Answer:
The basic tenets of information security are confidentiality, integrity and availability. Every element of the information security program must be designed to implement one or more of these principles. Together they are called the CIA Triad.
The 4 functions of Information Security:
- It protects the organisation's ability to function.
- It enables the safe operation of applications implemented on the organisation's IT systems.
- It protects the data the organisation collects and uses.
- It safeguards the technology the organisation uses.