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GSEC · Question #211

Which of the following books deals with confidentiality?

The correct answer is B. Orange Book. The Orange Book (TCSEC - Trusted Computer System Evaluation Criteria) is the foundational DoD security publication that primarily addresses confidentiality through its security classification levels.

Incident Handling, Risk, and Governance

Question

Which of the following books deals with confidentiality?

Options

  • APurple Book
  • BOrange Book
  • CRed Book
  • DBrown Book

How the community answered

(34 responses)
  • A
    12% (4)
  • B
    79% (27)
  • C
    3% (1)
  • D
    6% (2)

Why each option

The Orange Book (TCSEC - Trusted Computer System Evaluation Criteria) is the foundational DoD security publication that primarily addresses confidentiality through its security classification levels.

APurple Book

The Purple Book (Guidelines for Formal Verification Systems) addresses formal verification methods used in security evaluation, not confidentiality policy directly.

BOrange BookCorrect

The Orange Book, formally known as the Trusted Computer System Evaluation Criteria (TCSEC), was published by the DoD in 1985 and established evaluation classes (D, C1, C2, B1, B2, B3, A1) focused on confidentiality requirements. It defines how systems should protect classified information from unauthorized disclosure. It is the core document of the Rainbow Series dealing with confidentiality as its primary security objective.

CRed Book

The Red Book (TNI - Trusted Network Interpretation) extends the Orange Book concepts specifically to network environments and trusted network components.

DBrown Book

The Brown Book (Guidelines for Writing Trusted Facility Manuals) provides guidance on documenting security-relevant features of trusted systems, not confidentiality itself.

Concept tested: Rainbow Series Orange Book TCSEC confidentiality

Source: https://csrc.nist.gov/publications/detail/book/1985/department-of-defense-trusted-computer-system-evaluation-criteria

Topics

#Orange Book#TCSEC#confidentiality#security standards

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