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The Parkerian hexad is a set of six elements of information security proposed by Donn B. Parker in 1998. The Parkerian hexad adds three additional attributes to the three classic security attributes of the CIA triad (confidentiality, integrity, availability).
The CNSS holds discussions of policy issues, sets national policy, directions, operational procedures, and guidance for the information systems operated by the U.S. Government, its contractors or agents that either contain classified information, involve intelligence activities, involve cryptographic activities related to national security, involve command and control of military forces ...
Information security is the practice of protecting information by mitigating information risks. It is part of information risk management. [1] It typically involves preventing or reducing the probability of unauthorized or inappropriate access to data or the unlawful use, disclosure, disruption, deletion, corruption, modification, inspection, recording, or devaluation of information.
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The 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 goal of information security is to ensure the confidentiality, integrity and availability (CIA) of assets from various threats. For example, a hacker might attack a system in order to steal credit card numbers by exploiting a vulnerability.
Within the U.S. government, security clearance levels serve as a mechanism to ascertain which individuals are authorized to access sensitive or classified information. These levels often appear in employment postings for Defense related jobs and other jobs involving substantial amounts of responsibility, such as air traffic control or nuclear ...
The Central Intelligence Agency (CIA / ˌ s iː. aɪ ˈ eɪ /), known informally as the Agency, [6] metonymously as Langley [7] and historically as the Company, [8] is a civilian foreign intelligence service of the federal government of the United States tasked with gathering, processing, and analyzing national security information from around the world, primarily through the use of human ...