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Cis Azure Foundations 5.20

DevOps & Security
cis-azure-foundations-5.20

Cis Azure Foundations 5.20 is an Agent Skill for devops & security published in the CyberStrikeus/CyberStrike repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

Ensure 'Owners can manage group membership requests in My Groups' is set to 'No'

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  1. Open your project in Codex.
  2. Copy and paste the prompt below.
  3. Review files and risks before approving any action.
Prompt to paste
Inspect the Agent Skill at https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Cloud_Providers/Microsoft_Azure/CIS_Microsoft_Azure_Foundations_Benchmark_v5.0.0/cis-azure-foundations-5.20/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/cis-azure-foundations-5-20, but wait for my approval before writing files or running scripts.

Copying this prompt does not install or run the skill. Review third-party files before use.

Ensure 'Owners can manage group membership requests in My Groups' is set to 'No'

Description

Restrict security group management to administrators only.

Rationale

Restricting security group management to administrators only prohibits users from making changes to security groups. This ensures that security groups are appropriately managed and their management is not delegated to non-administrators.

Impact

Group Membership for user accounts will need to be handled by Admins and cause administrative overhead.

Audit Procedure

Using Azure Portal

  1. From Azure Home select the Portal Menu
  2. Select Microsoft Entra ID
  3. Under Manage, select Groups
  4. Under Settings, select General
  5. Under Self Service Group Management, ensure that Owners can manage group membership requests in My Groups is set to No

Expected Result

Owners can manage group membership requests in My Groups should be set to No.

Remediation

Using Azure Portal

  1. From Azure Home select the Portal Menu
  2. Select Microsoft Entra ID
  3. Under Manage, select Groups
  4. Under Settings, select General
  5. Under Self Service Group Management, set Owners can manage group membership requests in My Groups to No
  6. Click Save

Default Value

By default, Owners can manage group membership requests in My Groups is set to No.

References

  1. https://learn.microsoft.com/en-us/entra/identity/users/groups-self-service-management#making-a-group-available-for-end-user-self-service
  2. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-privileged-access#pa-1-separate-and-limit-highly-privilegedadministrative-users
  3. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-privileged-access#pa-3-manage-lifecycle-of-identities-and-entitlements
  4. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-privileged-access#pa-8-determine-access-process-for-cloud-provider-support
  5. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-governance-strategy#gs-2-define-and-implement-enterprise-segmentationseparation-of-duties-strategy
  6. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-governance-strategy#gs-6-define-and-implement-identity-and-privileged-access-strategy

CIS Controls

Controls VersionControlIG 1IG 2IG 3
v86.8 Define and Maintain Role-Based Access Controlx
v714.6 Protect Information through Access Control Listsxxx

Profile

Level 2 | Manual