Local users on domain-joined computers must not be enumerated.
An XCCDF Rule
Description
The username is one part of logon credentials that could be used to gain access to a system. Preventing the enumeration of users limits this information to authorized personnel.
- ID
- SV-253379r958478_rule
- Version
- WN11-CC-000130
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
This requirement is applicable to domain-joined systems, for standalone systems this is NA.
Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Logon >> "Enumerate local users on domain-joined computers" to "Disabled".