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CISM study material · question 838 of 1000

Why does CSF 2.0 require the integrity of backups to be verified before they are used to restore?

  1. So that the backup retention policy can be validated against what was actually kept on the media
  2. So that recovery does not reintroduce the compromise into the restored environment
  3. So that the backup vendor's own warranty on the media itself remains valid after the restore has been done
  4. So that the time the restoration will take can be estimated accurately well ahead of the event
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Answer: B. So that recovery does not reintroduce the compromise into the restored environment

CSF 2.0 subcategory RC.RP-03 requires the integrity of backups and other restoration assets to be verified before using them for restoration, which is what prevents recovery from reintroducing the compromise.

Source: NIST CSWP 29 (NIST) — Appendix A RC.RP-03

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