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The Parkerian hexad is a set of six elements of information security proposed by Donn B. Parker in 1998. [1] [2] The Parkerian hexad adds three additional attributes to the three classic security attributes of the CIA triad (confidentiality, integrity, availability).
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 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 ...
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.
The CIA is part of the United States Intelligence Community, is organized into numerous divisions. The divisions include directors, deputy directors, and offices. [3] The CIA board is made up of five distinct entitles called Directorates. [4] The CIA is overseen by the Director of Central Intelligence.
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There was a real danger that Russia would use tactical nuclear weapons two years ago after Moscow’s full-scale invasion of Ukraine faltered, CIA Director William Burns said Saturday.
The source reliability is rated between A (history of complete reliability) to E (history of invalid information), with F for source without sufficient history to establish reliability level. The information content is rated between 1 (confirmed) to 5 (improbable), with 6 for information whose reliability can not be evaluated.