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Microsoft has released an advanced deployment guide for Entra ID Conditional Access, along with a detailed video walkthrough. This guide is essential for cybersecurity professionals managing identity and access in enterprise environments.
🔗 Reference: Entra ID Conditional Access Deployment Guide
You Should Know:
Key Commands & Configurations for Conditional Access Policies
1. Enable MFA for High-Risk Logins (Azure CLI)
az login
az account set --subscription "Your-Subscription-ID"
az ad conditional-access policy create --display-name "Require MFA for Admins" --state enabled --conditions "{\"applications\":{\"includeApplications\":[\"All\"]},\"users\":{\"includeUsers\":[\"All\"]},\"locations\":{\"includeLocations\":[\"All\"]}}" --grant-controls "{\"operator\":\"OR\",\"builtInControls\":[\"mfa\"]}"
2. Block Legacy Authentication (PowerShell)
Connect-AzureAD
New-AzureADPolicy -Definition @('{"ConditionalAccessPolicy":{"Conditions":{"ClientAppTypes":{"Include":["ExchangeActiveSync","Other"]}},"GrantControls":{"Operator":"OR","BuiltInControls":["Block"]}}') -DisplayName "Block Legacy Auth" -State "Enabled"
3. Restrict Access by Country (Azure Portal Steps)
- Go to Azure AD → Security → Conditional Access
- Create a new policy named “Geo-Block Non-Approved Countries”
3. Under Conditions → Locations, exclude trusted countries.
4. Under Access Controls → Block
- Session Control for Risky Sign-ins (Kusto Query for Log Analytics)
[kql]
SigninLogs
| where RiskDetail == “aiConfirmedSigninSafe”
| project UserPrincipalName, IPAddress, RiskLevel
[/kql]
5. Automate Policy Deployment via Terraform
[hcl]
resource “azuread_conditional_access_policy” “mfa_policy” {
display_name = “Global MFA Enforcement”
state = “enabled”
conditions {
applications {
included_applications = [“All”]
}
users {
included_users = [“All”]
}
}
grant_controls {
operator = “OR”
built_in_controls = [“mfa”]
}
}
[/hcl]
What Undercode Say:
Conditional Access is a cornerstone of Zero Trust, ensuring only authorized users access resources under strict policies. Implementing MFA, geo-blocking, and session controls minimizes breaches. Automation via Terraform, PowerShell, and Azure CLI ensures consistency.
🔹 Critical Linux Security Command:
sudo fail2ban-client status sshd # Monitor brute-force attacks
🔹 Windows Incident Response:
Get-WinEvent -FilterHashtable @{LogName='Security'; ID=4625} # Check failed logins
🔹 Network Hardening:
iptables -A INPUT -p tcp --dport 22 -m conntrack --ctstate NEW -m recent --set iptables -A INPUT -p tcp --dport 22 -m conntrack --ctstate NEW -m recent --update --seconds 60 --hitcount 4 -j DROP
Expected Output:
✅ Deployed Conditional Access Policies
✅ Blocked Legacy Authentication
✅ Enabled Geo-Based Restrictions
✅ Automated Policy Management
For full details, visit: Entra ID Conditional Access Guide.
References:
Reported By: Bbaldock New – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
