Information security has become increasingly important with the advent of computers to process sensitive information. Secrecy, integrity and availability are considered as inherent components of computer security. Secrecy is concerned with protection of information against unauthorized disclosure; integrity is concerned with prevention of improper modification of information; and availability of service involves ensuring that all computer resources are available to the users whenever they are needed. Secrecy, also known as confidentiality, is more understood in the security community than the other two components of security.
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