Rec: 7.2.9 - Validate Test-GuestAccessExpiration.ps1, ELevel: E3, ProfileLevel: L1, IG1: FALSE, IG2: FALSE, IG3: FALSE, Connection: SPO

[DrIOSX]

Validation for Test-GuestAccessExpiration.ps1

Recommendation Details

• Recommendation: 7.2.9
• Description: Ensure guest access to a site or OneDrive will expire automatically
• ELevel: E3
• Profile Level: L1
• CIS Control: 0
• CIS Description: Explicitly Not Mapped
• Implementation Group 1: FALSE
• Implementation Group 2: FALSE
• Implementation Group 3: FALSE
• Automated: TRUE
• Connection: SPO

Test-GuestAccessExpiration.ps1

Tasks

Validate recommendation details

• [x] Confirm that the recommendation details are accurate and complete as per the CIS benchmark.

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 GuestUserPermissionPolicies setting in SharePoint is set to None.
  • Condition B: The setting for Guest sharing permissions is configured to ensure that guest users cannot edit files or share them further.
  • Condition C: Verification using the SharePoint Admin Center confirms that guest users have Read-only access.

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 GuestUserPermissionPolicies setting in SharePoint is not set to None.
  • Condition B: The setting for Guest sharing permissions allows guest users to edit files or share them further.
  • Condition C: Verification using the SharePoint Admin Center indicates that guest users have permissions beyond Read-only.

Add notes and observations

• [ ] Compare the automated audit results with the manual audit steps and provide detailed observations.
  • Automated audit produced info consistent with the manual audit test results? (Yes/No)
  • Without disclosing any sensitive information, document any discrepancies between the actual output and the expected output.
  • Document any error messages, removing any sensitive information before submitting.
  • Identify the specific function, line, or section of the script that failed, if known.
  • Provide any additional context or observations that might help in troubleshooting.

If needed, the helpers folder in .\source\helpers contains a CSV to assist with locating the test definition.

[DrIOSX]

Base PowerShell Audit:

Get-SPOTenant | fl ExternalUserExpirationRequired,ExternalUserExpireInDays