The AAA Service must be configured to automatically audit account creation.

From Authentication Authorization and Accounting Service Security Requirements Guide

Associated with: CCI-000018

SRG-APP-000026-AAA-000009_rule The AAA Service must be configured to automatically audit account creation.

Vulnerability discussion

Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of re-establishing access. One way to accomplish this is for the attacker to simply create a new account. Auditing of account creation is one method for mitigating this risk. A comprehensive account management process will ensure an audit trail documents the creation of user accounts and, as required, notifies administrators and/or managers. Such a process greatly reduces the risk that accounts will be surreptitiously created and provides logging that can be used for forensic purposes.

Check content

If the AAA Service relies on directory services for user account management this is not applicable and the connected directory services must perform this function. Verify the AAA Service is configured to automatically audit account creation. If the AAA Service is not configured to automatically audit account creation, this is a finding.

Fix text

Configure the AAA Service to automatically audit account creation.

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