M365FoundationsCISReport

0.1.1

tests/Test-RestrictExternalSharing.ps1

                                function Test-RestrictExternalSharing {

    [CmdletBinding()]

    param (

        # Define your parameters here

    )

    begin {

        # Initialization code

        $auditResult = [CISAuditResult]::new()

    }

    process {

        # 7.2.3 (L1) Ensure external content sharing is restricted

        $SPOTenantSharingCapability = Get-SPOTenant | Select-Object SharingCapability

        $isRestricted = $SPOTenantSharingCapability.SharingCapability -in @('ExternalUserSharingOnly', 'ExistingExternalUserSharingOnly', 'Disabled')

        # Populate the auditResult object with the required properties

        $auditResult.CISControlVer = "v8"

        $auditResult.CISControl = "3.3"

        $auditResult.CISDescription = "Configure Data Access Control Lists"

        $auditResult.Rec = "7.2.3"

        $auditResult.ELevel = "E3"

        $auditResult.ProfileLevel = "L1"

        $auditResult.IG1 = $true

        $auditResult.IG2 = $true

        $auditResult.IG3 = $true

        $auditResult.RecDescription = "Ensure external content sharing is restricted"

        $auditResult.Result = $isRestricted

        $auditResult.Details = "SharingCapability: $($SPOTenantSharingCapability.SharingCapability)"

        $auditResult.FailureReason = if (-not $isRestricted) { "External content sharing is not adequately restricted. Current setting: $($SPOTenantSharingCapability.SharingCapability)" } else { "N/A" }

        $auditResult.Status = if ($isRestricted) { "Pass" } else { "Fail" }

    }

    end {

        # Return auditResult

        return $auditResult

    }

}