Treat motherboard firmware updates with the same urgency as OS security patches.
Attackers exploit legitimate, vulnerable motherboard drivers (often called "Bring Your Own Vulnerable Driver" or BYOVD attacks) to write directly to firmware registers from the OS. 🛡️ The Shield: Defending the BIOS
Many enthusiast motherboards feature a physical backup BIOS chip that can be restored if the primary chip is corrupted. 3. Defensive Best Practices
Set strong administrative passwords for BIOS/UEFI menus to prevent unauthorized local configuration changes.
System Management Mode (SMM) is a highly privileged CPU mode. Vulnerabilities in SMM handlers allow attackers to execute arbitrary code with ring -2 privileges.