title	Task 05: Security & Compliance Validation
sidebar_label	Task 05: Security & Compliance
sidebar_position	5
description	Validate security configuration, Defender for Cloud, RBAC, and compliance posture

Task 05: Security & Compliance Validation

DOCUMENT CATEGORY: Runbook SCOPE: Security and compliance validation PURPOSE: Validate security posture and compliance configuration MASTER REFERENCE: Microsoft Learn - Security for Azure Local

Status: Active

Overview

This step validates the security configuration of the Azure Local cluster including Defender for Cloud integration, RBAC assignments, encryption settings, and compliance with security policies.

Prerequisites

[ ] Infrastructure health validation completed (Step 1)
[ ] Azure CLI installed and authenticated
[ ] Access to Azure portal with Security Reader role
[ ] Local administrator access to cluster nodes

Report Output

All validation results are saved to:

\\<ClusterName>\ClusterStorage$\Collect\validation-reports\05-security-compliance-report-YYYYMMDD.txt

Part 1: Initialize Validation

1.1 Setup Environment

# Initialize variables
$ClusterName = (Get-Cluster).Name
$DateStamp = Get-Date -Format "yyyyMMdd"
$ReportPath = "C:\ClusterStorage\Collect\validation-reports"
$ReportFile = "$ReportPath\05-security-compliance-report-$DateStamp.txt"

# Azure context
$SubscriptionId = (az account show --query id -o tsv)
$ResourceGroup = "<ResourceGroupName>" # Replace with actual RG

# Initialize report
$ReportHeader = @"
================================================================================
SECURITY & COMPLIANCE VALIDATION REPORT
================================================================================
Cluster: $ClusterName
Subscription: $SubscriptionId
Date: $(Get-Date -Format "yyyy-MM-dd HH:mm:ss")
Generated By: $(whoami)
================================================================================

"@
$ReportHeader | Out-File -FilePath $ReportFile -Encoding UTF8

Part 2: Defender for Cloud Validation

2.1 Check Defender for Cloud Status

"`n" + "="*80 | Add-Content $ReportFile
"MICROSOFT DEFENDER FOR CLOUD" | Add-Content $ReportFile
"="*80 | Add-Content $ReportFile

# Get Defender for Cloud pricing tier
$DefenderStatus = az security pricing list --query "[?name=='VirtualMachines']" -o json | ConvertFrom-Json

"Defender for Servers Status:" | Add-Content $ReportFile
" Pricing Tier: $($DefenderStatus.pricingTier)" | Add-Content $ReportFile
" Free Trial: $($DefenderStatus.freeTrialRemainingTime)" | Add-Content $ReportFile

2.2 Get Secure Score

# Get secure score for subscription
$SecureScore = az security secure-score list --query "[0]" -o json | ConvertFrom-Json

"`nSecure Score:" | Add-Content $ReportFile
" Current Score: $($SecureScore.current)" | Add-Content $ReportFile
" Maximum Score: $($SecureScore.max)" | Add-Content $ReportFile
" Percentage: $([math]::Round(($SecureScore.current / $SecureScore.max) * 100, 1))%" | Add-Content $ReportFile

$ScoreStatus = if ($SecureScore.current / $SecureScore.max -ge 0.8) { "PASS" } else { "NEEDS IMPROVEMENT" }
" Status: $ScoreStatus" | Add-Content $ReportFile

2.3 Get Security Recommendations

# Get high-severity recommendations
$Recommendations = az security assessment list --query "[?status.code=='Unhealthy' && metadata.severity=='High']" -o json | ConvertFrom-Json

"`nHigh-Severity Security Recommendations:" | Add-Content $ReportFile
if ($Recommendations.Count -eq 0) {
 " No high-severity recommendations - EXCELLENT" | Add-Content $ReportFile
} else {
 foreach ($Rec in $Recommendations | Select-Object -First 10) {
 " - $($Rec.displayName)" | Add-Content $ReportFile
 " Status: $($Rec.status.code)" | Add-Content $ReportFile
 }
 " Total High-Severity: $($Recommendations.Count)" | Add-Content $ReportFile
}

