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Windows-Setup/Group Policies/Computer Configuration/Windows Components/Bitlocker Drive Encryption.md
Tommy eeadf80b62
Add PCR 6
Signed-off-by: Tommy <contact@tommytran.io>
2023-11-20 15:46:33 -07:00

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# Bitlocker Drive Encryption
`Computer Configuration\Administrative Templates\Windows Components\Bitlocker Drive Encryption`
Choose drive encryption method and cipher strength (Windows 10 [Version 1511] and later) -> Enable -> XTS-AES 256-bit for operating system, fixed data, and removable drives.
**The disable new DMA devices when computer is locked should only be enabled if your computer does not support kernel DMA protection.**
## Operating System Drives
- Require additional authentication at startup -> Enabled -> Do not allow TPM, Allow startup PIN with TPM, Do not allow startup key with TPM, Allow startup key and PIN with TPM. (**This is especially important as we do not want the TPM to automatically release the encryption key at boot.**)
- Allow enhanced PINs for startup -> Enabled.
- Configure TPM platform validation profile for native UEFI firmware configurations -> Enabled -> PCR 0,1,2,3,3,4,5,6,7,11