Internet Control Message Protocol

nounverified·updated May 9, 2026

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A set of protocols that allow systems to communicate information about the state of services on other systems Scope Note: For example, ICMP is used in determining whether systems are up, maximum packet sizes on links, whether a destination host/network/port is available. Hackers typically use (abuse) ICMP to determine information about the remote site.

MWEISACA Cybersecurity Glossary

Senses

1 more sense beyond the canonical

SANS Glossary of Security Terms

An Internet Standard protocol that is used to report error conditions during IP datagram processing and to exchange other information concerning the state of the IP network.

Classifications

per-axis with provenance

Entity Type

Network95%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Sensitivity

unclassified

Information Class

unclassified

Variants

4 surface forms

acronym: ICMP
plural: Internet Control Message Protocols
possessive: Internet Control Message Protocol's
pluralpossessive: Internet Control Message Protocols'

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