Microsoft partnered with mainstream chip and computer makers to deliver hardware protection of firmware right out of the box: the so-called Secured-core PCs are aimed at foiling attackers who rely on exploiting firmware vulnerabilities to surreptitiously gain access to computer systems.
Firmware is an attractive target
Attackers are always looking for new and easier ways to compromise target systems, as well as ways to keep that compromise concealed from the system owners for as long as possible.