internal/eidsca/Test-MtEidscaAF05.ps1
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<# .SYNOPSIS Checks if Authentication Method - FIDO2 security key - Restricted is set to 'true' .DESCRIPTION You can work with your Security key provider to determine the AAGuids of their devices for allowing or blocking usage. Queries policies/authenticationMethodsPolicy/authenticationMethodConfigurations('Fido2') and returns the result of graph/policies/authenticationMethodsPolicy/authenticationMethodConfigurations('Fido2').keyRestrictions.aaGuids -notcontains $null -eq 'true' .EXAMPLE Test-MtEidscaAF05 Returns the result of graph.microsoft.com/beta/policies/authenticationMethodsPolicy/authenticationMethodConfigurations('Fido2').keyRestrictions.aaGuids -notcontains $null -eq 'true' #> function Test-MtEidscaAF05 { [CmdletBinding()] [OutputType([bool])] param() if ( $EnabledAuthMethods -notcontains 'Fido2' -or (Test-MtEidscaAF04) -eq $false ) { Add-MtTestResultDetail -SkippedBecause 'Custom' -SkippedCustomReason 'Authentication method of FIDO2 security keys is not enabled and key restriction not enforced.' return $null } $result = Invoke-MtGraphRequest -RelativeUri "policies/authenticationMethodsPolicy/authenticationMethodConfigurations('Fido2')" -ApiVersion beta [string]$tenantValue = $result.keyRestrictions.aaGuids -notcontains $null $testResult = $tenantValue -eq 'true' $tenantValueNotSet = ($null -eq $tenantValue -or $tenantValue -eq "") -and 'true' -notlike '*$null*' if($testResult){ $testResultMarkdown = "Well done. The configuration in your tenant and recommended value is **'true'** for **policies/authenticationMethodsPolicy/authenticationMethodConfigurations('Fido2')**" } elseif ($tenantValueNotSet) { $testResultMarkdown = "Your tenant is **not configured explicitly**.`n`nThe recommended value is **'true'** for **policies/authenticationMethodsPolicy/authenticationMethodConfigurations('Fido2')**. It seems that you are using a default value by Microsoft. We recommend to set the setting value explicitly since non set values could change depending on what Microsoft decides the current default should be." } else { $testResultMarkdown = "Your tenant is configured as **$($tenantValue)**.`n`nThe recommended value is **'true'** for **policies/authenticationMethodsPolicy/authenticationMethodConfigurations('Fido2')**" } Add-MtTestResultDetail -Result $testResultMarkdown -Severity 'Low' return $tenantValue } |