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4.3 Detection

NIST platform security: roots of trust, firmware and secure enclaves SP 800-193
All changes in this version
first version loaded 4 Firmware Security Guidelines for Platform Devices part of 4

Title

Detection

Control

The detection guidelines in this section describe mechanisms which can detect unauthorized changes to device firmware and critical data before it is executed or consumed by the device. When unauthorized changes are detected, a device could initiate a recovery process, as described in Section 4.4 . Detection mechanisms are particularly important for devices that lack strong protections on their firmware or critical data. However, these mechanisms can also provide a means to detect failures in firmware or critical data protection for devices that attempt to implement the guidelines in Section 4.2 .

All devices which provide detection of corruption of their firmware code and critical data must meet the guidelines which follow.