Connection7/31/2023 ![]() ![]() For more information, see Prevent Shared Key authorization for an Azure Storage account. Shared key access should be disabled if not required to prevent its inadvertent use. For Azure Files over REST, SAS tokens can be used. Kerberos or SMTP should be used for Azure Files over SMB. Azure AD based authorization should be used for scenarios that support OAuth. Granular access to data with least privileges necessary is recommended as a security best practice. To prevent users from accessing data in your storage account with Shared Key, you can disallow Shared Key authorization for the storage account. For SMB Azure file shares, Microsoft recommends using on-premises Active Directory Domain Services (AD DS) integration or Azure AD Kerberos authentication. For more information about using Azure AD authorization from your applications, see How to authenticate. Authorization with Azure AD provides superior security and ease of use over Shared Key authorization. Microsoft recommends using Azure Active Directory (Azure AD) to authorize requests against blob, queue, and table data if possible, rather than using the account keys (Shared Key authorization). Rotate your keys if you believe they might have been compromised. ![]() Avoid hard-coding access keys or saving them anywhere in plain text that is accessible to others. ![]() Use SAS tokens with limited scope of access in scenarios where Azure AD based authorization can't be used. Access to shared keys should be carefully limited and monitored. Access to the shared key grants a user full access to a storage account’s configuration and its data. Use Azure Key Vault to manage and rotate your keys securely. Always be careful to protect your access keys. Storage account access keys provide full access to the configuration of a storage account, as well as the data. To learn how to view your account access keys and copy a connection string, see Manage storage account access keys. Access specified resources in Azure via a shared access signature (SAS).Connect to the Azurite storage emulator.A connection string includes the authorization information required for your application to access data in an Azure Storage account at runtime using Shared Key authorization. ![]()
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