1) ISACA defines information security as ensuring information confidentiality, integrity, and availability (CIA). Confidentiality means protecting private information, integrity means preventing improper information changes, and availability means reliable access to information.
2) There are various definitions of information security but the CIA concept is globally accepted. Ensuring information security is increasingly important as information and technology impact all aspects of life.
3) Managing risks, including information security risks, is essential for organizations to create value for stakeholders by realizing benefits while optimizing costs and risks. Both risks and opportunities must be considered to make balanced risk-related decisions.