In the CIA triad, what does the letter A stand for?

The correct answer is C. Availability. The CIA triad is the foundational model of information security, standing for Confidentiality (ensuring data is only accessible to authorized parties), Integrity (ensuring data is accurate and unaltered), and Availability (ensuring data and systems are accessible when needed by…

Submitted by andres_qro· Apr 18, 2026Security Concepts and Practices

Question

Options

AAuditability
BAccountability
CAvailability
DAuthentication

How the community answered

(50 responses)

A
4% (2)
B
8% (4)
C
86% (43)
D
2% (1)

Explanation

The CIA triad is the foundational model of information security, standing for Confidentiality (ensuring data is only accessible to authorized parties), Integrity (ensuring data is accurate and unaltered), and Availability (ensuring data and systems are accessible when needed by authorized users). Availability encompasses uptime, redundancy, and disaster recovery. While authentication and accountability are important security concepts, they are not part of the CIA triad.

Topics

#CIA triad#Availability#Information security principles#Confidentiality#Integrity

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