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CISSP study material · question 150 of 500

A laptop is being reissued to another employee inside the same office, and the data on it was categorised low. Which sanitization method does NIST SP 800-88 describe as sufficient here, and why?

  1. None, because reformatting the file system is outside the standard's scope.
  2. Purge, because any reissue requires resistance to laboratory recovery.
  3. Destroy, because reissue transfers custody of the media.
  4. Clear, because it defeats simple non-invasive recovery through the normal interface and leaves the device usable.
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Answer: D. Clear, because it defeats simple non-invasive recovery through the normal interface and leaves the device usable.

Clear applies logical techniques through the interface available to a user, protecting against simple non-invasive recovery, and typically has no effect on whether the media stays usable.

Source: NIST SP 800-88 Rev. 2 (NIST) — SP 800-88 Rev. 2 > 3.1.1 Clear Sanitization Method

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