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Connected users on domain-joined computers must not be enumerated.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-63631 | WN10-CC-000125 | SV-78121r1_rule | Medium |
| 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 unauthorized personnel. |
| STIG | Date |
|---|---|
| Windows 10 Security Technical Implementation Guide | 2015-11-30 |
Details
| Check Text ( C-64381r1_chk ) |
|---|
| This requirement is applicable to domain-joined systems, for standalone systems this is NA. If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\Windows\System\ Value Name: DontEnumerateConnectedUsers Value Type: REG_DWORD Value: 1 |
| Fix Text (F-69561r1_fix) |
|---|
| 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 >> "Do not enumerate connected users on domain-joined computers" to "Enabled". |