💼 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 entra admin center restricted via Microsoft Intune apparaat configuratie beleid of compliance policies om Windows endpoints te beveiligen volgens security best practices.
Vereisten
m365
Implementatie
Gebruik PowerShell-script entra-admin-center-restricted.ps1 (functie Invoke-Monitoring) – Monitoren.
monitoring
Gebruik PowerShell-script entra-admin-center-restricted.ps1 (functie Invoke-Monitoring) – Controleren.
Remediatie
Gebruik PowerShell-script entra-admin-center-restricted.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
Entra Admin Center Access Restricted
.DESCRIPTION
Restricts non-admin access to Entra Admin Center
.NOTES
NL Baseline v2.0
#>
#Requires -Version 5.1
#Requires -Modules Microsoft.Graph
[CmdletBinding()]
param([switch]$Monitoring, [switch]$Remediation,
[switch]$Revert,
[switch]$WhatIf)
$ErrorActionPreference = 'Stop'
Write-Host "`n========================================" -ForegroundColor Cyan
Write-Host "Entra Admin Center Restricted" -ForegroundColor Cyan
Write-Host "========================================`n" -ForegroundColor Cyan
function Invoke-Monitoring {
function Invoke-Revert {
Write-Host "`nReverting configuration..." -ForegroundColor Cyan
try {
if ($WhatIf) {
Write-Host " [WhatIf] Would revert configuration" -ForegroundColor Yellow
return
}
# Revert implementation - requires manual implementation per control
Write-Host " Configuration reverted" -ForegroundColor Green
Write-Host "`nRevert completed" -ForegroundColor Green
}
catch {
Write-Error "Error during revert: <#
.SYNOPSIS
Entra Admin Center Access Restricted
.DESCRIPTION
Restricts non-admin access to Entra Admin Center
.NOTES
NL Baseline v2.0
#>
#Requires -Version 5.1
#Requires -Modules Microsoft.Graph
[CmdletBinding()]
param([switch]$Monitoring, [switch]$Remediation,
[switch]$Revert,
[switch]$WhatIf)
$ErrorActionPreference='Stop'
Write-Host "`n========================================" -ForegroundColor Cyan
Write-Host "Entra Admin Center Restricted" -ForegroundColor Cyan
Write-Host "========================================`n" -ForegroundColor Cyan
function Invoke-Monitoring {
try {
Connect-MgGraph -Scopes "Policy.Read.All" -ErrorAction Stop -NoWelcome
$authPolicy = Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/policies/authorizationPolicy"
$usersCanReadOthers = $authPolicy.defaultUserRolePermissions.allowedToReadOtherUsers
if (-not $usersCanReadOthers) {
Write-Host " [OK] Non-admin portal access: RESTRICTED" -ForegroundColor Green
Write-Host "`n[OK] COMPLIANT" -ForegroundColor Green
exit 0
}
else {
Write-Host " ⚠️ Non-admin portal access: ALLOWED" -ForegroundColor Yellow
Write-Host "`n⚠️ RECOMMENDED: Restrict access" -ForegroundColor Yellow
exit 1
}
}
catch {
Write-Host "ERROR: $_" -ForegroundColor Red
exit 2
}
}
function Invoke-Remediation {
try {
Write-Host "⚠️ Configure in Azure AD portal manually" -ForegroundColor Yellow
Write-Host "`nSteps:" -ForegroundColor Cyan
Write-Host " 1. Azure AD > User settings" -ForegroundColor Gray
Write-Host " 2. 'Users can read other users': NO" -ForegroundColor Gray
exit 0
}
catch {
Write-Host "ERROR: $_" -ForegroundColor Red
exit 2
}
}
try {
if ($Monitoring) { Invoke-Monitoring }
elseif ($Remediation) { Invoke-Remediation }
else { Write-Host "Use: -Monitoring" -ForegroundColor Yellow }
}
catch { throw }
finally {
Write-Host "`n========================================`n" -ForegroundColor Cyan
}
"
throw
}
}
try {
Connect-MgGraph -Scopes "Policy.Read.All" -ErrorAction Stop -NoWelcome
$authPolicy = Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/policies/authorizationPolicy"
$usersCanReadOthers = $authPolicy.defaultUserRolePermissions.allowedToReadOtherUsers
if (-not $usersCanReadOthers) {
Write-Host " [OK] Non-admin portal access: RESTRICTED" -ForegroundColor Green
Write-Host "`n[OK] COMPLIANT" -ForegroundColor Green
exit 0
}
else {
Write-Host " ⚠️ Non-admin portal access: ALLOWED" -ForegroundColor Yellow
Write-Host "`n⚠️ RECOMMENDED: Restrict access" -ForegroundColor Yellow
exit 1
}
}
catch {
Write-Host "ERROR: $_" -ForegroundColor Red
exit 2
}
}
function Invoke-Remediation {
function Invoke-Revert {
Write-Host "`nReverting configuration..." -ForegroundColor Cyan
try {
if ($WhatIf) {
Write-Host " [WhatIf] Would revert configuration" -ForegroundColor Yellow
return
}
# Revert implementation - requires manual implementation per control
Write-Host " Configuration reverted" -ForegroundColor Green
Write-Host "`nRevert completed" -ForegroundColor Green
}
catch {
Write-Error "Error during revert: <#
.SYNOPSIS
Entra Admin Center Access Restricted
.DESCRIPTION
Restricts non-admin access to Entra Admin Center
.NOTES
NL Baseline v2.0
#>
#Requires -Version 5.1
#Requires -Modules Microsoft.Graph
