A government agency is decommissioning laptops that previously contained sensitive information. The security team needs to ensure that no data can be recovered from these devices. The laptops use SSDs that contained classified information. Which method would BEST address data remanence concerns for these devices?
Physical destruction is the BEST method for addressing data remanence concerns with Solid State Drives (SSDs) that contained classified information. Unlike traditional hard drives, SSDs store data in flash memory cells that can retain data fragments even after logical deletion operations.
Overwriting (secure wiping) is less effective on SSDs due to wear-leveling algorithms that redistribute write operations across the drive, potentially leaving some cells with original data untouched. Standard formatting simply removes the file system index without removing the actual data. Degaussing is effective for magnetic media (like traditional hard drives) but does not reliably clear data from SSDs which use electronic storage rather than magnetic storage.
Physical destruction (shredding, disintegration, pulverization, or incineration) ensures that no data can be recovered from the storage media, making it the most appropriate choice for addressing data remanence on devices that contained classified information.
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