A covert channel (also called a confinement channel) is an
|“||[u]nintended and/or unauthorized communications path that can be used to transfer information in a manner that violates an IS security policy.||”|
|“||[a] communications channel that allows two cooperating processes to transfer information in a manner that violates the system's security policy.||”|
- ↑ CNSSI 4009.
- ↑ Department of Defense, National Computer Security Center, Glossary of Computer Security Terms (NCSC-TG-004, Ver. 1) (Oct. 21, 1988).