The objective of this paper is to research the persistence of records for deleted files within Spotlight's metadata store, identify if deleted database pages are recoverable from unallocated space on the volume, and to present a strategy for the processing of discovered records.
Current approaches in the literature have also enabled the extraction of metadata records for extant files, but not for deleted files. Existing forensic research into Spotlight has provided an understanding of the metadata attributes stored within the metadata store database. Spotlight allows users to search for files or information by querying databases populated with filesystem attributes, metadata, and indexed textual content. Spotlight is a proprietary desktop search technology released by Apple in 2004 for its Macintosh operating system Mac OS X 10.4 (Tiger) and remains as a feature in current releases of macOS.
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