From b8c8a29275b29f48ee8f58da457d950c596da6e5 Mon Sep 17 00:00:00 2001 From: aktsuda Date: Tue, 25 Aug 2020 19:02:50 +0900 Subject: [PATCH] Update kernel-dma-protection-for-thunderbolt.md The item of "Virtualization technology in Firmware" doesn't exist in msinfo32.exe. So, it should be replaced with **A hypervisor has been detected. Features required for Hyper-V will not be displayed.** is NOT shown (this means Virtualization technology in Firmware is disabled). --- .../kernel-dma-protection-for-thunderbolt.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/windows/security/information-protection/kernel-dma-protection-for-thunderbolt.md b/windows/security/information-protection/kernel-dma-protection-for-thunderbolt.md index 6ea046a8f3..85a687c064 100644 --- a/windows/security/information-protection/kernel-dma-protection-for-thunderbolt.md +++ b/windows/security/information-protection/kernel-dma-protection-for-thunderbolt.md @@ -84,7 +84,7 @@ Beginning with Windows 10 version 1809, you can use Security Center to check if 1. Launch MSINFO32.exe in a command prompt, or in the Windows search bar. 2. Check the value of **Kernel DMA Protection**. ![Kernel DMA protection in System Information](bitlocker/images/kernel-dma-protection.png) -3. If the current state of **Kernel DMA Protection** is OFF and **Virtualization Technology in Firmware** is NO: +3. If the current state of **Kernel DMA Protection** is OFF and **A hypervisor has been detected. Features required for Hyper-V will not be displayed.** is NOT shown (this means Virtualization technology in Firmware is disabled): - Reboot into BIOS settings - Turn on Intel Virtualization Technology. - Turn on Intel Virtualization Technology for I/O (VT-d). In Windows 10 version 1803, only Intel VT-d is supported. Other platforms can use DMA attack mitigations described in [BitLocker countermeasures](bitlocker/bitlocker-countermeasures.md).