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CISSP study material · question 159 of 500

A team plans to degauss a batch of modern high-coercivity hard drives with an older degausser and then resell them. Which two risks does NIST SP 800-88 identify? Choose two.

  1. Degaussing is prohibited for magnetic media under the current revision.
  2. Degaussing may damage servo tracks, leaving the drive unusable but not sanitized.
  3. Degaussing will erase the drive but leave the firmware readable.
  4. The degausser may lack the field strength to sanitize media of that coercivity.
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Answer: B. Degaussing may damage servo tracks, leaving the drive unusable but not sanitized.
D. The degausser may lack the field strength to sanitize media of that coercivity.

Many existing degaussers lack sufficient force for high-coercivity media, and degaussing can render media inoperable, for example by damaging servo tracks, while still failing to sanitize the data.

Source: NIST SP 800-88 Rev. 2 (NIST) — SP 800-88 Rev. 2 > 3.1.2 Purge Sanitization Method

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