Azure Monitoring: A Complete Guide to Logs, Tools & Audit Readiness

Monitoring your Azure environment is critical for maintaining security, ensuring compliance, and troubleshooting operational issues. With multiple services generating logs across identities, resources, and workloads, having a clear Azure monitoring strategy is no longer optional.

This guide breaks down how Azure Monitor, native Azure logging tools, and third-party solutions like ADAudit Plus fit together.

What is Azure monitoring?

Azure monitoring refers to the process of collecting, analyzing, and acting on telemetry data from your cloud environment.

Core capabilities include:

• Tracking user and admin activities
• Monitoring resource health and performance
• Detecting suspicious behavior
• Ensuring compliance through Azure audit logging

Why is Azure monitoring required?

As Azure environments grow, visibility becomes fragmented across services, identities, and resources. Without a structured Azure monitoring strategy, critical events can be missed, leading to security, compliance, and operational risks.

Security and threat detection

Cloud environments are constantly exposed to threats. Azure Monitoring Logs, including the Azure Activity Log and Azure Audit Logging, help detect:

• Suspicious sign-ins
• Privilege escalations
• Unauthorized changes

Compliance and audit readiness

Organizations must maintain detailed activity records. With Azure Logging and Azure Logs, teams can:

• Track user and admin actions
• Maintain audit trails
• Support regulatory requirements

Operational visibility

Service disruptions and performance issues need immediate attention. Using Azure Monitor and Azure Monitor Logs, teams can:

• Identify failures early
• Troubleshoot faster
• Maintain service availability

Change tracking and accountability

Frequent changes in cloud environments require clear tracking. The Azure Activity Log provides visibility into:

• Resource modifications
• RBAC changes
• Administrative actions

Cost and resource optimization

Untracked resources can increase cloud spend. With Azure Monitoring Tools and Azure Log Analytics, organizations can:

• Identify unused resources
• Optimize usage
• Control costs

Centralized visibility

Without proper monitoring, longs remain siloed and correlation becomes difficult.

A well-defined Azure monitoring approach ensures all Azure logs are centralized, correlated, and actionable.

Native Azure monitoring tools

Microsoft provides built-in Azure monitoring tools that help collect and analyze logs:

1. Azure Monitor

Azure Monitor is the central platform for collecting and analyzing telemetry data.

It supports:

• Metrics (performance data)
• Azure Monitor Logs (log-based insights)
• Alerts and dashboards

2. Azure Log Analytics

Azure Log Analytics is used to query and analyze Azure monitoring logs.

• Uses Kusto Query Language (KQL)
• Helps correlate events across services
• Stores Azure logs for deeper analysis

3. Azure Activity Log

The Azure Activity Log records control-plane operations such as:

• Resource creation, deletion, modification
• Role-based access control (RBAC) changes
• Subscription-level events

This is a key component of Azure audit logging.

4. Azure Logging (Diagnostics Logs)

Azure logging captures resource-level (data-plane) events:

• VM activity
• Storage access
• Network traffic
• Application logs

These logs complement the Azure activity log for full visibility.

Key Azure Resources to Monitor (Priority-Based)

Not all logs are equal. Focus here first:

High priority (security-critical)

• Microsoft Entra ID (login activity, risky sign-ins)
• Privileged role assignments (RBAC changes)
• Subscription-level changes (via Azure Activity Log)

Medium priority (operational risk)

• VMs (VM health, access logs)
• Storage Accounts (data access, anomalies)
• Network Security Groups (NSG flow logs)

Lower priority (performance & optimization)

• App Services (response time, failures)
• SQL Databases (query performance, deadlocks)
• Resource utilization metrics

Challenges with native Azure monitoring

While Azure Monitor Logs and Azure Log Analytics are powerful, teams often face:

• Complex query language (KQL learning curve)
• Limited out-of-the-box compliance reports
• Log fragmentation across services
• Difficulty in correlating identity, activity, and configuration changes
• Retention and cost constraints

Native tools vs. ADAudit Plus

Best practices for Azure monitoring

• Enable Azure activity log and diagnostic logging across all critical resources
• Send logs to Azure log analytics for centralized querying
• Define alert rules for suspicious activities
• Retain logs based on compliance needs
• Use a third-party tool for better visibility and reporting

Relying solely on native Azure monitoring tools can leave gaps in visibility, especially for security and compliance use cases. While Azure Monitor, Azure monitor logs, and Azure logging provide the foundation, solutions like ADAudit Plus help turn raw Azure monitoring logs into actionable insights.