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Vinay Pamnani
2023-07-31 11:26:21 -04:00
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windows/security/identity-protection/credential-guard/credential-guard-requirements.md
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@ -85,7 +85,7 @@ The following tables describe baseline protections, plus protections for improve
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|Hardware: **64-bit CPU** |A 64-bit computer is required for the Windows hypervisor to provide VBS.|
|Hardware: **CPU virtualization extensions**, plus **extended page tables**|**Requirements**: </br> - These hardware features are required for VBS: One of the following virtualization extensions: - VT-x (Intel) or - AMD-V And: - Extended page tables, also called Second Level Address Translation (SLAT).|VBS provides isolation of secure kernel from normal operating system. </br></br> Vulnerabilities and Day 0s in normal operating system cannot be exploited because of this isolation.|
|Hardware: **Trusted Platform Module (TPM)**|**Requirement**: </br> - TPM 1.2 or TPM 2.0, either discrete or firmware. [TPM recommendations](../../information-protection/tpm/tpm-recommendations.md)|A TPM provides protection for VBS encryption keys that are stored in the firmware. TPM helps protect against attacks involving a physically present user with BIOS access.|
|Hardware: **Trusted Platform Module (TPM)**|**Requirement**: </br> - TPM 1.2 or TPM 2.0, either discrete or firmware. [TPM recommendations](../../hardware-security/tpm/tpm-recommendations.md)|A TPM provides protection for VBS encryption keys that are stored in the firmware. TPM helps protect against attacks involving a physically present user with BIOS access.|
|Firmware: **UEFI firmware version 2.3.1.c or higher with UEFI Secure Boot**|**Requirements**: </br> - See the following Windows Hardware Compatibility Program requirement: System.Fundamentals.Firmware.UEFISecureBoot|UEFI Secure Boot helps ensure that the device boots only authorized code, and can prevent boot kits and root kits from installing and persisting across reboots.|
|Firmware: **Secure firmware update process**|**Requirements**: </br> - UEFI firmware must support secure firmware update found under the following Windows Hardware Compatibility Program requirement: System.Fundamentals.Firmware.UEFISecureBoot.|UEFI firmware just like software can have security vulnerabilities that, when found, need to be patched through firmware updates. Patching helps prevent root kits from getting installed.|
|Software: Qualified **Windows operating system**|**Requirement**: </br> - At least Windows 10 Enterprise, Windows 10 Education, or Windows Server 2016.|Support for VBS and for management features that simplify configuration of Windows Defender Credential Guard.|

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windows/security/identity-protection/hello-for-business/hello-how-it-works-technology.md
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@ -359,7 +359,7 @@ A TPM implements controls that meet the specification described by the Trusted C
- The first TPM specification, version 1.2, was published in February 2005 by the TCG and standardized under ISO / IEC 11889 standard.
- The latest TPM specification, referred to as TPM 2.0, was released in April 2014 and has been approved by the ISO/IEC Joint Technical Committee (JTC) as ISO/IEC 11889:2015.
Windows 10 and Windows 11 use the TPM for cryptographic calculations as part of health attestation and to protect the keys for BitLocker, Windows Hello, virtual smart cards, and other public key certificates. For more information, see [TPM requirements in Windows](../../information-protection/tpm/tpm-recommendations.md).
Windows 10 and Windows 11 use the TPM for cryptographic calculations as part of health attestation and to protect the keys for BitLocker, Windows Hello, virtual smart cards, and other public key certificates. For more information, see [TPM requirements in Windows](../../hardware-security/tpm/tpm-recommendations.md).
Windows recognizes versions 1.2 and 2.0 TPM specifications produced by the TCG. For the most recent and modern security features, Windows 10 and Windows 11 support only TPM 2.0.