Palo Alto Networks Certified Cybersecurity Entry-level Technician (PCCET)Cybersecurity FundamentalsHard
A security administrator is configuring a system to ensure that when a user performs a critical action, such as approving a financial transaction, there is undeniable proof that the specific user initiated that action. Which security principle is being addressed?
- AConfidentiality
- BAvailability
- CNon-repudiation
- DIntegrity
Show answer & explanationAnswer & explanation
Correct answer: C. Non-repudiation
Non-repudiation ensures that an individual cannot deny having performed a particular action, providing undeniable proof of origin and integrity, crucial for actions like financial transactions.
Why the other options are wrong
- A. Confidentiality prevents unauthorized disclosure of information.
- B. Availability ensures legitimate users can access resources when needed.
- D. Integrity ensures data has not been altered or tampered with.
Non-repudiation
Non-repudiation is the assurance that someone cannot deny the validity of something. In cybersecurity, it refers to the ability to ensure that a party to a contract or a communication cannot deny the authenticity of their signature on a document or the sending of a message that they originated.
- Provides undeniable proof of sender/receiver identity.
- Often achieved using digital signatures and logging.
- Crucial for legal and financial transactions.
Memory trick: Beyond CIA, we need Accountability and Proof.