For AI agents: A markdown version of this page is available at https://docs.datadoghq.com/security/default_rules/def-000-ivn.md. A documentation index is available at /llms.txt.

Ensure All Accounts on the System Have Unique Names

Description

Ensure accounts on the system have unique names. To ensure all accounts have unique names, run the following command:

$ sudo getent passwd | awk -F: '{ print $1}' | uniq -d

If a username is returned, change or delete the username.

Rationale

Unique usernames allow for accountability on the system.