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Information Security Attributes: or qualities, i.e., Confidentiality, Integrity and Availability (CIA). Information Systems are composed in three main portions, hardware, software and communications with the purpose to help identify and apply information security industry standards, as mechanisms of protection and prevention, at three levels or layers: physical, personal and organizational.
McCumber cube. The McCumber Cube is a model for establishing and evaluating information security ( information assurance) programs. This security model, created in 1991 by John McCumber, is depicted as a three-dimensional Rubik's Cube -like grid. The concept of this model is that, in developing information assurance systems, organizations must ...
An information system ( IS) is a formal, sociotechnical, organizational system designed to collect, process, store, and distribute information. [ 1] From a sociotechnical perspective, information systems comprise four components: task, people, structure (or roles), and technology. [ 2] Information systems can be defined as an integration of ...
The design principles. Economy of mechanism: Keep the design as simple and small as possible. Fail-safe defaults: Base access decisions on permission rather than exclusion. Complete mediation: Every access to every object must be checked for authority. Open design: The design should not be secret. Separation of privilege: Where feasible, a ...
Principles of Information Security. Principles of Information Security is a textbook written by Michael Whitman and Herbert Mattord and published by Course Technology. [1] It is in widespread use in higher education in the United States as well as in many English -speaking countries. [citation needed]
t. e. The philosophy of information ( PI) is a branch of philosophy that studies topics relevant to information processing, representational system and consciousness, cognitive science, computer science, information science and information technology . It includes:
An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that may result in unauthorized information disclosure, theft of (or damage to) hardware, software, or ...
Information theory is the mathematical study of the quantification, storage, and communication of information. The field was established and put on a firm footing by Claude Shannon in the 1940s, [1] though early contributions were made in the 1920s through the works of Harry Nyquist and Ralph Hartley. It is at the intersection of electronic ...