docs: Comment conditions on each test

source/helper/TestDefinitions.csv

@@ -28,14 +28,14 @@
 27,Test-MailTipsEnabled.ps1,6.5.2,Ensure MailTips are enabled for end users,E3,L2,0,Explicitly Not Mapped,FALSE,FALSE,FALSE,TRUE,EXO
 28,Test-RestrictStorageProvidersOutlook.ps1,6.5.3,Ensure additional storage providers are restricted in Outlook on the web,E3,L2,3.3,Configure Data Access Control Lists,TRUE,TRUE,TRUE,TRUE,EXO
 29,Test-ModernAuthSharePoint.ps1,7.2.1,Modern Authentication for SharePoint Applications,E3,L1,3.1,Encrypt Sensitive Data in Transit,FALSE,TRUE,TRUE,TRUE,SPO
-30,Test-SharePointAADB2B.ps1,7.2.2,Ensure reauthentication with verification code is restricted,E3,L1,0,Explicitly Not Mapped,FALSE,FALSE,FALSE,TRUE,SPO
+30,Test-SharePointAADB2B.ps1,7.2.2,Ensure SharePoint and OneDrive integration with Azure AD B2B is enabled,E3,L1,0,Explicitly Not Mapped,FALSE,FALSE,FALSE,TRUE,SPO
-31,Test-RestrictExternalSharing.ps1,7.2.3,Ensure SharePoint and OneDrive integration with Azure AD B2B is enabled,E3,L1,0,Explicitly Not Mapped,TRUE,TRUE,TRUE,TRUE,SPO
+31,Test-RestrictExternalSharing.ps1,7.2.3,Ensure external content sharing is restricted,E3,L1,3.3,Configure Data Access Control Lists,TRUE,TRUE,TRUE,TRUE,SPO
-32,Test-OneDriveContentRestrictions.ps1,7.2.4,Ensure external content sharing is restricted,E3,L2,3.3,Configure Data Access Control Lists,TRUE,TRUE,TRUE,TRUE,SPO
+32,Test-OneDriveContentRestrictions.ps1,7.2.4,Ensure OneDrive content sharing is restricted,E3,L2,3.3,Configure Data Access Control Lists,TRUE,TRUE,TRUE,TRUE,SPO
-33,Test-SharePointGuestsItemSharing.ps1,7.2.5,Ensure OneDrive content sharing is restricted,E3,L2,3.3,Configure Data Access Control Lists,TRUE,TRUE,TRUE,TRUE,SPO
+33,Test-SharePointGuestsItemSharing.ps1,7.2.5,Ensure that SharePoint guest users cannot share items they don't own,E3,L2,3.3,Configure Data Access Control Lists,TRUE,TRUE,TRUE,TRUE,SPO
-34,Test-SharePointExternalSharingDomains.ps1,7.2.6,Ensure that SharePoint guest users cannot share items they don't own,E3,L2,3.3,Configure Data Access Control Lists,TRUE,TRUE,TRUE,TRUE,SPO
+34,Test-SharePointExternalSharingDomains.ps1,7.2.6,Ensure SharePoint external sharing is managed through domain whitelist/blacklists,E3,L2,3.3,Configure Data Access Control Lists,TRUE,TRUE,TRUE,TRUE,SPO
-35,Test-LinkSharingRestrictions.ps1,7.2.7,Ensure SharePoint external sharing is managed through domain whitelist/blacklists,E3,L1,3.3,Configure Data Access Control Lists,TRUE,TRUE,TRUE,TRUE,SPO
+35,Test-LinkSharingRestrictions.ps1,7.2.7,Ensure link sharing is restricted in SharePoint and OneDrive,E3,L1,3.3,Configure Data Access Control Lists,TRUE,TRUE,TRUE,TRUE,SPO
-36,Test-GuestAccessExpiration.ps1,7.2.9,Ensure link sharing is restricted in SharePoint and OneDrive,E3,L1,3.3,Configure Data Access Control Lists,FALSE,FALSE,FALSE,TRUE,SPO
+36,Test-GuestAccessExpiration.ps1,7.2.9,Ensure guest access to a site or OneDrive will expire automatically,E3,L1,0,Explicitly Not Mapped,FALSE,FALSE,FALSE,TRUE,SPO
-37,Test-ReauthWithCode.ps1,7.2.10,Ensure guest access to a site or OneDrive will expire automatically,E3,L1,0,Explicitly Not Mapped,FALSE,FALSE,FALSE,TRUE,SPO
+37,Test-ReauthWithCode.ps1,7.2.10,Ensure reauthentication with verification code is restricted,E3,L1,0,Explicitly Not Mapped,FALSE,FALSE,FALSE,TRUE,SPO
 38,Test-DisallowInfectedFilesDownload.ps1,7.3.1,Ensure Office 365 SharePoint infected files are disallowed for download,E5,L2,10.1,Deploy and Maintain Anti-Malware Software,TRUE,TRUE,TRUE,TRUE,SPO
 39,Test-OneDriveSyncRestrictions.ps1,7.3.2,Ensure OneDrive sync is restricted for unmanaged devices,E3,L2,0,Explicitly Not Mapped,FALSE,FALSE,FALSE,TRUE,SPO
 40,Test-RestrictCustomScripts.ps1,7.3.4,Ensure custom script execution is restricted on site collections,E3,L1,2.7,Allowlist Authorized Scripts,FALSE,FALSE,TRUE,TRUE,SPO

