--- title: "security-big-picture" aliases: tags: - comp210 --- Information security is the science of protecting information assets. These include data, systems, equipment, and infrastructure. >[!Definition] > "The preservation of confidentiality, integrity and availability of information; in addition, other properties such as authenticity, accountability, non-repudiation and reliability can also be involved.” > (ISO27000 Information Security Management Systems – Overview and Vocabulary) There is a continuous need for IS as the environement around it is rapidly changing. In