Now let’s talk in details about 3 major concepts:
Computer Security OSI Security Architecture Cryptography 1- Computer security A definition of computer security consists of 3 concepts, we can name these concepts as CIA security concept
Confidentiality Integrity Availability Confidentiality Assure that confidential information is not available to unauthorized users.
Integrity Assure that information are only changed in a specified and authorized manner.
Availability Assure that services are available to authorized users.