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Restrict admin privileges
Essential EightE8-RA-ML2.4

Essential Eight RA-ML2.4 Conduct administrative activities through jump servers

What it says

Administrative activities are conducted through jump servers.

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

What it means

In plain English

Require admins to use secure jump servers for management tasks.

This control requires administrators to perform management tasks through a special type of computer called a jump server. Jump servers add a layer of security by acting like a security checkpoint, ensuring that only authorised administrators can access sensitive systems. Without jump servers, an attacker could potentially gain direct access to important parts of the network, leading to data theft or system damage.

Why it matters

Without jump servers, attackers can exploit direct admin access paths, leading to potential data breaches and network compromise.

How to implement

  1. IT Team: Set up a secure jump server that all administrators must use to access the organisation's main systems.

    Configure this server to require strong authentication methods, like two-factor authentication, for logging in.

  2. Security Officer: Ensure that the jump server is secured with proper firewall rules.

    Only allow connections from specific administrator devices and block all others to prevent unauthorised access.

  3. System Administrator: Regularly update the jump server with the latest security patches and software updates to protect against vulnerabilities.

  4. IT Support Team: Train all administrators on how to use the jump server correctly, including login procedures and exiting the server after completing their tasks to maintain security.

Keep it running

Review jump server configuration and logs to confirm only authorised admins access it, and that administrative tasks occur via the jump server rather than direct management access.

Evidence and audit

  1. Check 1 of 2What an auditor asks for

    Ask for

    Are all administrative activities being conducted through a jump server?

    Look at

    Check access logs on the jump server to confirm that only authorised administrators have logged in.

    Good evidence

    Access logs show only authorised access from specific, known administrator accounts, and these accesses align with documented administrative activities.

  2. Check 2 of 2What an auditor asks for

    Ask for

    How is the jump server secured against unauthorised access?

    Look at

    Review firewall configurations and the list of allowed devices that can connect to the jump server.

    Good evidence

    The firewall settings show restricted access to the jump server, allowing only specific administrator IP addresses.

Mappings

Closest match in ASD Information Security Manual: ISM-1387, Use jump servers for administrative activities, which asks for the same thing.

ISO 27001

ISO/IEC 27001: 1 mapping

ASD ISM

ASD Information Security Manual: 6 mappings

ASD Essentials

ASD Essentials for enterprise IT: 1 mapping

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