Which security concept ensures that information is accessible and usable upon demand by authorized entities?
Authenticity
Confidentiality
Integrity
Availability
Availability is the security concept that ensures information systems and data are accessible and usable by authorized users when needed. This is a fundamental component of the CIA triad (Confidentiality, Integrity, and Availability) and one of the five pillars of information security.
Confidentiality ensures that information is not disclosed to unauthorized parties. Integrity ensures data remains accurate and unaltered. Authenticity verifies that data, transactions, or documents are genuine. Nonrepudiation prevents parties from denying their actions.
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