ISC2 Governance, Risk and Compliance (CGRC) Practice Question
During initial RMF Step 2, a system that processes only publicly releasable information is categorized as low-impact. According to NIST SP 800-53B, which of the following controls is REQUIRED in the default low-impact baseline and therefore should be kept unless a tailoring justification is documented?
NIST SP 800-53B lists AC-3 "Access Enforcement" in the low-impact baseline because even public systems must restrict functions to authorized users. Controls such as CP-10 (System Backups), IA-5(1) (Password Complexity), and SC-13 (Cryptographic Protection) are not included at the low level and would only be added through overlays or enhancements. Therefore, retaining AC-3 aligns with the prescribed low baseline, whereas omitting it would require strong justification in the tailoring worksheet and SSP.
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What is RMF Step 2 and its significance in the categorization process?
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Why is AC-3 (Access Enforcement) mandatory for low-impact systems under NIST SP 800-53B?
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What is the purpose of tailoring security controls in the RMF process?
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ISC2 Governance, Risk and Compliance (CGRC)
Selection and Approval of Framework, Security, and Privacy Controls
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