LSASS Driver Mitigation
On Windows 8.1 and Server 2012 R2, enable LSA Protection by setting the Registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\RunAsPPL to dword:00000001 . (Citation: Microsoft LSA Protection Mar 2014) LSA Protection ensures that LSA plug-ins and drivers are only loaded if they are digitally signed with a Microsoft signature and adhere to the Microsoft Security Development Lifecycle (SDL) process guidance. On Windows 10 and Server 2016, enable Windows Defender Credential Guard (Citation: Microsoft Enable Cred Guard April 2017) to run lsass.exe in an isolated virtualized environment without any device drivers. (Citation: Microsoft Credential Guard April 2017) Ensure safe DLL search mode is enabled HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\SafeDllSearchMode to mitigate risk that lsass.exe loads a malicious code library. (Citation: Microsoft DLL Security)
Confidence
On Windows 8.1 and Server 2012 R2, enable LSA Protection by setting the Registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\RunAsPPL to dword:00000001 . (Citation: Microsoft LSA Protection Mar 2014) LSA Protection ensures that LSA plug-ins and drivers are only loaded if they are digitally signed with a Microsoft signature and adhere to the Microsoft Security Development Lifecycle (SDL) process guidance. On Windows 10 and Server 2016, enable Windows Defender Credential Guard (Citation: Microsoft Enable Cred Guard April 2017) to run lsass.exe in an isolated virtualized environment without any device drivers. (Citation: Microsoft Credential Guard April 2017) Ensure safe DLL search mode is enabled HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\SafeDllSearchMode to mitigate risk that lsass.exe loads a malicious code library. (Citation: Microsoft DLL Security)
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