Hvci Bypass

The hypervisor verifies the digital signature of all kernel-mode drivers before they are allowed to execute. Common HVCI Bypass Vectors

But Lodestone had broken it.

HVCI runs the kernel’s integrity checks inside a separate, hypervisor-protected virtual machine (the "Secure Kernel"), isolated from the main OS. It’s a fortress. If a rootkit tries to patch the kernel, HVCI slaps its hand away. For years, it was considered unbreakable. Hvci Bypass