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SYN Flood

nounverified· unreviewed·updated Aug 30, 2026

A denial of service attack that sends a host more TCP SYN packets (request to synchronize sequence numbers, used when opening a connection) than the protocol implementation can handle.

MWESANS Glossary of Security Terms

Classifications

Entity Type

Threat0%rule-basedmulti_axis_classifier_low_confidence.v1
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Sensitivity

85%llm-generatedllm:claude-haiku-4-5
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Information Class

90%llm-generatedllm:claude-haiku-4-5
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Variants

plural
SYN Floods
possessive
SYN Flood's
pluralpossessive
SYN Floods'