Multiple choice Which of the following is most necessary for a data to be useful? Availbility and integrity Integrity and confidentiality Availability and confidentiality Availability, integrity and confidentiality Reveal answer Fill a bubble to check yourself D Correct answer Explanation For data to be truly useful in a secure system, it needs all three CIA triad properties: availability (accessible when needed), integrity (accurate and unaltered), and confidentiality (protected from unauthorized access).