公开(公告)号：US20170262352A1

公开(公告)日：2017-09-14

申请号：US15329877

申请日：2014-09-23

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： JEFFREY KEVIN JEANSONNE ,  BORIS BALACHEFF ,  VALIUDDIN ALI ,  CHRIS I DALTON ,  DAVID PLAQUIN

IPC: G06F11/30 ,  G06F9/44 ,  G06F21/57

CPC classification number: G06F11/302 ,  G06F11/3003 ,  G06F11/3419 ,  G06F11/3466 ,  G06F21/566 ,  G06F21/572 ,  G06F21/575 ,  G06F2201/81 ,  G06F2201/865 ,  G06F2201/88

Abstract: Examples herein disclose monitoring an expected functionality upon execution of a system management mode (SMM) BIOS code. The examples detect whether a change has occurred to the SMM BIOS code based on the monitoring of the expected functionality. The change indicates that the SMM BIOS code is compromised.