FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A loss of integrity is the unauthorized modification or destruction of information. Availability–“Ensuring timely and reliable access to and use of information…” A loss of availability is the disruption of access to or use of information or an information system.

Detailed explanation-2: -Or said another way, loss of availability indicates that either data or a system is not available when needed by a user. For example, if a Web server is not operational when a customer wants to purchase a product, the Web server has suffered a loss of availability.

Detailed explanation-3: -As defined in FISMA, the term ‘availability’ means ensuring timely and reliable access to and use of information.

Detailed explanation-4: -In this context, confidentiality is a set of rules that limits access to information, integrity is the assurance that the information is trustworthy and accurate, and availability is a guarantee of reliable access to the information by authorized people.

Detailed explanation-5: -Information security refers to the protection of information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction in order to provide confidentiality, integrity, and availability.