L1 BIO 16.01 ISO A.12.4.1 CIS 18.9.19.2

Do Not Enumerate Connected Users Op Domain Joined Computers Is Set To Ingeschakeld

📅 2025-10-30
•
⏱️ 2 minuten lezen
•
🔴 Must-Have

💼 Management Samenvatting

Deze security regelen waarborgt de correcte configuratie van beveiligingsinstellingen op Windows endpoints.

Aanbeveling
IMPLEMENT
Risico zonder
High
Risk Score
7/10
Implementatie
2u (tech: 1u)
Van toepassing op:
✓ Windows

Deze instelling is onderdeel van de Windows security baseline en beschermt tegen bekende aanvalsvectoren door het afdwingen van veilige configuraties.

PowerShell Modules Vereist
Primary API: Graph
Connection: Connect-MgGraph
Required Modules: Microsoft.Graph.DeviceManagement

Implementatie

Dit regelen configureert doen niet enumerate connected users op domain joined computers is set to ingeschakeld via Microsoft Intune apparaat configuratie beleid of compliance policies om Windows endpoints te beveiligen volgens security best practices.

Vereisten

Microsoft Intune via device configuratiebeleidsregels

Implementatie

Gebruik PowerShell-script do-not-enumerate-connected-users-on-domain-joined-computers-is-set-to-enabled.ps1 (functie Invoke-Monitoring) – Monitoren.

monitoring

Gebruik PowerShell-script do-not-enumerate-connected-users-on-domain-joined-computers-is-set-to-enabled.ps1 (functie Invoke-Monitoring) – Controleren.

Remediatie

Gebruik PowerShell-script do-not-enumerate-connected-users-on-domain-joined-computers-is-set-to-enabled.ps1 (functie Invoke-Remediation) – Herstellen.

Compliance en Auditing

Beleid documentatie

Compliance & Frameworks

Automation

Gebruik het onderstaande PowerShell script om deze security control te monitoren en te implementeren. Het script bevat functies voor zowel monitoring (-Monitoring) als remediation (-Remediation).

PowerShell
<# .SYNOPSIS Intune Security Options: Do Not Enumerate Connected Users on Domain-Joined .DESCRIPTION CIS - User enumeration uitschakelen op domain-joined computers. .NOTES Filename: no-enum-domain-users.ps1|Author: Nederlandse Baseline voor Veilige Cloud|Feature: Lock Screen|Expected: Disabled #> #Requires -Version 5.1 #Requires -RunAsAdministrator [CmdletBinding()]param([switch]$WhatIf, [switch]$Monitoring, [switch]$Remediation, [switch]$Revert) $ErrorActionPreference = 'Stop'; $RegPath = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\System"; $RegName = "EnumerateLocalUsers"; $ExpectedValue = 0 function Connect-RequiredServices { $p = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent()); return $p.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator) } function Test-Compliance { $r = [PSCustomObject]@{ScriptName = "enum-domain.ps1"; PolicyName = "Enumerate Domain Users"; IsCompliant = $false; CurrentValue = $null; Details = @() }; try { if (Test-Path $RegPath) { $v = Get-ItemProperty -Path $RegPath -Name $RegName -ErrorAction SilentlyContinue; if ($v -and $v.$RegName -eq $ExpectedValue) { $r.IsCompliant = $true; $r.Details += "Domain user enumeration disabled" }else { $r.Details += "Domain user enumeration enabled" } }else { $r.Details += "Not configured" } }catch { $r.Details += "Error: $($_.Exception.Message)" }; return $r } function Invoke-Remediation { if (-not(Test-Path $RegPath)) { New-Item -Path $RegPath -Force | Out-Null }; Set-ItemProperty -Path $RegPath -Name $RegName -Value $ExpectedValue -Type DWord -Force; Write-Host "Domain user enumeration disabled" -ForegroundColor Green } function Invoke-Monitoring { $r = Test-Compliance; Write-Host "`n$($r.PolicyName): $(if($r.IsCompliant){'COMPLIANT'}else{'NON-COMPLIANT'})" -ForegroundColor $(if ($r.IsCompliant) { 'Green' }else { 'Red' }); return $r } try { if (-not(Connect-RequiredServices)) { exit 1 }; if ($Monitoring) { $r = Invoke-Monitoring; exit $(if ($r.IsCompliant) { 0 }else { 1 }) }elseif ($Remediation) { if (-not $WhatIf) { Invoke-Remediation } }elseif ($Revert) { Remove-ItemProperty -Path $RegPath -Name $RegName -ErrorAction SilentlyContinue }else { $r = Test-Compliance; exit $(if ($r.IsCompliant) { 0 }else { 1 }) } }catch { Write-Error $_; exit 1 }

Risico zonder implementatie

Risico zonder implementatie
High: No auth tracking.

Management Samenvatting

Schakel in audit logging.