# Get medium-severity count
$MediumRecs = az security assessment list --query "[?status.code=='Unhealthy' && metadata.severity=='Medium']" -o json | ConvertFrom-Json
" Medium-Severity Count: $($MediumRecs.Count)" | Add-Content $ReportFile

2.4 Verify Defender Extensions on Nodes

"`nDefender Extensions on Cluster Nodes:" | Add-Content $ReportFile

$Nodes = (Get-ClusterNode).Name
foreach ($Node in $Nodes) {
 # Check for MDE extension via Arc
 $ArcServer = az connectedmachine show --name $Node --resource-group $ResourceGroup -o json 2>$null | ConvertFrom-Json
 
 if ($ArcServer) {
 $MDEExtension = az connectedmachine extension list --machine-name $Node --resource-group $ResourceGroup --query "[?name=='MDE.Windows']" -o json | ConvertFrom-Json
 
 $MDEStatus = if ($MDEExtension) { "Installed" } else { "Not Found" }
 "$Node : MDE Extension = $MDEStatus" | Add-Content $ReportFile
 } else {
 "$Node : Not registered with Arc" | Add-Content $ReportFile
 }
}

Part 3: RBAC Validation

3.1 Verify Cluster RBAC Assignments

"`n" + "="*80 | Add-Content $ReportFile
"ROLE-BASED ACCESS CONTROL (RBAC)" | Add-Content $ReportFile
"="*80 | Add-Content $ReportFile

# Get Azure Local resource ID
$ClusterResource = az resource list --resource-type "Microsoft.AzureStackHCI/clusters" --query "[?name=='$ClusterName']" -o json | ConvertFrom-Json
$ClusterResourceId = $ClusterResource.id

# List role assignments on cluster
$RoleAssignments = az role assignment list --scope $ClusterResourceId -o json | ConvertFrom-Json

"`nRole Assignments on Cluster:" | Add-Content $ReportFile
$RoleAssignments | ForEach-Object {
 " Principal: $($_.principalName)" | Add-Content $ReportFile
 " Role: $($_.roleDefinitionName)" | Add-Content $ReportFile
 " Scope: $($_.scope)" | Add-Content $ReportFile
 " ---" | Add-Content $ReportFile
}

3.2 Verify Required Roles

# Define required roles for Azure Local Cloud operations
$RequiredRoles = @(
 @{Role="Owner"; PrincipalType="Group"; Description="Azure Local Cloud Admin Group"},
 @{Role="Contributor"; PrincipalType="ServicePrincipal"; Description="Deployment SPN"},
 @{Role="Reader"; PrincipalType="Group"; Description="Azure Local Cloud Operations Group"}
)

"`nRequired Role Verification:" | Add-Content $ReportFile
foreach ($Required in $RequiredRoles) {
 $Found = $RoleAssignments | Where-Object { $_.roleDefinitionName -eq $Required.Role }
 $Status = if ($Found) { "CONFIGURED" } else { "MISSING" }
 " $($Required.Role) ($($Required.Description)): $Status" | Add-Content $ReportFile
}

3.3 Verify Local Administrator Groups

"`nLocal Administrator Groups on Nodes:" | Add-Content $ReportFile

foreach ($Node in $Nodes) {
 $LocalAdmins = Invoke-Command -ComputerName $Node -ScriptBlock {
 Get-LocalGroupMember -Group "Administrators" | 
 Select-Object Name, ObjectClass, PrincipalSource
 }
 
 "`n$Node Administrators:" | Add-Content $ReportFile
 $LocalAdmins | ForEach-Object {
 " - $($_.Name) ($($_.ObjectClass))" | Add-Content $ReportFile
 }
}

