ISC2 Certified in Cybersecurity (CC) Practice Question
An organization is disposing of several malfunctioning solid-state drives (SSDs) that will not be reused. Which data destruction method should it employ to guarantee the information on the drives is permanently unreadable and unrecoverable?
Perform a single-pass overwrite of all available blocks with random data.
Encrypt the drives with full-disk encryption software before disposal.
Expose the drives to a high-powered degaussing magnet.
Shred the drives into small particles using an industrial media shredder.
Because SSDs store data electronically rather than magnetically, exposing them to a degausser's magnetic field does not reliably remove the data. A single-pass overwrite may leave remnant data in spare cells, and encrypting before disposal still requires long-term key protection. Physically destroying the media-such as shredding the drives into small fragments-renders the memory chips themselves unusable, ensuring the data can never be reconstructed. Therefore, physical shredding is the most appropriate choice for permanently eliminating data from SSDs that will not be reused.
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ISC2 Certified in Cybersecurity (CC)
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