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Cis Azure Foundations 5.17

DevOps & Security
cis-azure-foundations-5.17

Cis Azure Foundations 5.17 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 'Restrict access to Microsoft Entra admin center' is set to 'Yes'

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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-5.17/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/cis-azure-foundations-5-17, but wait for my approval before writing files or running scripts.

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Ensure 'Restrict access to Microsoft Entra admin center' is set to 'Yes'

Description

Restrict access to the Microsoft Entra ID administration center to administrators only.

NOTE: This only affects access to the Entra ID administrator's web portal. This setting does not prohibit privileged users from using other methods such as Rest API or Powershell to obtain sensitive information from Microsoft Entra ID.

Rationale

The Microsoft Entra ID administrative center has sensitive data and permission settings. All non-administrators should be prohibited from accessing any Microsoft Entra ID data in the administration center to avoid exposure.

Impact

All administrative tasks will need to be done by Administrators, causing additional overhead in management of users and resources.

Audit Procedure

Using Azure Portal

  1. From Azure Home select the Portal Menu
  2. Select Microsoft Entra ID
  3. Under Manage, select Users
  4. Under Manage, select User settings
  5. Under Administration centre, ensure that Restrict access to Microsoft Entra admin center is set to Yes

Expected Result

Restrict access to Microsoft Entra admin center should be set to Yes.

Remediation

Using Azure Portal

  1. From Azure Home select the Portal Menu
  2. Select Microsoft Entra ID
  3. Under Manage, select Users
  4. Under Manage, select User settings
  5. Under Administration centre, set Restrict access to Microsoft Entra admin center to Yes
  6. Click Save

Default Value

By default, Restrict access to Microsoft Entra admin center is set to No.

References

  1. https://learn.microsoft.com/en-us/entra/identity/role-based-access-control/permissions-reference
  2. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-governance-strategy#gs-2-define-and-implement-enterprise-segmentationseparation-of-duties-strategy
  3. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-governance-strategy#gs-6-define-and-implement-identity-and-privileged-access-strategy
  4. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-privileged-access#pa-1-separate-and-limit-highly-privilegedadministrative-users

CIS Controls

Controls VersionControlIG 1IG 2IG 3
v85.4 Restrict Administrator Privileges to Dedicated Administrator Accountsxxx
v86.8 Define and Maintain Role-Based Access Controlx
v74.3 Ensure the Use of Dedicated Administrative Accountsxxx

Profile

Level 1 | Manual