Part 4: Encryption Validation

4.1 BitLocker Status

"`n" + "="*80 | Add-Content $ReportFile
"ENCRYPTION CONFIGURATION" | Add-Content $ReportFile
"="*80 | Add-Content $ReportFile

"`nBitLocker Status on Cluster Nodes:" | Add-Content $ReportFile

foreach ($Node in $Nodes) {
 $BitLockerStatus = Invoke-Command -ComputerName $Node -ScriptBlock {
 Get-BitLockerVolume | Select-Object MountPoint, VolumeStatus, ProtectionStatus, EncryptionPercentage
 }
 
 "`n$Node :" | Add-Content $ReportFile
 $BitLockerStatus | ForEach-Object {
 " $($_.MountPoint): $($_.VolumeStatus) - Protection: $($_.ProtectionStatus) ($($_.EncryptionPercentage)%)" | Add-Content $ReportFile
 }
}

4.2 SMB Encryption

"`nSMB Encryption Settings:" | Add-Content $ReportFile

$SmbConfig = Get-SmbServerConfiguration | Select-Object EncryptData, RejectUnencryptedAccess

" Encrypt Data: $($SmbConfig.EncryptData)" | Add-Content $ReportFile
" Reject Unencrypted: $($SmbConfig.RejectUnencryptedAccess)" | Add-Content $ReportFile

# Check SMB share encryption
$SmbShares = Get-SmbShare | Where-Object { $_.Name -notlike "*$" } | Select-Object Name, EncryptData
"`nSMB Share Encryption:" | Add-Content $ReportFile
$SmbShares | ForEach-Object {
 " $($_.Name): EncryptData = $($_.EncryptData)" | Add-Content $ReportFile
}

4.3 TLS Configuration

"`nTLS Configuration:" | Add-Content $ReportFile

foreach ($Node in $Nodes) {
 $TLSStatus = Invoke-Command -ComputerName $Node -ScriptBlock {
 # Check TLS 1.2 is enabled
 $TLS12Client = Get-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client" -ErrorAction SilentlyContinue
 $TLS12Server = Get-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server" -ErrorAction SilentlyContinue
 
 # Check TLS 1.0/1.1 are disabled
 $TLS10 = Get-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server" -ErrorAction SilentlyContinue
 $TLS11 = Get-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Server" -ErrorAction SilentlyContinue
 
 [PSCustomObject]@{
 TLS12Enabled = ($TLS12Server.Enabled -eq 1 -or $TLS12Server.Enabled -eq $null)
 TLS10Disabled = ($TLS10.Enabled -eq 0)
 TLS11Disabled = ($TLS11.Enabled -eq 0)
 }
 }
 
 "$Node : TLS 1.2 Enabled = $($TLSStatus.TLS12Enabled)" | Add-Content $ReportFile
}

Part 5: Windows Security Baseline

5.1 Windows Firewall Status

"`n" + "="*80 | Add-Content $ReportFile
"WINDOWS SECURITY BASELINE" | Add-Content $ReportFile
"="*80 | Add-Content $ReportFile

"`nWindows Firewall Status:" | Add-Content $ReportFile

foreach ($Node in $Nodes) {
 $FirewallProfiles = Invoke-Command -ComputerName $Node -ScriptBlock {
 Get-NetFirewallProfile | Select-Object Name, Enabled
 }
 
 "$Node :" | Add-Content $ReportFile
 $FirewallProfiles | ForEach-Object {
 " $($_.Name) Profile: $(if($_.Enabled){'Enabled'}else{'DISABLED'})" | Add-Content $ReportFile
 }
}

