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Data Source

Data Source: A system, sensor, log, or repositoryRepositoryA managed store for source code, packages, artifacts, or configuration history. that supplies data for security analysis and decisions. Effectiveness depends on reliable data, defined ownership, measurable criteria, and regular tuning.

How it works and where it fits

Data Source 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.

  • TelemetryTelemetryAutomatically collected measurements and events that describe the state and behavior of systems.: Automatically collected measurements and events that describe the state and behavior of systems.
  • LoggingLoggingThe recording of security-relevant events so activity can be monitored, investigated, and audited.: The recording of security-relevant events so activity can be monitored, investigated, and audited.
  • Security Information and Event ManagementSecurity Information and Event ManagementCollects and correlates security events for monitoring, alerting, and evidence gathering.: Collects and correlates security events for monitoring, alerting, and evidence gathering.
  • Source EvaluationSource EvaluationAssessment of a source's reliability, relevance, timeliness, and potential bias.: Assessment of a source’s reliability, relevance, timeliness, and potential bias.

Related terms