83 lines
3.5 KiB
PowerShell
83 lines
3.5 KiB
PowerShell
function Test-ModernAuthExchangeOnline {
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[CmdletBinding()]
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[OutputType([CISAuditResult])]
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param (
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# Aligned
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# Define your parameters here
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)
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begin {
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# Dot source the class script if necessary
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#. .\source\Classes\CISAuditResult.ps1
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# Conditions for 6.5.1 (L1) Ensure modern authentication for Exchange Online is enabled
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#
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# Validate test for a pass:
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# - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
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# - Specific conditions to check:
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# - Condition A: Modern authentication for Exchange Online is enabled.
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# - Condition B: Exchange Online clients use modern authentication to log in to Microsoft 365 mailboxes.
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# - Condition C: Users of older email clients, such as Outlook 2013 and Outlook 2016, are no longer able to authenticate to Exchange using Basic Authentication.
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#
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# Validate test for a fail:
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# - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
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# - Specific conditions to check:
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# - Condition A: Modern authentication for Exchange Online is not enabled.
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# - Condition B: Exchange Online clients do not use modern authentication to log in to Microsoft 365 mailboxes.
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# - Condition C: Users of older email clients, such as Outlook 2013 and Outlook 2016, are still able to authenticate to Exchange using Basic Authentication.
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$recnum = "6.5.1"
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}
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process {
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try {
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# Ensuring the ExchangeOnlineManagement module is available
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# 6.5.1 (L1) Ensure modern authentication for Exchange Online is enabled
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# Check modern authentication setting in Exchange Online configuration (Condition A and B)
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$orgConfig = Get-OrganizationConfig | Select-Object -Property Name, OAuth2ClientProfileEnabled
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# Prepare failure reasons and details based on compliance
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$failureReasons = if (-not $orgConfig.OAuth2ClientProfileEnabled) {
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"Modern authentication is disabled"
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}
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else {
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"N/A"
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}
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# Details include the current setting (Condition A and B)
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$details = "OAuth2ClientProfileEnabled: $($orgConfig.OAuth2ClientProfileEnabled) for Organization: $($orgConfig.Name)"
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# Create and populate the CISAuditResult object
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$params = @{
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Rec = $recnum
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Result = $orgConfig.OAuth2ClientProfileEnabled
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Status = if ($orgConfig.OAuth2ClientProfileEnabled) { "Pass" } else { "Fail" }
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Details = $details
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FailureReason = $failureReasons
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}
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$auditResult = Initialize-CISAuditResult @params
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}
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catch {
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Write-Error "An error occurred during the test: $_"
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# Retrieve the description from the test definitions
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$testDefinition = $script:TestDefinitionsObject | Where-Object { $_.Rec -eq $recnum }
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$description = if ($testDefinition) { $testDefinition.RecDescription } else { "Description not found" }
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$script:FailedTests.Add([PSCustomObject]@{ Rec = $recnum; Description = $description; Error = $_ })
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# Call Initialize-CISAuditResult with error parameters
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$auditResult = Initialize-CISAuditResult -Rec $recnum -Failure
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}
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}
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end {
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# Return the audit result
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return $auditResult
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}
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}
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