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Difficulty: EasyCIA Triad and Non-Repudiation

Match each core security goal on the left with its primary operational objective on the right.

  • ConfidentialityPreventing unauthorized disclosure or exposure of sensitive information.
  • IntegrityEnsuring data remains accurate and unaltered by unauthorized parties.
  • AvailabilityEnsuring systems, services, and data are accessible to authorized users when needed.
  • Non-RepudiationProviding verified proof of message authorship so the sender cannot deny sending it.

Answer

Confidentiality matches with preventing unauthorized disclosure; Integrity matches with ensuring data remains accurate and unaltered; Availability matches with ensuring systems and services are accessible when needed; Non-Repudiation matches with providing verified proof of message authorship so the sender cannot deny sending it.
Each concept aligns directly with its fundamental security definition: Confidentiality prevents unauthorized viewing of sensitive information; Integrity safeguards data against unauthorized modification; Availability ensures system resources are ready for use when needed; Non-Repudiation uses proof of identity and origin so an actor cannot deny an event or message.

Step-by-Step Solution

1
Identify the primary definition of Confidentiality
Confidentiality protects data against unauthorized disclosure or viewing, matching the corresponding objective describing prevention of unauthorized disclosure.
Keeping data secret from unauthorized entities is the fundamental pillar of confidentiality.
2
Identify the primary definition of Integrity
Integrity guarantees data trustworthiness and accuracy, matching the objective regarding preventing unauthorized modification or alteration.
Maintaining unaltered data state ensures system and message integrity.
3
Identify the primary definition of Availability
Availability ensures uptime and accessibility of systems and data for authorized users upon demand.
Operational continuity and service access form the core requirement of availability.
4
Identify the primary definition of Non-Repudiation
Non-repudiation provides indisputable proof of origin, matching the requirement that a sender cannot deny submitting or authoring a message.
Cryptographic mechanisms like digital signatures tie the action directly to a private key holder.

Key Concept

Core concepts of the CIA Triad and Non-Repudiation
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Topics

CIA Triad and Non-Repudiation

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