Covert Timing Channel

nouncandidate·updated May 12, 2026

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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.

Framework senses

2 senses across 2 frameworks

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →

§1: 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 (Glossary of Information Assurance Terms)1 senseview framework →

§1: 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.