💼 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 dialin no bypass lobby via Microsoft Intune apparaat configuratie beleid of compliance policies om Windows endpoints te beveiligen volgens security best practices.
Vereisten
m365
Implementatie
Gebruik PowerShell-script dialin-no-bypass-lobby.ps1 (functie Invoke-Monitoring) – Monitoren.
monitoring
Gebruik PowerShell-script dialin-no-bypass-lobby.ps1 (functie Invoke-Monitoring) – Controleren.
Remediatie
Gebruik PowerShell-script dialin-no-bypass-lobby.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
Dial-in Users Cannot Bypass Lobby
.DESCRIPTION
Prevents dial-in users from bypassing the meeting lobby for enhanced security
.NOTES
NL Baseline v2.0
#>
#Requires -Version 5.1
#Requires -Modules MicrosoftTeams
[CmdletBinding()]
param([switch]$Monitoring)
$ErrorActionPreference = 'Stop'
Write-Host "`n========================================" -ForegroundColor Cyan
Write-Host "Dial-in No Bypass Lobby" -ForegroundColor Cyan
Write-Host "========================================`n" -ForegroundColor Cyan
function Invoke-Monitoring {
try {
Connect-MicrosoftTeams -ErrorAction Stop
$policy = Get-CsTeamsMeetingPolicy -Identity Global
$result = @{
isCompliant = (-not $policy.AllowPSTNUsersToBypassLobby)
setting = $policy.AllowPSTNUsersToBypassLobby
}
Write-Host " Dial-in Bypass Lobby: $(if($result.setting){'ALLOWED'}else{'BLOCKED'})" -ForegroundColor $(
if (-not $result.setting) { 'Green' }else { 'Red' }
)
Write-Host "`n Security Benefits:" -ForegroundColor Cyan
Write-Host " • Prevents unauthorized meeting access" -ForegroundColor Gray
Write-Host " • Maintains meeting security" -ForegroundColor Gray
Write-Host " • Reduces security risks" -ForegroundColor Gray
Write-Host " • Ensures proper authentication" -ForegroundColor Gray
if ($result.isCompliant) {
Write-Host "`n[OK] COMPLIANT - Dial-in lobby bypass blocked" -ForegroundColor Green
exit 0
}
else {
Write-Host "`n[FAIL] NON-COMPLIANT - Dial-in lobby bypass allowed!" -ForegroundColor Red
exit 1
}
}
catch {
Write-Host "ERROR: $_" -ForegroundColor Red
exit 2
}
}
try {
if ($Monitoring) { Invoke-Monitoring }
else { Write-Host "Use: -Monitoring" -ForegroundColor Yellow }
}
catch { throw }
finally {
Write-Host "`n========================================`n" -ForegroundColor Cyan
}
function Invoke-Remediation {
<#
.SYNOPSIS
Herstelt de configuratie naar de gewenste staat
.DESCRIPTION
Dit is een monitoring-only control, remediation delegeert naar monitoring
#>
[CmdletBinding()]
param()
Write-Host "[INFO] Dit is een monitoring-only control" -ForegroundColor Yellow
Write-Host "[INFO] Running monitoring check..." -ForegroundColor Cyan
Invoke-Monitoring
}
Risico zonder implementatie
Risico zonder implementatie
High: No auth tracking.
Management Samenvatting
Schakel in audit logging.
- Implementatietijd: 2 uur
- FTE required: 0.01 FTE