|**Suspicious external operation to an Azure storage account with overly permissive SAS token (Preview)**<br>Storage.Blob_AccountSas.UnusualOperationFromExternalIp| The alert indicates that someone with an external (public) IP address accessed the storage account using an overly permissive SAS token with a long expiration date. The access is considered suspicious because operations invoked outside your network (not from private IP addresses) with this SAS token are typically used for a specific set of Read/Write/Delete operations, but other operations occurred, which makes this access suspicious. <br>This activity may indicate that a SAS token has been leaked by a malicious actor or leaked unintentionally from a legitimate source. <br>Even if the access is legitimate, using a high-permission SAS token with a long expiration date goes against security best practices and poses a potential security risk. <br>Applies to: Azure Blob (Standard general-purpose v2, Azure Data Lake Storage Gen2 or premium block blobs) storage accounts with the new Defender for Storage plan. | Exfiltration / Resource Development / Impact | Medium |
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