A company needs to securely dispose of old magnetic hard drives containing sensitive customer data before recycling the hardware. Which method would be BEST to ensure the data cannot be recovered?
Degaussing the drives to disrupt the magnetic data
Degaussing is the best method for ensuring that data on magnetic drives is irrecoverable because it disrupts the magnetic field and erases the data permanently. Physically destroying the drives may still leave some data recoverable with advanced techniques, and wiping the drives clean can often be circumvented by data recovery experts. Degaussing, however, alters the magnetic domains that represent the data, rendering the drive completely unreadable and its data non-recoverable.
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What is degaussing and how does it work?
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Why is degaussing considered better than other data disposal methods?
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Are there any limitations or considerations when using degaussing?