Deleted Data

Definition(s)

  • Deleted data is data that, in the past, existed on the computer as live data and which has been deleted by the computer system or end-user activity. Deleted data remains on storage media in whole or in part until it is overwritten by ongoing usage or “wiped” with a software program specifically designed to remove deleted data. Even after the data itself has been wiped, directory entries, pointers, or other metadata relating to the deleted data may remain on the computer.  1
  • Deleted data are data that, in the past, existed on the computer as live data and which have been deleted by the computer system or end-user activity. Deleted data remain on storage media in whole or in part until they are overwritten or “wiped.” Even after the data itself have been wiped, directory entries, pointers or other metadata relating to the deleted data may remain on the computer.  2
  • Recoverable information from deleted files and data may be stored in unallocated or slack space on a computer hard drive.  3
  • Data that at one time existed on a computer system as live data but that has been deleted, however, such deleted data inhabits storage media in some form until it is overwritten or “wiped” with a software program specifically designed to remove deleted data. Once the storage media has been wiped, directory entries, pointers, or other metadata often remain.  4
  • Data that once existed on a computer and has subsequently been deleted by the user. Deleted data actually remains on the computer until it is overwritten by new data or “wiped” with a specific software program. (Even after wiping, metadata such as directory entries or pointers may still remain.)  5

Notes

  1. Kroll Ontrack, Glossary of Termshttp://www.krollontrack.com/glossaryterms
  2. Merrill Corporation, Electronic Discovery Glossary.
  3. RenewData, Glossary (10/5/2005).
  4. Vinson & Elkins LLP Practice Support, EDD Glossary.
  5. Legal Electronic Document Institute, Basic Principles of Automated Litigation Support (2005).