IOCheck: A Framework to Enhance the Security of I/O Devices at Runtime

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Provided by: George Mason University
Topic: Security
Format: PDF
Securing hardware is the foundation for implementing a secure system. However, securing hardware devices remains an open research problem. In this paper, the authors present IOCheck, a framework to enhance the security of I/O devices at runtime. It leverages System Management Mode (SMM) to quickly check the integrity of I/O configurations and firmware. IOCheck does not rely on the operating system and is OS-agnostic. In their preliminary results, IOCheck takes 4 milliseconds to switch to SMM which introduces low performance overhead.
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