Internet Control Message Protocol (ICMP): A network protocol used to send error messages and operational information indicating success or failure when communicating with another IP address, typically used by network devices like routers to diagnose network issues and ensure data packets reach their destination.
Categories: CC D4: Network Security | CCSP D3: Cloud Platform and Infrastructure 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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