source/tests/Test-BlockChannelEmails.ps1

@@ -17,6 +17,20 @@ function Test-BlockChannelEmails {
 
         try {
             # 8.1.2 (L1) Ensure users can't send emails to a channel email address
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: The `AllowEmailIntoChannel` setting in Teams is set to `False`.
+            #   - Condition B: The setting `Users can send emails to a channel email address` is set to `Off` in the Teams admin center.
+            #   - Condition C: Verification using PowerShell confirms that the `AllowEmailIntoChannel` setting is disabled.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: The `AllowEmailIntoChannel` setting in Teams is not set to `False`.
+            #   - Condition B: The setting `Users can send emails to a channel email address` is not set to `Off` in the Teams admin center.
+            #   - Condition C: Verification using PowerShell indicates that the `AllowEmailIntoChannel` setting is enabled.
 
             # Retrieve Teams client configuration
             $teamsClientConfig = Get-CsTeamsClientConfiguration -Identity Global
@@ -24,17 +38,17 @@ function Test-BlockChannelEmails {
 
             # Prepare failure reasons and details based on compliance
             $failureReasons = if ($allowEmailIntoChannel) {
-            "Emails can be sent to a channel email address"
+                "Emails can be sent to a channel email address" # Condition A Fail: AllowEmailIntoChannel is True
             }
             else {
-            "N/A"
+                "N/A" # Condition A Pass: AllowEmailIntoChannel is False
             }
 
             $details = if ($allowEmailIntoChannel) {
-            "AllowEmailIntoChannel is set to True"
+                "AllowEmailIntoChannel is set to True" # Condition B Fail: Emails are allowed
             }
             else {
-            "AllowEmailIntoChannel is set to False"
+                "AllowEmailIntoChannel is set to False" # Condition B Pass: Emails are blocked
             }
 
             # Create and populate the CISAuditResult object

source/tests/Test-DialInBypassLobby.ps1

@@ -17,6 +17,20 @@ function Test-DialInBypassLobby {
 
         try {
             # 8.5.4 (L1) Ensure users dialing in can't bypass the lobby
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: The `AllowPSTNUsersToBypassLobby` setting in the Global Teams meeting policy is set to `False`.
+            #   - Condition B: Verification using the UI in the Microsoft Teams admin center confirms that "People dialing in can't bypass the lobby" is set to `Off`.
+            #   - Condition C: Ensure that individuals who dial in by phone must wait in the lobby until admitted by a meeting organizer, co-organizer, or presenter.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: The `AllowPSTNUsersToBypassLobby` setting in the Global Teams meeting policy is not set to `False`.
+            #   - Condition B: Verification using the UI in the Microsoft Teams admin center shows that "People dialing in can't bypass the lobby" is not set to `Off`.
+            #   - Condition C: Individuals who dial in by phone are able to join the meeting directly without waiting in the lobby.
 
             # Retrieve Teams meeting policy for PSTN users
             $CsTeamsMeetingPolicyPSTN = Get-CsTeamsMeetingPolicy -Identity Global | Select-Object -Property AllowPSTNUsersToBypassLobby

source/tests/Test-DisallowInfectedFilesDownload.ps1

@@ -18,24 +18,40 @@ function Test-DisallowInfectedFilesDownload {
 
         try {
             # 7.3.1 (L2) Ensure Office 365 SharePoint infected files are disallowed for download
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: The `DisallowInfectedFileDownload` setting is set to `True`.
+            #   - Condition B: The setting prevents users from downloading infected files as detected by Defender for Office 365.
+            #   - Condition C: Verification using the PowerShell command confirms that the setting is correctly configured.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: The `DisallowInfectedFileDownload` setting is not set to `True`.
+            #   - Condition B: The setting does not prevent users from downloading infected files.
+            #   - Condition C: Verification using the PowerShell command indicates that the setting is incorrectly configured.
 
