💼 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:
Required Modules: Microsoft.Graph.DeviceManagement
Connection:
Connect-MgGraphRequired Modules: Microsoft.Graph.DeviceManagement
Implementatie
Dit regelen configureert hide exclusions van local users 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 hide-exclusions-from-local-users-is-set-to-enabled.ps1 (functie Invoke-Monitoring) – Monitoren.
monitoring
Gebruik PowerShell-script hide-exclusions-from-local-users-is-set-to-enabled.ps1 (functie Invoke-Monitoring) – Controleren.
Remediatie
Gebruik PowerShell-script hide-exclusions-from-local-users-is-set-to-enabled.ps1 (functie Invoke-Remediation) – Herstellen.
Compliance en Auditing
Beleid documentatie
Compliance & Frameworks
- CIS M365: Control 18.9.19.2 (L1) - CIS Security Benchmark aanbevelingen
- BIO: 16.01 - BIO Baseline Informatiebeveiliging Overheid - 16.01 - Gebeurtenissen logging en audittrails
- ISO 27001:2022: A.12.4.1 - ISO 27001:2022 - Gebeurtenissen logging en audittrails
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 Windows Defender: Hide Exclusions From Local Users
.DESCRIPTION
CIS - Exclusions verbergen voor local users.
.NOTES
Filename: defender-hide-exclusions.ps1|Author: Nederlandse Baseline voor Veilige Cloud|Registry: HKLM:\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions|Expected: Hidden
#>
#Requires -Version 5.1
#Requires -RunAsAdministrator
[CmdletBinding()]param([switch]$WhatIf, [switch]$Monitoring, [switch]$Remediation, [switch]$Revert)
$ErrorActionPreference = 'Stop'; $RegPath = "HKLM:\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions"; $RegName = "DisableLocalAdminMerge"; $ExpectedValue = 1
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 = "defender-hide-exclusions.ps1"; PolicyName = "Defender Hide Exclusions"; IsCompliant = $false; CurrentValue = $null; Details = @() }; function Invoke-Revert { Remove-ItemProperty -Path $RegPath -Name $RegName -ErrorAction SilentlyContinue }
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 += "Exclusions hidden" }else { $r.Details += "Exclusions visible" } }else { $r.Details += "Niet geconfigureerd" } }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 "Exclusions hidden from local users" -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 }
function Invoke-Revert { Remove-ItemProperty -Path $RegPath -Name $RegName -ErrorAction SilentlyContinue }
try { if (-not(Connect-RequiredServices)) { exit 1 }; if ($Monitoring) { $r = Invoke-Monitoring; exit $(if ($r.IsCompliant) { 0 }else { 1 }) }elseif ($Remediation) { if (-not $WhatIf) { Invoke-Remediation } }elseif ($Revert) { Invoke-Revert }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.
- Implementatietijd: 2 uur
- FTE required: 0.01 FTE