Defined term
Covert Storage Channel
Covert Storage Channel: A system feature that enables one system entity to signal information to another entity by directly or indirectly writing a storage…
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Infrastructure
Definition
A system feature that enables one system entity to signal information to another entity by directly or indirectly writing a storage location that is later directly or indirectly read by the second entity. See: covert channel.
Alternative Definitions
- Definition 2
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. (CNSSI-4009) (NISTIR)
Sources
1
Committee on National Security Systems Glossary CNSSI 4009-2015
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The Cyber Glossary
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