Teams: Disable Skype For Business Communication

<# .SYNOPSIS Skype Communication Disabled .DESCRIPTION Disables Skype for Business federation to reduce security risks .NOTES NL Baseline v2.0 Legacy Skype connectivity is deprecated #> #Requires -Version 5.1 #Requires -Modules MicrosoftTeams [CmdletBinding()] param([switch]$Monitoring) $ErrorActionPreference = 'Stop' Write-Host "`n========================================" -ForegroundColor Cyan Write-Host "Skype Communication Disabled" -ForegroundColor Cyan Write-Host "========================================`n" -ForegroundColor Cyan function Invoke-Monitoring { try { Connect-MicrosoftTeams -ErrorAction Stop $config = Get-CsTenantFederationConfiguration $result = @{ isCompliant = (-not $config.AllowPublicUsers) allowSkype = $config.AllowPublicUsers } Write-Host " Skype for Business Federation: $(if($result.allowSkype){'ENABLED'}else{'DISABLED'})" -ForegroundColor $( if (-not $result.allowSkype) { 'Green' }else { 'Yellow' } ) Write-Host "`n Security Benefits:" -ForegroundColor Cyan Write-Host " • Reduces attack surface" -ForegroundColor Gray Write-Host " • Prevents legacy protocol vulnerabilities" -ForegroundColor Gray Write-Host " • Maintains modern security standards" -ForegroundColor Gray Write-Host " • Reduces security risks" -ForegroundColor Gray Write-Host "`n Note: Legacy Skype connectivity is deprecated" -ForegroundColor Gray if ($result.isCompliant) { Write-Host "`n[OK] COMPLIANT - Skype federation disabled" -ForegroundColor Green exit 0 } else { Write-Host "`n[FAIL] NON-COMPLIANT - Skype federation enabled!" -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 }