From malware.news
Ensuring that the platform firmware is healthy and trustworthy is fundamental to guaranteeing that powerful platform security features like Hypervisor-protected code integrity (HVCI) and Windows Defender Credential Guard are functioning as expected. Windows 10 achieves this by leveraging a hardware-based root of trust that ensures unauthorized code like Unified Extensible Firmware Interface (UEFI) malware cannot take root before the Windows bootloader launches.