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Cis Azure Foundations 5.19

DevOps & Security
cis-azure-foundations-5.19

Cis Azure Foundations 5.19 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 'Users can create security groups in Azure portals, API or PowerShell' is set to 'No'

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  3. Review files and risks before approving any action.
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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-5.19/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/cis-azure-foundations-5-19, but wait for my approval before writing files or running scripts.

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Ensure 'Users can create security groups in Azure portals, API or PowerShell' is set to 'No'

Description

Restrict security group creation to administrators only.

Rationale

When creating security groups is enabled, all users in the directory are allowed to create new security groups and add members to those groups. Unless a business requires this day-to-day delegation, security group creation should be restricted to administrators only.

Impact

Enabling this setting could create a number of requests that would need to be managed by an administrator.

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 Security Groups, ensure that Users can create security groups in Azure portals, API or PowerShell is set to No

Expected Result

Users can create security groups in Azure portals, API or PowerShell 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 Security Groups, set Users can create security groups in Azure portals, API or PowerShell to No
  6. Click Save

Default Value

By default, Users can create security groups in Azure portals, API or PowerShell is set to Yes.

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-governance-strategy#gs-6-define-and-implement-identity-and-privileged-access-strategy
  3. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-governance-strategy#gs-2-define-and-implement-enterprise-segmentationseparation-of-duties-strategy
  4. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-privileged-access#pa-1-separate-and-limit-highly-privilegedadministrative-users
  5. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-privileged-access#pa-3-manage-lifecycle-of-identities-and-entitlements

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