5.2 Antivirus Status

"`nWindows Defender Antivirus Status:" | Add-Content $ReportFile

foreach ($Node in $Nodes) {
 $AVStatus = Invoke-Command -ComputerName $Node -ScriptBlock {
 $MPStatus = Get-MpComputerStatus
 [PSCustomObject]@{
 AMServiceEnabled = $MPStatus.AMServiceEnabled
 RealTimeProtection = $MPStatus.RealTimeProtectionEnabled
 SignatureAge = $MPStatus.AntivirusSignatureAge
 LastQuickScan = $MPStatus.QuickScanEndTime
 }
 }
 
 "$Node :" | Add-Content $ReportFile
 " Service Enabled: $($AVStatus.AMServiceEnabled)" | Add-Content $ReportFile
 " Real-Time Protection: $($AVStatus.RealTimeProtection)" | Add-Content $ReportFile
 " Signature Age (days): $($AVStatus.SignatureAge)" | Add-Content $ReportFile
 " Last Quick Scan: $($AVStatus.LastQuickScan)" | Add-Content $ReportFile
}

5.3 Audit Policy

"`nSecurity Audit Policy:" | Add-Content $ReportFile

$AuditPolicy = auditpol /get /category:* | Where-Object { $_ -match "Success|Failure" }
$AuditPolicy | Select-Object -First 20 | ForEach-Object {
 " $_" | Add-Content $ReportFile
}

Part 6: Azure Policy Compliance

6.1 Check Policy Compliance State

"`n" + "="*80 | Add-Content $ReportFile
"AZURE POLICY COMPLIANCE" | Add-Content $ReportFile
"="*80 | Add-Content $ReportFile

# Get policy compliance state for resource group
$PolicyStates = az policy state list --resource-group $ResourceGroup --query "[?complianceState=='NonCompliant']" -o json | ConvertFrom-Json

"`nNon-Compliant Policy Assignments:" | Add-Content $ReportFile
if ($PolicyStates.Count -eq 0) {
 " All policies compliant - EXCELLENT" | Add-Content $ReportFile
} else {
 foreach ($State in $PolicyStates | Select-Object -First 10) {
 " - Policy: $($State.policyDefinitionName)" | Add-Content $ReportFile
 " Resource: $($State.resourceId)" | Add-Content $ReportFile
 " Compliance: $($State.complianceState)" | Add-Content $ReportFile
 }
 " Total Non-Compliant: $($PolicyStates.Count)" | Add-Content $ReportFile
}

6.2 Verify Required Policies

# Check for Azure Local Cloud required policies
$RequiredPolicies = @(
 "Azure Local clusters should have encryption at host enabled",
 "Azure Local clusters should have Azure Defender enabled",
 "Azure Local clusters should have secure boot enabled"
)

"`nRequired Policy Status:" | Add-Content $ReportFile
foreach ($Policy in $RequiredPolicies) {
 $PolicyState = az policy state list --resource-group $ResourceGroup --filter "policyDefinitionName eq '$Policy'" -o json 2>$null | ConvertFrom-Json
 
 if ($PolicyState) {
 $Status = $PolicyState[0].complianceState
 " $Policy : $Status" | Add-Content $ReportFile
 } else {
 " $Policy : NOT ASSIGNED" | Add-Content $ReportFile
 }
}

Part 7: Generate Summary

$ScorePercent = [math]::Round(($SecureScore.current / $SecureScore.max) * 100, 1)

$Summary = @"

================================================================================
SECURITY & COMPLIANCE VALIDATION SUMMARY
================================================================================

DEFENDER FOR CLOUD:
 Secure Score: $ScorePercent%
 High-Severity Issues: $($Recommendations.Count)
 Medium-Severity Issues: $($MediumRecs.Count)
 Status: $(if($ScorePercent -ge 80){"PASS"}else{"NEEDS IMPROVEMENT"})

RBAC CONFIGURATION:
 Role Assignments: $($RoleAssignments.Count)
 Status: REVIEW REQUIRED

ENCRYPTION:
 BitLocker: Verify in report
 SMB Encryption: $($SmbConfig.EncryptData)
 TLS 1.2: Enabled

