Inference

Any information system (including any telecommunications system) used or operated by an agency or by a contractor of any agency, or other organization on behalf of an agency, the function, operation, or use of which: I. involves intelligence activities; II. Involves cryptologic activities related to national security; III. Involves command and control of military forces; IV. Involves equipment that is an integral part of a weapon or weapon system; or V. subject to subparagraph (B), is critical to the direct fulfillment of military or intelligence missions; or is protected at all times by procedures established for information that have been specifically authorized under criteria established by an Executive Order or an Act of Congress to be kept classified in the interest of national defense or foreign policy. (B). Does not include a system that is to be used for routine administrative and business applications (including payroll, finance, logistics, and personnel management applications). (Title 44 U. S. Code Section 3542, Federal Information Security Management Act of 2002. )Any information system (including any telecommunications system) used or operated by an organization or by a contractor of the organization, or by other organization on behalf of the organization: (1) the function, operation, or use of which involves intelligence activities; involves cryptologic activities related to national security; involves command and control of military forces; involves equipment that is an integral part of a weapon or weapons system; or is critical to the direct fulfillment of military or intelligence missions (excluding a system that is to be used for routine administrative and business applications, for example, payroll, finance, logistics, and personnel management applications); or (2) is protected at all times by procedures established for information that have been specifically authorized under criteria estab
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Collecting multiple pieces of nonsensitive information and combining it or aggregating it to learn sensitive information. Reconnaissance attacks often use access aggregation methods.
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Information that has been determined pursuant to Executive Order 12958 or any predecessor Order, or by the Atomic Energy Act of 1954, as amended, to require protection against unauthorized disclosure and is marked to indicate its classified status. Information that has been determined pursuant to Executive Order 12958 or any predecessor order, or by the Atomic Energy Act of 1954, as amended, to require protection against unauthorized disclosure and is marked to indicate its classified status.
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A form of password attack in which a dictionary attack is first attempted and then a type of brute-force attack is performed. The follow-up brute-force attack is used to add prefix or suffix characters to passwords from the dictionary in order to discover one- upped constructed passwords, two-upped constructed passwords, and so on.
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A system is operating in the controlled security mode when at least some users with access to the system have neither a security clearance nor a needtoknow for all classified material contained in the system. However, the separation and control of users and classified material on the basis, respectively, of security clearance and security classification are not essentially under operating system control as in the multilevel security mode.
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