Palo Alto Networks Certified Cybersecurity Entry-level Technician (PCCET)Cybersecurity FundamentalsEasy

A cybersecurity consultant is advising a small business on fundamental security principles. Which of the following principles emphasizes that systems and data should only be accessible to authorized entities?

  1. AAvailability
  2. BConfidentiality
  3. CIntegrity
  4. DNon-repudiation
Show answer & explanation

Correct answer: B. Confidentiality

Confidentiality ensures that information is not disclosed to unauthorized individuals, entities, or processes. It is a core principle of information security.

Why the other options are wrong

  • A. Availability ensures that authorized users have timely and uninterrupted access to information and resources.
  • C. Integrity ensures that data remains accurate, complete, and authentic throughout its lifecycle.
  • D. Non-repudiation provides undeniable proof that a specific action or event has occurred and cannot be denied by the sender or receiver.

Confidentiality

The information security principle that protects data from unauthorized disclosure. It ensures that only authorized individuals can access sensitive information.

  • Part of the CIA triad (Confidentiality, Integrity, Availability).
  • Achieved through encryption, access control, and data handling policies.
  • Prevents unauthorized viewing or access to data.

Memory trick: CIA ensures your data is Safe, Sound, and always On.

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