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Data in Transit

Also known as:DIT

Data in Transit: Data being transmitted between systems, networks, or components. ImplementationImplementationThe practical realization of a security design, requirement, or control in a system or process. requires a holistic view of architecture, permissions, hardening, monitoringMonitoringThe continuous observation of systems, identities, networks, and controls for relevant changes., dependencies, and operational recoveryRecoveryThe controlled restoration of systems, data, and business services after a disruption..

How it works and where it fits

Data in Transit must be considered across the complete data lifecycle: creation, processing, transfer, storage, sharing, archiving, and deletion. Safeguards depend on sensitivity, legal obligations, business value, and potential harm. Copies, metadata, and derived information may carry the same or a different protection requirement.

Practical security relevance

In practice, this calls for classification, governed access, suitable encryption, and traceable retention periods. Data flows and storage locations should be inventoried across cloud services, backups, and test environments. Monitoring and loss prevention complement technical controls, but they do not replace data minimization or the secure deletion of information that is no longer required.

  • Data at RestData at RestData that is stored and not currently being transmitted or processed.: Data that is stored and not currently being transmitted or processed.
  • Transport Layer SecurityTransport Layer SecurityProtects network connections through encryption, authentication, and integrity checks.: Protects network connections through encryption, authentication, and integrity checks.
  • Link EncryptionLink EncryptionEncryption of a communication link between directly connected nodes.: Encryption of a communication link between directly connected nodes.
  • EncryptionEncryptionConverts plaintext into unreadable ciphertext using a key.: Converts plaintext into unreadable ciphertext using a key.

Related terms