Which concept addresses the presence of residual information that continues to exist on shared resources after it is removed?
Data disposal
Data exposure
Data remanence
Data classification
Data remanence describes the leftover traces of information that remain on storage media after deletion. These remnants can be recovered if not properly sanitized, which is why simply deleting or formatting files is often insufficient. Unlike classification or disposal—which define sensitivity or removal practices—remanence specifically focuses on data persistence after removal operations.
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