Defined term
Covert Timing Channel
Covert Timing Channel: A system feature that enables one system entity to signal informat ion to another by modulating its own use of a system resource in…
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Infrastructure
Definition
A system feature that enables one system entity to signal informat ion to another by modulating its own use of a system resource in such a way as to affect system response time observed by the second entity. See: covert channel.
Alternative Definitions
- Definition 2
Covert channel in which one process signals information to another process by modulating its own use of system resources (e.g., central processing unit time) in such a way that this manipulation affects the real response time observed by the second process. (CNSSI-4009) (NISTIR)
Sources
1
Committee on National Security Systems Glossary CNSSI 4009-2015
View Source2
The Cyber Glossary
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