CIA stands for confidentiality, integrity, and availability, which are the three main objectives of information security. Confidentiality means protecting the information from unauthorized access or disclosure. Integrity means ensuring the information is accurate and consistent, and preventing unauthorized modification or deletion. Availability means ensuring the information and systems are accessible and usable by authorized users when needed. References:
https://learningnetworkstore.cisco.com/on-demand-e-learning/understanding-cisco-cybersecurity-operations-fund (Module 2: Security Concepts, Lesson 2.1: Security Principles)