Palo Alto Networks Certified Cybersecurity Entry-level Technician (PCCET)Cybersecurity FundamentalsMedium
A security team is implementing a system to prevent unauthorized modifications to critical system files. They want to ensure that if a file is altered, the change is immediately detected. Which security objective are they primarily trying to achieve?
- AIntegrity
- BNon-repudiation
- CConfidentiality
- DAvailability
Show answer & explanationAnswer & explanation
Correct answer: A. Integrity
The primary objective of detecting unauthorized modifications to files is to ensure the integrity of the data, meaning it remains accurate, complete, and authentic.
Why the other options are wrong
- B. Non-repudiation provides proof of an action, preventing denial by the actor.
- C. Confidentiality focuses on preventing unauthorized disclosure of information.
- D. Availability focuses on ensuring authorized access to resources when needed.
Integrity
The information security principle that ensures data is accurate, complete, and authentic, and has not been subjected to unauthorized modification or destruction.
- Part of the CIA triad (Confidentiality, Integrity, Availability).
- Achieved through hashing, digital signatures, access control, and version control.
- Focuses on preventing and detecting unauthorized data alteration.
Memory trick: CIA: Keep secrets, stay accurate, always available.