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Transmission Control Protocol

nounverified·updated May 9, 2026

A connection-based Internet protocol that supports reliable data transfer connections Scope Note: Packet data are verified using checksums and retransmitted if they are missing or corrupted. The application plays no part in validating the transfer.

MWEISACA Cybersecurity Glossary

Senses

SANS Glossary of Security Terms

A set of rules (protocol) used along with the Internet Protocol to send data in the form of message units between computers over the Internet. While IP takes care of handling the actual delivery of the data, TCP takes care of keeping track of the individual units of data (called packets) that a message is divided into for efficient routing through the Internet. Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and also guarantees that packets will be delivered in the same order in which they were sent.

Wordset Dictionary

a protocol developed for the internet to get data from one network device to another

NIST SP 800-171r3attested usage pack match

No definition is given in NIST SP 800-171r3. The term is attested in use at 2 citations in that document; a definition is pending curation.

Classifications

Entity Type

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

90%llm-generatedllm:claude-haiku-4-5
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Information Class

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

acronym
TCP
synonym
TCP
plural
Transmission Control Protocols
possessive
Transmission Control Protocol's
pluralpossessive
Transmission Control Protocols'