Which of the following principles BEST addresses the protection of data from unauthorized modification?

The correct answer is C. Integrity. Integrity is the CIA triad principle specifically concerned with ensuring data is accurate, complete, and has not been altered without authorization. Authenticity (A) addresses verifying the identity of a sender or source. Nonrepudiation (B) ensures a party cannot deny having…

Submitted by yuriko_h· Apr 18, 2026Information Security Program Development and Management

Question

Options

AAuthenticity
BNonrepudiation
CIntegrity
DAvailability

How the community answered

(30 responses)

A
3% (1)
C
93% (28)
D
3% (1)

Explanation

Integrity is the CIA triad principle specifically concerned with ensuring data is accurate, complete, and has not been altered without authorization. Authenticity (A) addresses verifying the identity of a sender or source. Nonrepudiation (B) ensures a party cannot deny having taken an action. Availability (D) ensures systems and data are accessible when needed. None of these address unauthorized modification - that is the exclusive domain of integrity.

Topics

#Information Security Principles#Data Integrity#CIA Triad

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