             # Retrieve the SharePoint tenant configuration
             $SPOTenantDisallowInfectedFileDownload = Get-SPOTenant | Select-Object DisallowInfectedFileDownload
+
+            # Condition A: The `DisallowInfectedFileDownload` setting is set to `True`
             $isDisallowInfectedFileDownloadEnabled = $SPOTenantDisallowInfectedFileDownload.DisallowInfectedFileDownload
 
             # Prepare failure reasons and details based on compliance
             $failureReasons = if (-not $isDisallowInfectedFileDownloadEnabled) {
-                "Downloading infected files is not disallowed."
+                "Downloading infected files is not disallowed."  # Condition B: The setting does not prevent users from downloading infected files
             }
             else {
                 "N/A"
             }
 
             $details = if ($isDisallowInfectedFileDownloadEnabled) {
-                "DisallowInfectedFileDownload: True"
+                "DisallowInfectedFileDownload: True"  # Condition C: Verification confirms the setting is correctly configured
             }
             else {
-                "DisallowInfectedFileDownload: False"
+                "DisallowInfectedFileDownload: False"  # Condition C: Verification indicates the setting is incorrectly configured
             }
 
             # Create and populate the CISAuditResult object

source/tests/Test-GuestAccessExpiration.ps1

@@ -18,6 +18,20 @@ function Test-GuestAccessExpiration {
 
         try {
             # 7.2.9 (L1) Ensure guest access to a site or OneDrive will expire automatically
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: The ExternalUserExpirationRequired setting in SharePoint is set to True.
+            #   - Condition B: The ExternalUserExpireInDays setting in SharePoint is configured to 30 or less.
+            #   - Condition C: Verification using the SharePoint Admin Center confirms that guest access will expire automatically after the specified number of days.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: The ExternalUserExpirationRequired setting in SharePoint is not set to True.
+            #   - Condition B: The ExternalUserExpireInDays setting in SharePoint is configured to more than 30 days.
+            #   - Condition C: Verification using the SharePoint Admin Center indicates that guest access is not set to expire automatically after the specified number of days.
 
             # Retrieve SharePoint tenant settings related to guest access expiration
             $SPOTenantGuestAccess = Get-SPOTenant | Select-Object ExternalUserExpirationRequired, ExternalUserExpireInDays

source/tests/Test-LinkSharingRestrictions.ps1

@@ -17,6 +17,20 @@ function Test-LinkSharingRestrictions {
     process {
         try {
             # 7.2.7 (L1) Ensure link sharing is restricted in SharePoint and OneDrive
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: The `DefaultSharingLinkType` setting in SharePoint and OneDrive is set to `Direct`.
+            #   - Condition B: The setting `Choose the type of link that's selected by default when users share files and folders in SharePoint and OneDrive` is set to `Specific people (only the people the user specifies)`.
+            #   - Condition C: Verification using the UI confirms that the link sharing settings are configured as recommended.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: The `DefaultSharingLinkType` setting in SharePoint and OneDrive is not set to `Direct`.
+            #   - Condition B: The setting `Choose the type of link that's selected by default when users share files and folders in SharePoint and OneDrive` is not set to `Specific people (only the people the user specifies)`.
+            #   - Condition C: Verification using the UI indicates that the link sharing settings are not configured as recommended.
 
             # Retrieve link sharing configuration for SharePoint and OneDrive
             $SPOTenantLinkSharing = Get-SPOTenant | Select-Object DefaultSharingLinkType

source/tests/Test-ModernAuthSharePoint.ps1

@@ -9,8 +9,25 @@ function Test-ModernAuthSharePoint {
     begin {
         # Dot source the class script if necessary
         #. .\source\Classes\CISAuditResult.ps1
+
         # Initialization code, if needed
         $recnum = "7.2.1"
+
+        <#
+        # Conditions for 7.2.1 (L1) Ensure modern authentication for SharePoint applications is required
+
+        ## Validate test for a pass:
+        # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+        # - Specific conditions to check:
+        #   - Condition A: The setting "Apps that don't use modern authentication" is set to "Block access" in the SharePoint admin center.
+        #   - Condition B: The PowerShell command `Get-SPOTenant | ft LegacyAuthProtocolsEnabled` returns `False`.
+
+        ## Validate test for a fail:
+        # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+        # - Specific conditions to check:
+        #   - Condition A: The setting "Apps that don't use modern authentication" is not set to "Block access" in the SharePoint admin center.
+        #   - Condition B: The PowerShell command `Get-SPOTenant | ft LegacyAuthProtocolsEnabled` returns `True`.
+        #>
     }
 
     process {
@@ -21,13 +38,13 @@ function Test-ModernAuthSharePoint {
 
             # Prepare failure reasons and details based on compliance
             $failureReasons = if (-not $modernAuthForSPRequired) {
-                "Legacy authentication protocols are enabled"
+                "Legacy authentication protocols are enabled" # Fail Condition B
             }
             else {
                 "N/A"
             }
 
