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Windows 10 new preboot security features

There’s a few new preboot-related features in recent builds of Microsoft Windows, excerpt of some of them below.

New features in Windows 10, version 1511:
* Credential Guard: Enable Credential Guard without UEFI lock. You can enable Credential Guard by using the registry. This allows you to disable Credential Guard remotely. However, we recommend that Credential Guard is enabled with UEFI lock. You can configure this by using Group Policy.
* Bitlocker: DMA port protection. You can use the DataProtection/AllowDirectMemoryAccess MDM policy to block DMA ports when the device is starting up. Also, when a device is locked, all unused DMA ports are turned off, but any devices that are already plugged into a DMA port will continue to work. When the device is unlocked, all DMA ports are turned back on.

* Bitlocker: New Group Policy for configuring pre-boot recovery. You can now configure the pre-boot recovery message and recover URL that is shown on the pre-boot recovery screen. For more info, see the Configure pre-boot recovery message and URL section in “BitLocker Group Policy settings.”
* New BCD events: Event ID 4826 has been added to track the following changes to the Boot Configuration Database (BCD): DEP/NEX settings, Test signing, PCAT SB simulation, Debug, Boot debug, Integrity Services, Disable Winload debugging menu
* New PNP events:  Event ID 6416 has been added to track when an external device is detected through Plug and Play. One important scenario is if an external device that contains malware is inserted into a high-value machine that doesn’t expect this type of action, such as a domain controller.
* TPM: Key Storage Providers (KSPs) and srvcrypt support elliptical curve cryptography (ECC).
* TPM: The following sections describe the new and changed functionality in the TPM for Windows 10: Device health attestation, Microsoft Passport support, Device Guard support, Credential Guard support […]

https://docs.microsoft.com/en-us/windows/whats-new/whats-new-windows-10-version-1507-and-1511
https://technet.microsoft.com/en-us/windows/release-info

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