Out-of-band (OOB): A method of transmitting information using a separate communication channel from the primary data channel. It is commonly used in networking and cybersecurity to provide alternative access to systems and networks in case of failures or other emergency situations. Examples of OOB communication include dial-up modems and satellite links.
Categories: CC D4: Network Security | CCSP D2: Cloud Data Security | CISM D3: Information Security Program | CISSP D4: Communication and Network Security | Security+ D3: Security Architecture | SSCP D6: Network and Communication Security
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