Ensure stored access policies (SAP) are used when generating shared access signature (SAS) tokens

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It is not currently possible to retrieve a list of all generated SAS tokens to check if they were associated with a SAP during creation. An SAS token that has been created with a SAP will contain an si parameter that references the stored access policy identifier associated with the SAS, e.g. si=<stored-access-policy-identifier>. The si parameter will be absent from an SAS token created without a SAP.

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Remediate from Storage Explorer To create a SAP: 1. In Storage Explorer, expand Storage Accounts. 2. Expand a storage account. 3. Expand Blob Containers, File Shares, Queues, or Tables, and right-click a blob container, file share, queue, or table. 4. Click Manage Stored Access Policies.... 5. Under Access Policies, click Add. 6. Modify the ID, Start time, Expiry time, and permissions appropriately. 7. Click Save. 8. Repeat steps 1-7 as needed to create SAP. When generating SAS, select a SAP from the Access policy drop-down. Remediate from Azure Portal If SAS have been created without a SAP, the SAS can be revoked by regenerating the storage account access keys: Note: Regenerating access keys can affect any applications or Azure services that are dependent on the storage account key. 1. Go to Storage accounts. 2. Click on a storage account. 3. Under Security + networking, click Access keys. 4. Next to each key, click Rotate key. 5. Click Yes to confirm. 6. Repeat steps 1-5 as needed to revoke SAS.