-            $details = "LegacyAuthProtocolsEnabled: $($SPOTenant.LegacyAuthProtocolsEnabled)"
+            $details = "LegacyAuthProtocolsEnabled: $($SPOTenant.LegacyAuthProtocolsEnabled)" # Details for Condition B
 
             # Create and populate the CISAuditResult object
             $params = @{

source/tests/Test-NoAnonymousMeetingJoin.ps1

@@ -16,6 +16,20 @@ function Test-NoAnonymousMeetingJoin {
     process {
         try {
             # 8.5.1 (L2) Ensure anonymous users can't join a meeting
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: `AllowAnonymousUsersToJoinMeeting` is set to `False`.
+            #   - Condition B: Verification using the UI confirms that `Anonymous users can join a meeting` is set to `Off` in the Global meeting policy.
+            #   - Condition C: PowerShell command output indicates that anonymous users are not allowed to join meetings.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: `AllowAnonymousUsersToJoinMeeting` is not set to `False`.
+            #   - Condition B: Verification using the UI shows that `Anonymous users can join a meeting` is not set to `Off` in the Global meeting policy.
+            #   - Condition C: PowerShell command output indicates that anonymous users are allowed to join meetings.
 
             # Connect to Teams PowerShell using Connect-MicrosoftTeams
 

source/tests/Test-NoAnonymousMeetingStart.ps1

@@ -16,9 +16,24 @@ function Test-NoAnonymousMeetingStart {
     process {
         try {
             # 8.5.2 (L1) Ensure anonymous users and dial-in callers can't start a meeting
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: The `AllowAnonymousUsersToStartMeeting` setting in the Teams admin center is set to `False`.
+            #   - Condition B: The setting for anonymous users and dial-in callers starting a meeting is configured to ensure they must wait in the lobby.
+            #   - Condition C: Verification using the UI confirms that the setting `Anonymous users and dial-in callers can start a meeting` is set to `Off`.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: The `AllowAnonymousUsersToStartMeeting` setting in the Teams admin center is not set to `False`.
+            #   - Condition B: The setting for anonymous users and dial-in callers starting a meeting allows them to bypass the lobby.
+            #   - Condition C: Verification using the UI indicates that the setting `Anonymous users and dial-in callers can start a meeting` is not set to `Off`.
 
             # Connect to Teams PowerShell using Connect-MicrosoftTeams
 
+            # Retrieve the Teams meeting policy for the global scope and check if anonymous users can start meetings
             $CsTeamsMeetingPolicyAnonymous = Get-CsTeamsMeetingPolicy -Identity Global | Select-Object -Property AllowAnonymousUsersToStartMeeting
             $anonymousStartDisabled = -not $CsTeamsMeetingPolicyAnonymous.AllowAnonymousUsersToStartMeeting
 
@@ -27,10 +42,10 @@ function Test-NoAnonymousMeetingStart {
                 "N/A"
             }
             else {
-                "Anonymous users and dial-in callers can start a meeting"
+                "Anonymous users and dial-in callers can start a meeting" # Condition A and B
             }
 
-            $details = "AllowAnonymousUsersToStartMeeting is set to $($CsTeamsMeetingPolicyAnonymous.AllowAnonymousUsersToStartMeeting)"
+            $details = "AllowAnonymousUsersToStartMeeting is set to $($CsTeamsMeetingPolicyAnonymous.AllowAnonymousUsersToStartMeeting)" # Condition C
 
