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Restrict admin privileges
Essential EightE8-RA-ML2.7

Essential Eight RA-ML2.7 Centrally log privileged user account and security group management events

What it says

Privileged user account and security group management events are centrally logged.

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

What it means

In plain English

Ensure logs of admin account and group changes are stored in one place.

Imagine all the important door keys in your business on one keychain. If you lose that keychain, someone could access everything. Similarly, if changes to your admin accounts aren't logged in one central place and someone gets into those accounts, it could mean trouble. Logging these changes helps you track and respond quickly to anything suspicious.

Why it matters

Without central logging, unauthorised privileged account or group changes can go undetected, enabling persistence, fraud or sabotage.

How to implement

  1. The IT team should set up a central logging system.

    Do this by configuring all servers and devices to send their logs of admin account and group changes to one secure location.

  2. System administrators need to ensure logging is enabled on all systems.

    Check that every system is configured to record changes to who has admin access.

  3. Security officers should review the central logs regularly.

    Schedule weekly checks to look for unusual changes or patterns in admin account activities.

  4. The IT manager should implement access controls on the logging system.

    Only authorised personnel should have access, ensuring the logs themselves are protected against tampering.

  5. IT staff should back up logs regularly.

    Create an automated system that backs up logs daily to prevent loss of data due to system failures.

Keep it running

Centrally collect admin account/group change events and alert on unexpected adds/removes to privileged groups and sudden privilege grants.

Evidence and audit

  1. Check 1 of 2What an auditor asks for

    Ask for

    How do you ensure that all admin account changes are logged centrally?

    Look at

    Examine the configuration settings on your servers and devices for central logging.

    Good evidence

    All systems are set up to automatically send logs of admin changes to a secure, central logging solution.

  2. Check 2 of 2What an auditor asks for

    Ask for

    Who reviews the central logs and how often?

    Look at

    Check a log review schedule and any related reports or notes on actions taken.

    Good evidence

    The security officer reviews logs weekly, with documented notes on any anomalies and actions taken.

Mappings

Closest match in ASD Information Security Manual: ISM-1650, Log management of privileged user activities, which asks for the same thing.

ISO 27001

ISO/IEC 27001: 2 mappings

ASD ISM

ASD Information Security Manual: 10 mappings

  • ISM-1977Central logging of Linux system eventsPartially overlaps
ASD Essentials

ASD Essentials for enterprise IT: 2 mappings

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