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Restrict admin privileges
Essential EightE8-RA-ML3.2

Essential Eight RA-ML3.2 Use secure admin workstations for administrative tasks

What it says

Secure Admin Workstations are used in the performance of administrative activities.

Quoted as published. Everything else on this page is written by Control Stack.

What it means

In plain English

Conduct admin activities on secure, dedicated workstations only.

This control is all about making sure that people who manage and oversee important computer systems do their work on special, secure computers. It's crucial because if these administrative tasks are done on regular, less secure computers, there is a greater risk that malicious software or hackers could access and take control of these sensitive systems.

Why it matters

Without secure admin workstations, attackers can hijack admin sessions during privileged tasks, enabling domain-wide compromise and rapid lateral movement.

How to implement

  1. The IT team should set up dedicated admin workstations by selecting computers with the latest security features and no unnecessary software installed.

  2. System administrators should ensure these workstations are only used for administrative tasks by configuring network permissions that prevent non-admin tasks.

  3. Security officers should regularly update the security software on these admin workstations through automated patches to keep them secure from known vulnerabilities.

  4. IT support staff should provide training for administrative staff on how to use these dedicated workstations effectively and safely, including guidance on recognising phishing attempts.

  5. The IT team should monitor the network to ensure that these admin workstations are not being used for other purposes, like browsing the web or checking personal emails.

Keep it running

Confirm admin workstations are dedicated and isolated from user networks; regularly validate hardening, patching and application controls to prevent configuration drift.

Evidence and audit

  1. Check 1 of 2What an auditor asks for

    Ask for

    Are there dedicated secure workstations set up for administrative tasks?

    Look at

    Examine the asset inventory or network diagram to identify the machines designated as secure admin workstations.

    Good evidence

    There should be a clear list and physical or digital distinction of machines used solely for administrative activities, supported by documentation.

  2. Check 2 of 2What an auditor asks for

    Ask for

    How is the security of these workstations maintained and updated?

    Look at

    Review logs of security updates and patch management records for these specific workstations.

    Good evidence

    Regular and recent updates are applied, with records showing a consistent schedule of patch management.

Mappings

Closest match in ASD Information Security Manual: ISM-1898, Use secure admin workstations for administration, which asks for the same thing.

ASD ISM

ASD Information Security Manual: 7 mappings

ASD Essentials

ASD Essentials for enterprise IT: 2 mappings

Mappings show how controls relate across frameworks. They do not imply full equivalence or certification.