             # Create and populate the CISAuditResult object
             $params = @{

source/tests/Test-OneDriveContentRestrictions.ps1

@@ -7,6 +7,22 @@ function Test-OneDriveContentRestrictions {
     )
 
     begin {
+        # 7.2.4 (L2) Ensure OneDrive content sharing is restricted
+        #
+        # Validate test for a pass:
+        # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+        # - Specific conditions to check:
+        #   - Condition A: The OneDriveSharingCapability setting is configured to "Disabled" using the PowerShell cmdlet `Get-SPOTenant | fl OneDriveSharingCapability`.
+        #   - Condition B: The OneDriveSharingCapability is set to "Only people in your organization" in the SharePoint admin center under Policies > Sharing > OneDrive.
+        #   - Condition C: OneDrive content sharing is not more permissive than SharePoint content sharing.
+        #
+        # Validate test for a fail:
+        # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+        # - Specific conditions to check:
+        #   - Condition A: The OneDriveSharingCapability setting is not configured to "Disabled" using the PowerShell cmdlet `Get-SPOTenant | fl OneDriveSharingCapability`.
+        #   - Condition B: The OneDriveSharingCapability is not set to "Only people in your organization" in the SharePoint admin center under Policies > Sharing > OneDrive.
+        #   - Condition C: OneDrive content sharing is more permissive than SharePoint content sharing.
+
         # Dot source the class script if necessary
         #. .\source\Classes\CISAuditResult.ps1
         # Initialization code, if needed

source/tests/Test-OneDriveSyncRestrictions.ps1

@@ -16,12 +16,27 @@ function Test-OneDriveSyncRestrictions {
     process {
         try {
             # 7.3.2 (L2) Ensure OneDrive sync is restricted for unmanaged devices
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: Verify that "Allow syncing only on computers joined to specific domains" is enabled.
+            #   - Condition B: Check that "TenantRestrictionEnabled" is set to True.
+            #   - Condition C: Ensure that "AllowedDomainList" contains the trusted domain GUIDs from the on-premises environment.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: "Allow syncing only on computers joined to specific domains" is not enabled.
+            #   - Condition B: "TenantRestrictionEnabled" is set to False.
+            #   - Condition C: "AllowedDomainList" does not contain the trusted domain GUIDs from the on-premises environment.
 
             # Retrieve OneDrive sync client restriction settings
             $SPOTenantSyncClientRestriction = Get-SPOTenantSyncClientRestriction | Select-Object TenantRestrictionEnabled, AllowedDomainList
             $isSyncRestricted = $SPOTenantSyncClientRestriction.TenantRestrictionEnabled -and $SPOTenantSyncClientRestriction.AllowedDomainList
 
-            # Prepare failure reasons and details based on compliance
+            # Condition A: Check if TenantRestrictionEnabled is True
+            # Condition B: Ensure AllowedDomainList contains trusted domains GUIDs
             $failureReasons = if (-not $isSyncRestricted) {
                 "OneDrive sync is not restricted to managed devices. TenantRestrictionEnabled should be True and AllowedDomainList should contain trusted domains GUIDs."
             }
@@ -29,6 +44,7 @@ function Test-OneDriveSyncRestrictions {
                 "N/A"
             }
 
+            # Condition C: Prepare details based on whether sync is restricted
             $details = if ($isSyncRestricted) {
                 "OneDrive sync is restricted for unmanaged devices."
             }

source/tests/Test-OrgOnlyBypassLobby.ps1

@@ -16,6 +16,20 @@ function Test-OrgOnlyBypassLobby {
     process {
         try {
             # 8.5.3 (L1) Ensure only people in my org can bypass the lobby
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: The `AutoAdmittedUsers` setting in the Teams meeting policy is set to `EveryoneInCompanyExcludingGuests`.
+            #   - Condition B: The setting for "Who can bypass the lobby" is configured to "People in my org" using the UI.
+            #   - Condition C: Verification using the Microsoft Teams admin center confirms that the meeting join & lobby settings are configured as recommended.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: The `AutoAdmittedUsers` setting in the Teams meeting policy is not set to `EveryoneInCompanyExcludingGuests`.
+            #   - Condition B: The setting for "Who can bypass the lobby" is not configured to "People in my org" using the UI.
+            #   - Condition C: Verification using the Microsoft Teams admin center indicates that the meeting join & lobby settings are not configured as recommended.
 
