-|WDigest Authentication<br /><sub>(AZ-WIN-73497)</sub> |**Description**: When WDigest authentication is enabled, Lsass.exe retains a copy of the user's plaintext password in memory, where it can be at risk of theft. If this setting is not configured, WDigest authentication is disabled in Windows 8.1 and in Windows Server 2012 R2; it is enabled by default in earlier versions of Windows and Windows Server. For more information about local accounts and credential theft, review the "[Mitigating Pass-the-Hash (PtH) Attacks and Other Credential Theft Techniques](http://www.microsoft.com/download/details.aspx?id=36036)" documents. For more information about `UseLogonCredential`, see Microsoft Knowledge Base article 2871997: [Microsoft Security Advisory Update to improve credentials protection and management May 13, 2014](https://support.microsoft.com/en-us/kb/2871997). The recommended state for this setting is: `Disabled`.<br />**Key Path**: SYSTEM\CurrentControlSet\Control\SecurityProviders\WDigest\UseLogonCredential<br />**OS**: WS2016, WS2019<br />**Server Type**: Domain Controller, Domain Member, Workgroup Member |\= 0<br /><sub>(Registry)</sub> |Important |
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