Monitor Storage for Security Events with Azure Monitor

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Monitor Storage for Security Events with Azure Monitor

The Azure Monitor Logs feature of Azure Monitor collects, stores, and organizes log and performance data from monitored resources. In this lab, you will enable diagnostic settings on a storage account to send Blob storage logs to a Log Analytics workspace. You will also use Azure Monitor Logs to query for anonymous access to blobs and create an Azure Monitor alert to notify you when anonymous access to a storage account is logged.

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Lab Info

Level

Intermediate

Last updated

Sep 24, 2025

Duration

45m

Challenge

Configure Diagnostic Settings
- Configure diagnostic settings on the existing storage account to send Blob service logs to the existing Log Analytics workspace for the following categories:
  
  Storage Read
  
  Storage Write
  
  Storage Delete
Challenge

Perform Anonymous Access
IMPORTANT: Do not upload a file that contains confidential or private information.
- Upload a test file to the data container and access the file anonymously.
Challenge

Query Azure Monitor Logs
- Write a query using Azure Monitor Log Analytics to determine if anonymous access has been recorded against the storage account:
  StorageBlobLogs | where AuthenticationType == 'Anonymous' and StatusCode == 200
Challenge

Create an Azure Monitor Alert
1. Use Azure Monitor alerts to create an alert for anonymous access. Name the alert Anonymous Blob Access.
2. Access the test file anonymously again.
3. View the alert in Azure Monitor.

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