The CIA triad is a security model for information systems. It is based on three key principles: confidentiality, integrity, and availability.
* Confidentiality means that only authorized users can access sensitive information.
* Integrity means that information is accurate and complete, and has not been tampered with.
* Availability means that information is accessible to authorized users when they need it.
The CIA triad is a useful tool for thinking about security risks and how to mitigate them. It is also a helpful framework for developing security policies and procedures.
Here are some examples of how the CIA triad can be applied in practice:
* Confidentiality: A hospital might use encryption to protect patient medical records.
* Integrity: A bank might use digital signatures to ensure that financial transactions are not altered.
* Availability: A company might use redundant servers to ensure that its website is always available.
The CIA triad is not a perfect model, but it is a valuable tool for thinking about security. By considering the three principles of confidentiality, integrity, and availability, organizations can develop more effective security strategies.
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