             # Connect to Teams PowerShell using Connect-MicrosoftTeams
 
@@ -25,6 +39,7 @@ function Test-OrgOnlyBypassLobby {
 
             # Prepare failure reasons and details based on compliance
             $failureReasons = if (-not $lobbyBypassRestricted) {
+                # Condition A: The `AutoAdmittedUsers` setting in the Teams meeting policy is not set to `EveryoneInCompanyExcludingGuests`.
                 "External participants can bypass the lobby"
             }
             else {
@@ -32,9 +47,11 @@ function Test-OrgOnlyBypassLobby {
             }
 
             $details = if ($lobbyBypassRestricted) {
+                # Condition B: The setting for "Who can bypass the lobby" is configured to "People in my org" using the UI.
                 "Only people in the organization can bypass the lobby."
             }
             else {
+                # Condition C: Verification using the Microsoft Teams admin center indicates that the meeting join & lobby settings are not configured as recommended.
                 "AutoAdmittedUsers is set to $($CsTeamsMeetingPolicyLobby.AutoAdmittedUsers)"
             }
 

source/tests/Test-ReauthWithCode.ps1

@@ -7,6 +7,22 @@ function Test-ReauthWithCode {
     )
 
     begin {
+        <#
+        Conditions for 7.2.10 (L1) Ensure reauthentication with verification code is restricted
+        #
+        # Validate test for a pass:
+        # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+        # - Specific conditions to check:
+        #   - Condition A: The `EmailAttestationRequired` property is set to `True`.
+        #   - Condition B: The `EmailAttestationReAuthDays` property is set to `15` or less.
+        #
+        # Validate test for a fail:
+        # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+        # - Specific conditions to check:
+        #   - Condition A: The `EmailAttestationRequired` property is set to `False`.
+        #   - Condition B: The `EmailAttestationReAuthDays` property is set to more than `15`.
+        #>
+
         # Dot source the class script if necessary
         #. .\source\Classes\CISAuditResult.ps1
         # Initialization code, if needed

source/tests/Test-RestrictCustomScripts.ps1

@@ -14,14 +14,27 @@ function Test-RestrictCustomScripts {
     }
 
     process {
-
         try {
             # 7.3.4 (L1) Ensure custom script execution is restricted on site collections
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: The `DenyAddAndCustomizePages` setting is set to `Enabled` for each site collection.
+            #   - Condition B: The setting is validated through PowerShell commands ensuring the correct state.
+            #   - Condition C: Verification using the SharePoint Admin Center confirms the `DenyAddAndCustomizePages` setting is enforced.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: The `DenyAddAndCustomizePages` setting is not set to `Enabled` for any site collection.
+            #   - Condition B: The setting is not validated through PowerShell commands, indicating misconfiguration.
+            #   - Condition C: Verification using the SharePoint Admin Center indicates that the `DenyAddAndCustomizePages` setting is not enforced.
 
             # Retrieve all site collections and select necessary properties
             $SPOSitesCustomScript = Get-SPOSite -Limit All | Select-Object Title, Url, DenyAddAndCustomizePages
 
-            # Replace 'sharepoint.com' with '<SPUrl>'
+            # Process URLs to replace 'sharepoint.com' with '<SPUrl>'
             $processedUrls = $SPOSitesCustomScript | ForEach-Object {
                 $_.Url = $_.Url -replace 'sharepoint\.com', '<SPUrl>'
                 $_

source/tests/Test-RestrictExternalSharing.ps1

@@ -7,6 +7,24 @@ function Test-RestrictExternalSharing {
     )
 
     begin {
+    <#
+        Conditions for 7.2.3 (L1) Ensure external content sharing is restricted
+
+        Validate test for a pass:
+        - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+        - Specific conditions to check:
+        - Condition A: The SharingCapability is set to "ExternalUserSharingOnly" or more restrictive in the SharePoint admin center.
+        - Condition B: Using PowerShell, the SharingCapability property for the SharePoint tenant is set to "ExternalUserSharingOnly", "ExistingExternalUserSharingOnly", or "Disabled".
+        - Condition C: The external sharing settings in SharePoint Online and OneDrive are set to the same or a more restrictive level than the organization’s sharing settings.
+
+        Validate test for a fail:
+        - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+        - Specific conditions to check:
+        - Condition A: The SharingCapability is set to "Anyone" or "ExternalUserAndGuestSharing" in the SharePoint admin center.
+        - Condition B: Using PowerShell, the SharingCapability property for the SharePoint tenant is set to "Anyone" or "ExternalUserAndGuestSharing".
+        - Condition C: The external sharing settings in SharePoint Online and OneDrive are set to a more permissive level than the organization’s sharing settings.
+    #>
+
         # Dot source the class script if necessary
         #. .\source\Classes\CISAuditResult.ps1
         # Initialization code, if needed
@@ -22,6 +40,7 @@ function Test-RestrictExternalSharing {
             $isRestricted = $SPOTenantSharingCapability.SharingCapability -in @('ExternalUserSharingOnly', 'ExistingExternalUserSharingOnly', 'Disabled')
 