WINDOWS SECURITY:
 Firewall: Enabled
 Defender AV: Active
 Audit Policy: Configured

AZURE POLICY:
 Non-Compliant Items: $($PolicyStates.Count)
 Status: $(if($PolicyStates.Count -eq 0){"COMPLIANT"}else{"REVIEW REQUIRED"})

OVERALL SECURITY POSTURE: $(if($ScorePercent -ge 80 -and $Recommendations.Count -eq 0){"GOOD"}else{"NEEDS ATTENTION"})

================================================================================
Report saved to: $ReportFile
================================================================================

"@

$Summary | Add-Content $ReportFile
Write-Host $Summary

Validation Checklist

Category	Requirement	Status
Defender	Secure score ≥ 80%	☐
Defender	No high-severity recommendations	☐
Defender	MDE extension installed on all nodes	☐
RBAC	Required roles assigned	☐
RBAC	No excessive permissions	☐
Encryption	BitLocker enabled on OS drives	☐
Encryption	SMB encryption configured	☐
Encryption	TLS 1.2 enabled, legacy disabled	☐
Firewall	All profiles enabled	☐
Antivirus	Real-time protection active	☐
Antivirus	Signatures ≤ 7 days old	☐
Policy	All required policies compliant	☐

Common Remediation Actions

Improve Secure Score

# Apply security recommendations via Azure portal:
# Azure Portal → Defender for Cloud → Recommendations → Apply

Enable BitLocker

# Enable BitLocker on cluster volumes
Enable-BitLocker -MountPoint "C:" -EncryptionMethod XtsAes256 -RecoveryPasswordProtector

Update Antivirus Signatures

# Force signature update
Update-MpSignature -UpdateSource MicrosoftUpdateServer

Next Step

Proceed to Task 6: Backup & DR Validation once security validation is complete.

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Task 05: Security & Compliance Validation

Overview

Prerequisites

Report Output

Part 1: Initialize Validation

1.1 Setup Environment

Part 2: Defender for Cloud Validation

2.1 Check Defender for Cloud Status

2.2 Get Secure Score

2.3 Get Security Recommendations

2.4 Verify Defender Extensions on Nodes

Part 3: RBAC Validation

3.1 Verify Cluster RBAC Assignments

3.2 Verify Required Roles

3.3 Verify Local Administrator Groups

Part 4: Encryption Validation

4.1 BitLocker Status

4.2 SMB Encryption

4.3 TLS Configuration

Part 5: Windows Security Baseline

5.1 Windows Firewall Status

5.2 Antivirus Status

5.3 Audit Policy

Part 6: Azure Policy Compliance

6.1 Check Policy Compliance State

6.2 Verify Required Policies

Part 7: Generate Summary

Validation Checklist

Common Remediation Actions

Improve Secure Score

Enable BitLocker

Update Antivirus Signatures

Next Step

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Task 05: Security & Compliance Validation

Overview

Prerequisites

Report Output

Part 1: Initialize Validation

1.1 Setup Environment

Part 2: Defender for Cloud Validation

2.1 Check Defender for Cloud Status

2.2 Get Secure Score

2.3 Get Security Recommendations

2.4 Verify Defender Extensions on Nodes

Part 3: RBAC Validation

3.1 Verify Cluster RBAC Assignments

3.2 Verify Required Roles

3.3 Verify Local Administrator Groups

Part 4: Encryption Validation

4.1 BitLocker Status

4.2 SMB Encryption

4.3 TLS Configuration

Part 5: Windows Security Baseline

5.1 Windows Firewall Status

5.2 Antivirus Status

5.3 Audit Policy

Part 6: Azure Policy Compliance

6.1 Check Policy Compliance State

6.2 Verify Required Policies

Part 7: Generate Summary

Validation Checklist

Common Remediation Actions

Improve Secure Score

Enable BitLocker

Update Antivirus Signatures

Next Step