Zero fill

Information that is unique within a security domain and which is recognized as denoting a particular entity within that domain.
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A channel that conveys information by writing data to a common storage area where another process can read it. A covert channel that involves the direct or indirect writing of a storage location by one process and the direct or indirect reading of the storage location by another process. Covert storage channels typically involve a finite resource that is shared by two subjects at different security levels. Covert channel involving the direct or indirect writing to a storage location by one process and the direct or indirect reading of the storage location by another process. Covert storage channels typically involve a finite resource (e. g. , sectors on a disk) that is shared by two subjects at different security levels.
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The basic unit of storage for many computers; typically, one configuration consists of 8 bits used to represent data plus a parity bit for checking the accuracy of representation.
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Cipher that uses an encryption algorithm to replace each character or bit of the plain-text message with a different character, such as a Caesar cipher.
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In some situations, a major application or general support system is intended for installation at multiple locations. The application or system usually consists of a common set of hardware, software, and firmware. Type accreditations are a form of interim accreditation and are used to certify and accredit multiple instances of a major application or general support system for operation at approved locations with the same type of computing environment.
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