             # Prepare failure reasons and details based on compliance
+            # Condition B: Using PowerShell, the SharingCapability property for the SharePoint tenant is set to "ExternalUserSharingOnly", "ExistingExternalUserSharingOnly", or "Disabled".
             $failureReasons = if (-not $isRestricted) {
                 "External content sharing is not adequately restricted. Current setting: $($SPOTenantSharingCapability.SharingCapability)"
             }
@@ -29,6 +48,8 @@ function Test-RestrictExternalSharing {
                 "N/A"
             }
 
+            # Condition A: The SharingCapability is set to "ExternalUserSharingOnly" or more restrictive in the SharePoint admin center.
+            # Condition C: The external sharing settings in SharePoint Online and OneDrive are set to the same or a more restrictive level than the organization’s sharing settings.
             $details = "SharingCapability: $($SPOTenantSharingCapability.SharingCapability)"
 
             # Create and populate the CISAuditResult object

source/tests/Test-RestrictStorageProvidersOutlook.ps1

@@ -7,6 +7,22 @@ function Test-RestrictStorageProvidersOutlook {
     )
 
     begin {
+        <#
+        # 6.5.3 (L2) Ensure additional storage providers are restricted in Outlook on the web
+        #
+        # Validate test for a pass:
+        # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+        # - Specific conditions to check:
+        #   - Condition A: Using PowerShell, verify that `AdditionalStorageProvidersAvailable` is set to `False` in the OwaMailboxPolicy.
+        #   - Condition B: Ensure that the command `Get-OwaMailboxPolicy | Format-Table Name, AdditionalStorageProvidersAvailable` returns `False`.
+        #
+        # Validate test for a fail:
+        # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+        # - Specific conditions to check:
+        #   - Condition A: Using PowerShell, verify that `AdditionalStorageProvidersAvailable` is not set to `False` in the OwaMailboxPolicy.
+        #   - Condition B: Ensure that the command `Get-OwaMailboxPolicy | Format-Table Name, AdditionalStorageProvidersAvailable` does not return `False`.
+        #>
+
         # Dot source the class script if necessary
         #. .\source\Classes\CISAuditResult.ps1
         # Initialization code, if needed
@@ -19,6 +35,7 @@ function Test-RestrictStorageProvidersOutlook {
 
             # Retrieve all OwaMailbox policies
             $owaPolicies = Get-OwaMailboxPolicy
+            # Condition A: Check if AdditionalStorageProvidersAvailable is set to False
             $nonCompliantPolicies = $owaPolicies | Where-Object { $_.AdditionalStorageProvidersAvailable }
 
             # Determine compliance
@@ -68,5 +85,3 @@ function Test-RestrictStorageProvidersOutlook {
         return $auditResult
     }
 }
-
-# Additional helper functions (if any)

source/tests/Test-SharePointAADB2B.ps1

@@ -7,11 +7,26 @@ function Test-SharePointAADB2B {
     )
 
     begin {
+        # Conditions for 7.2.2 (L1) Ensure SharePoint and OneDrive integration with Azure AD B2B is enabled
+        #
+        # Validate test for a pass:
+        # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+        # - Specific conditions to check:
+        #   - Condition A: Ensure the `EnableAzureADB2BIntegration` property is set to `True` for the SharePoint tenant.
+        #   - Condition B: Verify that the SharePoint and OneDrive integration with Azure AD B2B is active.
+        #   - Condition C: Ensure that guest accounts are managed in Azure AD and subject to access policies.
+        #
+        # Validate test for a fail:
+        # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+        # - Specific conditions to check:
+        #   - Condition A: The `EnableAzureADB2BIntegration` property is set to `False` for the SharePoint tenant.
+        #   - Condition B: The integration between SharePoint, OneDrive, and Azure AD B2B is not active.
+        #   - Condition C: Guest accounts are not managed in Azure AD and are not subject to access policies.
+
         # Dot source the class script if necessary
         #. .\source\Classes\CISAuditResult.ps1
         # Initialization code, if needed
 
-        $auditResult = [CISAuditResult]::new()
         $recnum = "7.2.2"
     }
 

source/tests/Test-SharePointExternalSharingDomains.ps1

@@ -9,10 +9,25 @@ function Test-SharePointExternalSharingDomains {
     begin {
         # Dot source the class script if necessary
         #. .\source\Classes\CISAuditResult.ps1
-        # Initialization code, if needed
 
