What is data integrity in verification?

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Data integrity in verification means making sure data stays accurate, complete, and trustworthy, and that you can verify its history from source to use. The best answer captures accuracy (data reflects reality), completeness (no missing pieces), and traceability (ability to follow data through its lifecycle) with protection against alteration (controls that detect or prevent changes). Real-time streaming is about timing, not overall integrity; encryption protects confidentiality, not whether data has been kept intact; storing data offline relates more to preservation or accessibility, not the integrity and verifiability of data.