1- CIA Triad
The CIA Triad is a fundamental concept in information security, representing three core principles that guide the protection of information: Confidentiality : This principle ensures that information is accessible only to those who are authorized to view it. It involves protecting data from unauthorized access and ensuring that sensitive information is kept private. Techniques to maintain confidentiality include encryption, access control, and authentication mechanisms. Integrity : Integrity refers to maintaining the accuracy and reliability of data. It ensures that information is not altered or tampered with, either maliciously or accidentally. Integrity is maintained by using techniques like hashing, checksums, digital signatures, and version control to detect and prevent unauthorized changes to data. Availability : Availability ensures that information and resources are accessible and usable when needed. This principle involves ensuring that systems, networks, and data a...