-        $auditResult = [CISAuditResult]::new()
+        # Initialization code, if needed
         $recnum = "7.2.6"
+
+        # Conditions for 7.2.6 (L2) Ensure SharePoint external sharing is managed through domain whitelist/blacklists
+        #
+        # Validate test for a pass:
+        # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+        # - Specific conditions to check:
+        #   - Condition A: The "Limit external sharing by domain" option is enabled in the SharePoint admin center.
+        #   - Condition B: The "SharingDomainRestrictionMode" is set to "AllowList" using PowerShell.
+        #   - Condition C: The "SharingAllowedDomainList" contains the domains trusted by the organization for external sharing.
+        #
+        # Validate test for a fail:
+        # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+        # - Specific conditions to check:
+        #   - Condition A: The "Limit external sharing by domain" option is not enabled in the SharePoint admin center.
+        #   - Condition B: The "SharingDomainRestrictionMode" is not set to "AllowList" using PowerShell.
+        #   - Condition C: The "SharingAllowedDomainList" does not contain the domains trusted by the organization for external sharing.
     }
 
     process {

source/tests/Test-SharePointGuestsItemSharing.ps1

@@ -11,8 +11,23 @@ function Test-SharePointGuestsItemSharing {
         #. .\source\Classes\CISAuditResult.ps1
         # Initialization code, if needed
 
-        $auditResult = [CISAuditResult]::new()
         $recnum = "7.2.5"
+
+        # Conditions for 7.2.5 (L2) Ensure that SharePoint guest users cannot share items they don't own
+        #
+        # Validate test for a pass:
+        # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+        # - Specific conditions to check:
+        #   - Condition A: The SharePoint setting "PreventExternalUsersFromResharing" is set to `True` using PowerShell.
+        #   - Condition B: The SharePoint admin center setting "Allow guests to share items they don't own" is unchecked.
+        #   - Condition C: Ensure that external users cannot re-share items they don't own.
+        #
+        # Validate test for a fail:
+        # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+        # - Specific conditions to check:
+        #   - Condition A: The SharePoint setting "PreventExternalUsersFromResharing" is set to `False` using PowerShell.
+        #   - Condition B: The SharePoint admin center setting "Allow guests to share items they don't own" is checked.
+        #   - Condition C: Ensure that external users can re-share items they don't own.
     }
 
     process {

source/tests/Test-TeamsExternalAccess.ps1

@@ -18,6 +18,20 @@ function Test-TeamsExternalAccess {
     process {
         try {
             # 8.2.1 (L1) Ensure 'external access' is restricted in the Teams admin center
+            #
+            # Validate test for a pass:
+            # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
+            # - Specific conditions to check:
+            #   - Condition A: The `AllowTeamsConsumer` setting is `False`.
+            #   - Condition B: The `AllowPublicUsers` setting is `False`.
+            #   - Condition C: The `AllowFederatedUsers` setting is `False` or, if `True`, the `AllowedDomains` contains only authorized domain names.
+            #
+            # Validate test for a fail:
+            # - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
+            # - Specific conditions to check:
+            #   - Condition A: The `AllowTeamsConsumer` setting is not `False`.
+            #   - Condition B: The `AllowPublicUsers` setting is not `False`.
+            #   - Condition C: The `AllowFederatedUsers` setting is `True` and the `AllowedDomains` contains unauthorized domain names or is not configured correctly.
 
             # Connect to Teams PowerShell using Connect-MicrosoftTeams
 

source/tests/Test-TeamsExternalFileSharing.ps1

@@ -10,8 +10,6 @@ function Test-TeamsExternalFileSharing {
         # Dot source the class script if necessary
         # . .\source\Classes\CISAuditResult.ps1
         # Initialization code, if needed
-
-        $auditResult = [CISAuditResult]::new()
         $recnum = "8.1.1"
     }
 
@@ -20,6 +18,12 @@ function Test-TeamsExternalFileSharing {
             # 8.1.1 (L2) Ensure external file sharing in Teams is enabled for only approved cloud storage services
             # Connect to Teams PowerShell using Connect-MicrosoftTeams
 
+            # Condition A: The `AllowDropbox` setting is set to `False`.
+            # Condition B: The `AllowBox` setting is set to `False`.
+            # Condition C: The `AllowGoogleDrive` setting is set to `False`.
+            # Condition D: The `AllowShareFile` setting is set to `False`.
+            # Condition E: The `AllowEgnyte` setting is set to `False`.
+
             # Assuming that 'approvedProviders' is a list of approved cloud storage service names
             # This list must be defined according to your organization's approved cloud storage services
             $approvedProviders = @("AllowDropBox", "AllowBox", "AllowGoogleDrive", "AllowShareFile", "AllowEgnyte")