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Question 236 - CAS-004 discussion

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An organization recently recovered from an attack that featured an adversary injecting Malicious logic into OS bootloaders on endpoint devices Therefore, the organization decided to require the use of TPM for measured boot and attestation, monitoring each component from the IJEFI through the full loading of OS components. of the following TPM structures enables this storage functionality?

A.
Endorsement tickets
Answers
A.
Endorsement tickets
B.
Clock/counter structures
Answers
B.
Clock/counter structures
C.
Command tag structures with MAC schemes
Answers
C.
Command tag structures with MAC schemes
D.
Platform configuration registers
Answers
D.
Platform configuration registers
Suggested answer: D

Explanation:

TPMs provide the ability to store measurements of code and data that can be used to ensure that code and data remain unchanged over time. This is done through Platform Configuration Registers (PCRs), which are structures used to store measurements of code and data. The measurements are taken during the boot process and can be used to compare the state of the system at different times, which can be used to detect any changes to the system and verify that the system has not been tampered with.

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asked 02/10/2024
Tony Minjarez
41 questions
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