https://arstechnica.com/information-technology/2018/01/researcher-finds-another-security-flaw-in-intel-management-firmware/

Meltdown and Spectre are not the only security problems Intel is facing these days. Today, researchers at F-Secure have revealed another weakness in Intel's management firmware that could allow an attacker with brief physical access to PCs to gain persistent remote access to the system, thanks to weak security in Intel's Active Management Technology (AMT) firmware—remote "out of band" device management technology installed on 100 million systems over the last decade, according to Intel.