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ayohrling / local_security_policy

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18.8.14.1 Ensure 'Boot-Start Driver Initialization Policy' is set to 'Enabled: Good, unknown and bad but critical' #63

Open pillarsdotnet opened 5 years ago

pillarsdotnet commented 5 years ago

18.8.14.1 Ensure 'Boot-Start Driver Initialization Policy' is set to 'Enabled: Good, unknown and bad but critical'

Info

This policy setting allows you to specify which boot-start drivers are initialized based on a classification determined by an Early Launch Antimalware boot-start driver. The Early Launch Antimalware boot-start driver can return the following classifications for each boot-start driver:

  • 'Good': The driver has been signed and has not been tampered with.
  • 'Bad': The driver has been identified as malware. It is recommended that you do not allow known bad drivers to be initialized.
  • 'Bad, but required for boot': The driver has been identified as malware, but the computer cannot successfully boot without loading this driver.
  • 'Unknown': This driver has not been attested to by your malware detection application and has not been classified by the Early Launch Antimalware boot-start driver. If you enable this policy setting you will be able to choose which boot-start drivers to initialize the next time the computer is started. If your malware detection application does not include an Early Launch Antimalware boot-start driver or if your Early Launch Antimalware boot-start driver has been disabled, this setting has no effect and all boot-start drivers are initialized. The recommended state for this setting is: 'Enabled: Good, unknown and bad but critical'. Rationale: This policy setting helps reduce the impact of malware that has already infected your system.

Solution

To establish the recommended configuration via GP, set the following UI path to 'Enabled:' 'Good, unknown and bad but critical:' Computer Configuration\Policies\Administrative Templates\System\Early Launch Antimalware\Boot-Start Driver Initialization Policy Note: This Group Policy path may not exist by default. It is provided by the Group Policy template 'EarlyLaunchAM.admx/adml' that is included with the Microsoft Windows 8.0 & Server 2012 (non-R2) Administrative Templates (or newer). Impact: None - this is the default behavior.

See Boot-Start Driver Initialization Policy