Which of the following provides the C in CIA?

Last Updated on August 1, 2021 by Admin 2

Which of the following provides the C in CIA?

  • redundancy
  • hashing
  • encryption
  • multiple components
CIA stands for Confidentiality, Integrity, and Availability. Confidentiality means preventing unauthorized access to data. One method of doing that is with encryption.

Integrity is a security service that ensures that digital files have not been changed. Digital signatures are an example of an integrity security method. A digital signature provides integrity and non-repudiation. Non-repudiation ensures that the data’s origin is known. Availability is a security service that protects hardware and data from loss by ensuring that any needed data is available when necessary. Backups are an example of availability.

Redundancy or the use of multiple components increases availability, the A in CIA. Redundancy ensures that there are multiple components increases multiple ways to control the static environment. Redundancy occurs when you have systems in place ready to come online when a system fails.

Hashing algorithms generate hash values which can be compared to identify if data has changed. Protecting data from unauthorized change provides integrity. Hashing algorithms include MD2, MD4, MD5, HAVAL, and all of the Secure Hash Algorithm (SHA) variants.

Using multiple components is a synonym for redundancy.

Objective: Cryptography
Sub-Objective: Describe the uses of encryption algorithms

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