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Storage Account – Disable Blob Public Access
Secure Configuration Checks > Azure
This check ensures that public access to Azure Blob containers is disabled. Disabling blob public access prevents unauthorized users from accessing sensitive data over the internet.
Check Details
- Resource: Storage Account
- Check: Disable Blob Public Access
- Risk: If blob public access is enabled, containers and blobs may be exposed to the public internet, leading to data leaks or compliance violations.
Remediation via Azure Portal
-
Log in to the Azure Portal.
-
Navigate to Storage Accounts and select the target
storage account.
-
From the left menu, go to Configuration under
Settings.
-
Locate Allow Blob anonymous access and set it to
Disabled.
- Click Save to apply the changes.
- Additionally, go to Containers under Data storage.
- For each container, select Change access level and ensure it is set to Private (no anonymous access).
Remediation via Azure CLI
-
Open Azure Cloud Shell.
-
Run the following command to disable blob public access:
az storage account update \ --name <storage-account-name> \ --resource-group <resource-group-name> \ --allow-blob-public-access false
This command ensures that blob containers in the storage account cannot be accessed anonymously over the internet.
Updated on 17 February, 2026