Microsoft 365 Group (and Team) creation should be restricted to approved users
MT.1055LowEntra IDGroups
Part of Maester · Entra ID · Groups · All checks
Invoke-Maester -TestId MT.1055Overview
Section titled “Overview”This test checks if Microsoft 365 Group creation is restricted to approved users.
By default, all users in the tenant can create Microsoft 365 Groups. This can lead to group sprawl, security risks and compliance issues.
Creating groups should be restricted to users who have undergone training and understand the responsibilities of group ownership, governance and compliance requirements.
Remediation action
Section titled “Remediation action”Unfortunately, Microsoft 365 does not provide a user interface to restrict group creation. However, you can restrict group creation to approved users by using PowerShell.
Follow the link below to restrict Microsoft 365 Group creation to approved users:.
Related links
Section titled “Related links”Details
Section titled “Details”Every attribute of this check
| Field | Value |
|---|---|
| Test ID | MT.1055 |
| Severity | Low |
| Suite | Maester |
| Product | Entra ID |
| Related products | Teams |
| Feature | Groups |
| Area | Access control |
| Resource type | Tenant |
| User impact | Medium |
| Implementation cost | Low |
| MITRE ATT&CK | None |
| Supports controls | nist-800-53-r5:AC-6, nist-800-53-r5:CM-7 |
| PowerShell test | Test-MtGroupCreationRestricted |
| Services | Graph |
Source
Section titled “Source”- Test:
tests/maester/entra/Test.MT.1055.ps1 - Documentation:
tests/maester/entra/Test.MT.1055.md