Data Storage Devices and Data Recovery

Image Courtesy: https://www.nextofwindows.com/whats-inside-a-hard-disk-drive

HDD

Image Courtesy: https://www.explainthatstuff.com/harddrive.html

SSD

Overprovisioning

Wear Leveling

How does data recovery work?

What if I want to delete data permanently?

Is that it? That’s enough?

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