Title

Standard local user accounts must not exist on a system in a domain. (Cat III impact)

Discussion

To minimize potential points of attack, local user accounts, other than built-in accounts and local administrator accounts, must not exist on a workstation in a domain. Users must log on to workstations in a domain with their domain accounts.

Check Content

For standalone or nondomain-joined systems, this is Not Applicable. Run "Computer Management". Navigate to System Tools >> Local Users and Groups >> Users. If local users other than the accounts listed below exist on a workstation in a domain, this is a finding. Built-in Administrator account (Disabled) Built-in Guest account (Disabled) Built-in DefaultAccount (Disabled) Built-in defaultuser0 (Disabled) Built-in WDAGUtilityAccount (Disabled) Local administrator account(s) All of the built-in accounts may not exist on a system, depending on the Windows 10 version.

Fix Text

Limit local user accounts on domain-joined systems. Remove any unauthorized local accounts.

Additional Identifiers

Rule ID: SV-220715r890423_rule

Vulnerability ID: V-220715

Group Title: SRG-OS-000480-GPOS-00227

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.