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The CIA TRIAD of information security stands for
AConfidentiality, Integrity, Availability
BConfidentiality, Internet, Authentication
CCybersecurity, Information, Assurance
DComputers, Information, Algorithms
Answer & Solution
Correct answer: A. Confidentiality, Integrity, Availability
1. CIA TRIAD is the foundational model of information security.
2. CONFIDENTIALITY: only authorised parties can read data (achieved via encryption, access control).
3. INTEGRITY: data is accurate and unaltered (achieved via hashing, digital signatures, version control).
4. AVAILABILITY: data and systems are accessible when needed (achieved via redundancy, DDoS protection, backups).
5. Every security control maps to one or more of these three pillars.
_Source: NIST CSF context + NIST SP 800-12 (referenced from CSF Appendix C)._
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