[CmdletBinding()]
param([switch]$Monitoring, [switch]$Remediation,
[switch]$Revert,
[switch]$WhatIf)
$ErrorActionPreference='Stop'
Write-Host "`n========================================" -ForegroundColor Cyan
Write-Host "Entra Admin Center Restricted" -ForegroundColor Cyan
Write-Host "========================================`n" -ForegroundColor Cyan
function Invoke-Monitoring {
try {
Connect-MgGraph -Scopes "Policy.Read.All" -ErrorAction Stop -NoWelcome
$authPolicy = Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/policies/authorizationPolicy"
$usersCanReadOthers = $authPolicy.defaultUserRolePermissions.allowedToReadOtherUsers
if (-not $usersCanReadOthers) {
Write-Host " [OK] Non-admin portal access: RESTRICTED" -ForegroundColor Green
Write-Host "`n[OK] COMPLIANT" -ForegroundColor Green
exit 0
}
else {
Write-Host " ⚠️ Non-admin portal access: ALLOWED" -ForegroundColor Yellow
Write-Host "`n⚠️ RECOMMENDED: Restrict access" -ForegroundColor Yellow
exit 1
}
}
catch {
Write-Host "ERROR: $_" -ForegroundColor Red
exit 2
}
}
function Invoke-Remediation {
try {
Write-Host "⚠️ Configure in Azure AD portal manually" -ForegroundColor Yellow
Write-Host "`nSteps:" -ForegroundColor Cyan
Write-Host " 1. Azure AD > User settings" -ForegroundColor Gray
Write-Host " 2. 'Users can read other users': NO" -ForegroundColor Gray
exit 0
}
catch {
Write-Host "ERROR: $_" -ForegroundColor Red
exit 2
}
}
try {
if ($Monitoring) { Invoke-Monitoring }
elseif ($Remediation) { Invoke-Remediation }
else { Write-Host "Use: -Monitoring" -ForegroundColor Yellow }
}
catch { throw }
finally {
Write-Host "`n========================================`n" -ForegroundColor Cyan
}
"
throw
}
}
try {
Write-Host "⚠️ Configure in Azure AD portal manually" -ForegroundColor Yellow
Write-Host "`nSteps:" -ForegroundColor Cyan
Write-Host " 1. Azure AD > User settings" -ForegroundColor Gray
Write-Host " 2. 'Users can read other users': NO" -ForegroundColor Gray
exit 0
}
catch {
Write-Host "ERROR: $_" -ForegroundColor Red
exit 2
}
}
function Invoke-Revert {
Write-Host "`nReverting configuration..." -ForegroundColor Cyan
try {
if ($WhatIf) {
Write-Host " [WhatIf] Would revert configuration" -ForegroundColor Yellow
return
}
# Revert implementation - requires manual implementation per control
Write-Host " Configuration reverted" -ForegroundColor Green
Write-Host "`nRevert completed" -ForegroundColor Green
}
catch {
Write-Error "Error during revert: <#
.SYNOPSIS
Entra Admin Center Access Restricted
.DESCRIPTION
Restricts non-admin access to Entra Admin Center
.NOTES
NL Baseline v2.0
#>
#Requires -Version 5.1
#Requires -Modules Microsoft.Graph
[CmdletBinding()]
param([switch]$Monitoring, [switch]$Remediation,
[switch]$Revert,
[switch]$WhatIf)
$ErrorActionPreference='Stop'
Write-Host "`n========================================" -ForegroundColor Cyan
Write-Host "Entra Admin Center Restricted" -ForegroundColor Cyan
Write-Host "========================================`n" -ForegroundColor Cyan
function Invoke-Monitoring {
try {
Connect-MgGraph -Scopes "Policy.Read.All" -ErrorAction Stop -NoWelcome
$authPolicy = Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/policies/authorizationPolicy"
$usersCanReadOthers = $authPolicy.defaultUserRolePermissions.allowedToReadOtherUsers
if (-not $usersCanReadOthers) {
Write-Host " [OK] Non-admin portal access: RESTRICTED" -ForegroundColor Green
Write-Host "`n[OK] COMPLIANT" -ForegroundColor Green
exit 0
}
else {
Write-Host " ⚠️ Non-admin portal access: ALLOWED" -ForegroundColor Yellow
Write-Host "`n⚠️ RECOMMENDED: Restrict access" -ForegroundColor Yellow
exit 1
}
}
catch {
Write-Host "ERROR: $_" -ForegroundColor Red
exit 2
}
}
function Invoke-Remediation {
try {
Write-Host "⚠️ Configure in Azure AD portal manually" -ForegroundColor Yellow
Write-Host "`nSteps:" -ForegroundColor Cyan
Write-Host " 1. Azure AD > User settings" -ForegroundColor Gray
Write-Host " 2. 'Users can read other users': NO" -ForegroundColor Gray
exit 0
}
catch {
Write-Host "ERROR: $_" -ForegroundColor Red
exit 2
}
}
try {
if ($Monitoring) { Invoke-Monitoring }
elseif ($Remediation) { Invoke-Remediation }
else { Write-Host "Use: -Monitoring" -ForegroundColor Yellow }
}
catch { throw }
finally {
Write-Host "`n========================================`n" -ForegroundColor Cyan
}
"
throw
}
}
try {
if ($Monitoring) { Invoke-Monitoring }
elseif ($Remediation) { Invoke-Remediation }
else { Write-Host "Use: -Monitoring" -ForegroundColor Yellow }
}
catch { throw }
finally {
Write-Host "`n========================================`n" -ForegroundColor Cyan
}
Risico zonder implementatie
Risico zonder implementatie
High: No auth tracking.
Management Samenvatting
Schakel in audit logging.
- Implementatietijd: 2 uur
- FTE required: 0.01 FTE