Administrative Units or Role Assignable Groups. This is important to ensure that only authorized administrators can manage specific devices or users, enhancing the security of your Intune environment. .Example Test-MtIntuneRbacGroupsProtected .LINK https://maester.dev/docs/commands/Test-MtIntuneRbacGroupsProtected #> [CmdletBinding()] [OutputType([bool])] param () if ( ( Get-MtLicenseInformation EntraID ) -eq 'Free' ) { Add-MtTestResultDetail -SkippedBecause NotLicensedEntraIDP1 return $null } if (-not (Get-MtLicenseInformation -Product Intune)) { Add-MtTestResultDetail -SkippedBecause NotLicensedIntune return $null } try { Write-Verbose 'Retrieving Intune RBAC role definitions and assignments...' # Help Desk Operator: 9e0cc482-82df-4ab2-a24c-0c23a3f52e1e $roleDefinitions = Invoke-MtGraphRequest -RelativeUri 'deviceManagement/roleDefinitions' -ApiVersion beta $roleAssignmentsExpanded = foreach ($definition in $roleDefinitions) { $roleAssignments = @(Invoke-MtGraphRequest -RelativeUri "deviceManagement/roleDefinitions/$($definition.id)/roleAssignments" -ApiVersion beta) foreach ($assignment in $roleAssignments.value) { $assignmentDetails = Invoke-MtGraphRequest -RelativeUri "deviceManagement/roleAssignments/$($assignment.id)" -ApiVersion beta foreach ($memberId in $assignmentDetails.members) { try { $groupInfo = Invoke-MtGraphRequest -RelativeUri "groups/$memberId" -Select 'displayName, isManagementRestricted, isAssignableToRole, id' -ApiVersion beta [PSCustomObject]@{ RoleDefinitionName = $definition.displayName GroupId = $memberId GroupDisplayName = $groupInfo.displayName IsManagementRestricted = [bool]$groupInfo.isManagementRestricted IsAssignableToRole = [bool]$groupInfo.isAssignableToRole } } catch { Write-Verbose "Group with id: $memberId not found" } } } } $unprotectedGroups = @($roleAssignmentsExpanded | Where-Object { -not ($_.isManagementRestricted -or $_.isAssignableToRole) } | Select-Object -Unique) $ResultDescription = '' if ($unprotectedGroups.Count -eq 0) { $ResultDescription = 'All security groups with Intune RBAC role assignments are protected.' } else { $ResultDescription = "These security groups with Intune RBAC role assignments are not protected by Restricted Management Administrative Units or Role Assignable groups:`n" $ResultDescription += "| RoleDefinitionName | GroupId | GroupDisplayName | IsManagementRestricted | IsAssignableToRole |`n" $ResultDescription += "| --- | --- | --- | --- | --- |`n" foreach ($group in $unprotectedGroups) { $ResultDescription += "| $($group.RoleDefinitionName) | $($group.GroupId) | $($group.GroupDisplayName) | $($group.IsManagementRestricted) | $($group.IsAssignableToRole) | `n" } } Add-MtTestResultDetail -Result $ResultDescription return $unprotectedGroups.Count -eq 0 } catch { Add-MtTestResultDetail -SkippedBecause Error -SkippedError $_ return $null } } |